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transformer Product List and Ranking from 155 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

transformer Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

  1. TSURUTA ELECTRIC CO., LTD. Ibaraki//Industrial Electrical Equipment
  2. ジェーピーシー Tokyo//Electronic Components and Semiconductors
  3. 日幸電機 日幸電機サテライト ★ アキバ( 東京都/秋葉原/神田/岩本町) Tokyo//Industrial Electrical Equipment
  4. 4 MEIHO Electronics Co., Ltd. Head office:Nagoya, Japan Tokyo branch:Chiyoda-ku, Tokyo Aichi//Trading company/Wholesale
  5. 5 null/null
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transformer Product ranking

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

  1. Three-phase transformer for solar power generation 50kVA~ PPSC slave device TSURUTA ELECTRIC CO., LTD.
  2. UL・CE compliant compact lightweight energy-saving transformer MEIHO Electronics Co., Ltd. Head office:Nagoya, Japan Tokyo branch:Chiyoda-ku, Tokyo
  3. Three-Phase Double-Winding Isolation Transformers Large Capacity TH Series/Japanese Domestic Standard TSURUTA ELECTRIC CO., LTD.
  4. 4 Dedicated battery system Scott transformer/SCOTT system TSURUTA ELECTRIC CO., LTD.
  5. 5 Akita Trans Manufacturing Co., Ltd. Company Profile 秋田トランス製作所 有限会社秋田トランス製作所

transformer Product List

121～150 item / All 859 items

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Toroidal Winding Machine 'WH-900'

Toroidal Winding Machine 'WH-900'

Equipped with a 300W brushless DC motor! The power supply is AC220V 50Hz/60Hz.

The "WH-900" is a toroidal winding machine that has been modified based on user thinking that machine manufacturers may overlook, enabling the resolution of excess or insufficient turns in toroidal windings. There are four head types available: B4 belt type, B6 belt type, S4 slider type, and S6 slider type. The maximum rotation speed is 1500 RPM. Additionally, the program storage capacity is 999 steps. For more details, please contact us. 【Head Types】 ■ B4 Belt Type ■ B6 Belt Type ■ S4 Slider Type ■ S6 Slider Type *For more information, please refer to the PDF document or feel free to contact us.

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Vehicle-mounted pulse transformer "VEPS1313A"

Vehicle-mounted pulse transformer "VEPS1313A"

Leakage inductance decreased by 10% compared to our company standard.

Vehicle-mounted pulse transformer "VEPS1313A" (W14.3mm×D17.8mm×H12.8mm) This product is an arrangement of our existing product "VEP1313A" with a GAP of "0," resulting in a 10% reduction in leakage inductance compared to the conventional product. As a result, it becomes easier to insulate parts that are susceptible to external noise, contributing to the overall improvement of the circuit's power efficiency.

  • Inductor Coil
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Ultra-high voltage resistant vehicle-mounted transformer 'VEP1313V'

Ultra-high voltage resistant vehicle-mounted transformer 'VEP1313V'

4000V ultra-high voltage thin transformer

High Voltage Resistant Vehicle-mounted Transformer "VEP1313V" (W14.3mm×D14.1mm×H14.5mm) Supports withstand voltage of AC4000V. By changing the material of the components, we have achieved miniaturization of the entire product while ensuring sufficient creepage distance for withstand voltage. We will respond to the winding specifications according to each customer's requirements, enabling flexible adaptation to the increasing high voltage demands in the current EV market.

  • Inductor Coil
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Ultra High Voltage Resistance On-Board DC/DC Converter Transformer 'VER9060V'

Ultra High Voltage Resistance On-Board DC/DC Converter Transformer 'VER9060V'

Improving insulation performance in light of the high voltage of EV systems.

We are pleased to announce the development of the automotive DC/DC converter transformer "VER9060V" (W14.9mm × D10.0mm × H6.2mm), with sample availability starting in February 2025. This product enhances insulation performance in our automotive transformer "VER series," taking into account the recent trend towards higher voltages in xEV systems. The "VER9060V" improves voltage resistance by using FIW wire (fully insulated wire) for both the primary and secondary windings. By adopting a material with a CTI LV.1 rating for the base, we have minimized the required creepage distance (in accordance with IEC 60664). The VER series features a product structure that allows the core to be housed in the dead space of the base, achieving a low profile and compact design while maintaining ultra-high voltage resistance. As a result, this product is suitable for inverters for xEVs and flyback transformers for battery junction boxes. We will continue to expand our lineup to meet further market needs and provide a wide range of solutions.

  • Inductor Coil
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Flat base noise zero transformer

Flat base noise zero transformer

Flat base noise zero transformer

Union Electric is a manufacturer of custom transformers and coils with a rapid delivery time of 5 days. We leverage advanced technologies such as honeycomb coils, rectangular edgewise coil transformers, Union's original complete shielding method, and epoxy resin vacuum molding technology to meet our customers' challenging requests. We use only safe materials and minimize waste, achieving compact, lightweight, high-efficiency, and high-performance products. Of course, we also comply with RoHS standards. Our noise-free transformer series is environmentally friendly, not only in terms of materials but also by reducing CO2 emissions and electricity costs.

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  • Converters and Transducers
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Air caster for moving transformers and voltage converters!

Air caster for moving transformers and voltage converters!

★A must-see for transformer manufacturers★ Existing replacement support★

This is a video of a transport cart for a transformer (weight: 160 tons). It allows for the safe movement of heavy objects using a wireless remote control. The air casters lift the heavy object using an air cushion, enabling movement and turning with minimal force. There are three main types of air casters, each with a different structure. Various air cushions are selected based on the intended use and allowable load, but a minimum of four air cushions is required to balance the load. For more details, please contact us.

  • Trolley
  • Other conveying machines
  • Other machine tools
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Ethernet pulse transformer integrated RJ45, standalone pulse transformer.

Ethernet pulse transformer integrated RJ45, standalone pulse transformer.

Short delivery time, low cost! LINK-PP, the manufacturer of integrated RJ45 pulse transformers with Ethernet pulse transformers! Replacement from existing products is also possible.

Link Pee Pee Co., Ltd. manufactures and sells 10/100/1000BASE pulse transformers and integrated RJ45 pulse transformers. With excellent facilities and skilled technicians, the typical delivery time is about 3 to 4 weeks, and the manufacturer can also accommodate urgent orders. 【Features】 ◆ An outstanding manufacturer with sales in over 40 countries, producing 3 million units per month. ◆ 1) Cost-effective (10-20% cheaper compared to competitors) 2) Short delivery time (average 4 weeks, 1 week for stock items) 3) High-quality products that meet all three criteria. ◆ Both latch-up and latch-down product lines are available. ◆ Samples are available. *Please refer to the catalog for details. For inquiries regarding the manufacturer substitution table, please contact us.

  • Other Connectors
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Pulse Trans

Pulse Trans

The standard pulse transformer ideal for embedded devices.

This is a pulse transformer ideal for embedded devices with various variations. Based on our extensive track record, we will propose products that are optimal for various ICs.

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EMC Testing Services

EMC Testing Services

Our experienced engineers respond to regulations in various countries and testing for a wide range of product categories.

At Tüv Süd Japan Co., Ltd., experienced engineers respond to testing for regulations in various countries and a wide range of product categories. We can conduct measurements based on VCCI, as well as FCC measurements and CE marking. We have extensive experience in EMC noise countermeasures in the industry, having handled noise countermeasures for over 500 products, and we can provide effective technical support for noise countermeasure technologies. [Test Items] ■ Radiated Emissions ■ Conducted Emissions ■ Electrostatic Discharge (ESD) ■ Conducted Immunity ■ Burst, etc. *For more details, please download the PDF or feel free to contact us.

  • EMC Testing
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Custom transformer sales, development, and manufacturing *Evaluation samples without impregnation can be created.

Custom transformer sales, development, and manufacturing *Evaluation samples without impregnation can be created.

We accommodate diverse transformers and accept requests for small lots! For custom transformers, contact Dual Electronics Industry.

At Dual Electronics Industry, we develop and produce custom transformers made to order. Currently, we can create evaluation samples that are not yet impregnated. If you would like a sample, please indicate "Sample Request" when you contact us. "If there are no existing products that meet the specifications." "There is no place that can make it because it's a small lot." "I am looking for high-quality audio transformers." "My supplier has gone out of business." If you are one of these customers, please consult with Dual Electronics Industry. In collaboration with our partner transformer factories, we will provide transformers that meet your desired specifications while aligning with the necessary requirements. 【Features】 ■ We utilize both domestic and overseas production to accommodate quality-first and cost-first requests. ■ We can handle various customer requests, from a single evaluation sample to large-scale production of over 1,000 units. ■ We can create evaluation samples that are not yet impregnated. ■ We manufacture with the technology, experience, and passion for transformers that we have cultivated over 30 years of transformer production. For more details, please refer to the PDF materials or feel free to contact us. Filling out the specification confirmation sheet before consulting will allow for smoother discussions.

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  • Converters and Transducers
  • Transformers
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Power supply transformer

Power supply transformer

We can provide a wide range of proposals tailored to your needs.

Product Lineup Power Transformer Transformer for Switching Power Supply

  • Semiconductor inspection/test equipment
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  • power supply
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Non-contact entrance system (Pasta Touch LE)

Non-contact entrance system (Pasta Touch LE)

Non-contact entrance system (Pasta Touch LE)

Make entrance access more flexible! This is a cost-effective, contactless entrance system that benefits both users and administrators! In newly constructed large apartment buildings, the introduction of contactless entrance systems has become more common. However, for medium and small apartments, or for existing properties, the cost burden of the system has been an issue. The "Contactless Key System PasstouchLE" allows for the installation of a small contactless unit while utilizing the existing entry and exit panels from major intercom manufacturers. This significantly reduces costs compared to traditional systems. Additionally, the four types of available sensor components accommodate various carrying methods.

  • IC tag
  • Other security
  • Other office supplies
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Trans lineup

Trans lineup

Isolated power supply, FET drive, current detection, LAN, POE standards, etc.

Germany's "Würth Elektronik" passive components boast high precision, high efficiency, and high reliability, holding the top market share in Europe! ◎ A rich lineup of standard products ◎ Adopted in reference designs by over 50 major semiconductor vendors ◎ No discontinuation in principle ◎ Capable of handling a wide range of orders from small quantities for prototypes to large-scale mass production ◎ Japanese support provided by our engineers, who are primary agents

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Hermetic Photocoupler "ACPL-5700L"

Hermetic Photocoupler "ACPL-5700L"

Suitable for applications with low input current! It can operate and be stored in the entire military temperature range.

The ACPL-5700L is a commercial-grade, single-channel, 3.3V hermetic photocoupler using an 8-pin DIP ceramic package. Each device consists of a high-gain photodetector IC optically coupled to a GaAsP LED. The high-gain output stage is an open-collector photodarlington that achieves both low saturation voltage and high-speed signal transmission. 【Features】 ■ Commercial grade, single-channel, 8-pin DIP ■ Operating temperature range: -55°C to 125°C ■ Low power consumption ■ 3.3V supply voltage ■ Available in MIL-PRF-38534 Class H and Class K *You can download the English version of the catalog. *For more details, please refer to the PDF materials or feel free to contact us.

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IGBT gate drive phot coupler 'ACPL-302J-000E'

IGBT gate drive phot coupler 'ACPL-302J-000E'

Full-featured phot coupler! Available in a compact surface-mount SO-16 package.

The ACPL-302J-000E is an IGBT gate driver optocoupler with a built-in isolated flyback DC-DC converter controller, providing a 2.5A output. With its high-speed transmission delay performance, it achieves excellent timing control and efficiency. It is ideal for driving IGBTs and power MOSFETs in applications such as industrial inverters, motor drives, power equipment, and renewable energy generation. 【Features】 ■ Stabilized output voltage: 20V ■ Wide input voltage range: 8–18V ■ Maximum peak output current: ±2.5A ■ Rail-to-rail output voltage ■ Mirror clamp sink current: 1.7A * You can download the English version of the catalog. * For more details, please refer to the PDF document or feel free to contact us.

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High-speed CMOS phototransistor "ACSL-7210-00RE"

High-speed CMOS phototransistor "ACSL-7210-00RE"

Achieves high insulation withstand voltage! Guarantees AC and DC performance over a wide temperature range!

The ACSL-7210-00RE is a high-speed CMOS optocoupler optimized for bidirectional industrial communication networks using high-speed protocols such as PROFIBUS fieldbus and Serial Peripheral Interface (SPI). Utilizing Avago Technology's proprietary CMOS IC and patented packaging technology, it achieves a high isolation voltage of 3750V RMS in a narrow SOIC-8 package with a thickness of less than 2mm. It meets the needs for digital signal isolation design in high-speed industrial communication networks, enabling a transmission delay of 40ns and a maximum pulse width distortion of 10ns. 【Features】 ■ Dual channel (bidirectional) ■ 3.3V and 5V CMOS compatible ■ CMOS input/output ■ High speed: DC to 25MBd ■ Maximum transmission delay 40ns * You can download the English version of the catalog. * For more details, please refer to the PDF materials or feel free to contact us.

  • Coupler
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Drive photo coupler "ACNV3130-000E"

Drive photo coupler "ACNV3130-000E"

Obtained international safety standard certification! 2.5A IGBT gate drive optocoupler.

The 『ACNV3130-000E』 is a phototransistor optocoupler for driving IGBTs, consisting of an LED utilizing AlGaAs technology and an integrated circuit that optically couples to it. It features an output stage capable of achieving a maximum peak output current of 2.5A, allowing it to drive IGBTs with a maximum rating of 1700V/100A. It achieves an isolation voltage V ISO of 7.5kV RMS and a working isolation withstand voltage V IORM of 2262V PEAK, which are necessary for certification under UL standards and IEC 60747-5-5 standards. 【Features】 ■ Maximum peak output current of 2.5A ■ Propagation delay of up to 500ns ■ Maximum error in propagation delay of 350ns ■ Excellent CMR (Common Mode Rejection) performance: 40kV/μs at common mode voltage V CM = 1500V ■ Supply current I CC is a maximum of 5.0mA *You can download the English version of the catalog. *For more details, please refer to the PDF document or feel free to contact us.

  • Coupler
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High-speed CMOS photocoupler 'ACPL-077L'

High-speed CMOS photocoupler 'ACPL-077L'

Equipped with excellent CMTI! Guarantees a value of 35kV/μs for a common-mode voltage VCM of 1000V.

The 『ACPL-077L』 is a photocoupler that employs CMOS IC technology and complies with the system-level standards IEC 61000-4-X (ESD/Burst/Surge). It achieves ultra-high-speed communication with a minimum data transmission rate of 25MBd and a maximum pulse width distortion of 6ns, along with low power consumption and reliability. The detector IC integrates a photodiode, a high-speed transimpedance amplifier, and a voltage comparator with an output driver. 【Features】 ■ 3.3V and 5V CMOS compatible ■ CMOS buffer input ■ Level shift function ■ High speed: DC to 25 MBd ■ Minimum common mode rejection ratio (CMR): 35kV/μs @ VCM=1000V *For more details, please refer to the PDF document or feel free to contact us.

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Photocoupler "ACPL-061L/C61L, ACNW261L"

Photocoupler "ACPL-061L/C61L, ACNW261L"

Single-channel product adopting a wide-body (400mil) DIP-8 package.

The "ACPL-061L/C61L, ACNW261L" is a super low power photocoupler composed of AlGaAs LED and detector IC. This photocoupler has an extremely low power consumption, with an IC supply current of up to 1.5mA per channel across the entire temperature range. The forward current is only 1.6mA to 4mA, allowing it to be directly driven by most microcontrollers. 【Features】 ■ Ultra low supply current IDD: Maximum 1.5mA ■ With slew rate control function ■ Tri-state output via enable pin VE ■ Glitch-free during power-up and power-down ■ High speed: 10MBd (minimum) *For more details, please refer to the PDF materials or feel free to contact us.

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Gate drive photocoupler "ACPL-K34T-000E"

Gate drive photocoupler "ACPL-K34T-000E"

Short transmission delay and small timing skew! A design suitable for driving MOSFETs.

The "ACPL-K34T-000E" is an automotive R²Coupler MOSFET gate drive photocoupler with a peak output of 2.5A. It features short transmission delay and small timing skew, making it suitable for driving power MOSFETs used in AC-DC and DC-DC converters. With a wide operating voltage range for the output stage, it can accommodate various gate control devices. 【Features】 ■ AEC-Q100 Grade 1 test guideline certified ■ Operating temperature range: -40°C to +125°C ■ Maximum peak output current: 2.5A ■ Transmission delay: 110ns (maximum) ■ Dead time range: -40ns to +50ns * An English version of the catalog is available for download. * For more details, please refer to the PDF materials or feel free to contact us.

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Photocoupler "HCNR201"

Photocoupler "HCNR201"

We provide outstanding solutions for numerous analog separation applications.

The "HCNR201" is a high-linearity analog photocoupler. It consists of a photodiode with two combined characteristics and a high-performance AlGaAs LED used as the light source. It achieves excellent linear characteristics and stable gain. Additionally, it offers great flexibility, allowing it to operate in various modes such as unipolar/bipolar, AC/DC, and inverting/non-inverting formats, depending on the design of the application circuit. 【Features】 ■ Low nonlinearity: 0.01% ■ K3 (IPD2/IPD1) transfer gain: /-5% ■ Transfer gain temperature coefficient: -65ppm/°C ■ Wide bandwidth: DC to 1MHz ■ Flexible circuit design * You can download the English version of the catalog. * For more details, please refer to the PDF materials or feel free to contact us.

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Photocoupler "ACPL-P340/ACPL-W340"

Photocoupler "ACPL-P340/ACPL-W340"

Voltage insulation and robust protection! It is possible to supply the necessary drive voltage for devices controlled by gates.

The "ACPL-P340/ACPL-W340" is a photcoupler for gate driving. It is composed of an AlGaAs LED optically combined with a power output stage. It provides high voltage isolation and robust protection for industrial motor drives, inverters, and power applications. This device is ideal for directly driving IGBTs with gate drives rated up to 1200V/50A. 【Features】 ■ Peak output current: 1.0A (Max.) ■ Peak output current: 0.8A (Min.) ■ Rail-to-rail output voltage ■ Propagation delay: 200ns (Max.) ■ Propagation delay difference: 100ns (Max.) *You can download the English version of the catalog. *For more details, please refer to the PDF materials or feel free to contact us.

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Optocoupler and Optical Isolator - Hermetic

Optocoupler and Optical Isolator - Hermetic

Introducing hermetic phototransistors for harsh environments required for military and aerospace applications!

Broadcom (Avago Technologies Inc.) has been supplying high-reliability hermetic phototransistor products for military applications since 1975. This hermetic military-grade phototransistor can operate in a military temperature range of -55°C to +125°C. All products are manufactured and tested on a MIL-PRF-38534 certified line and are listed as hybrid microcircuits in the DLA (Defense Logistics Agency) certified parts database supplemental information sheet QPD-SIS-38534. 【Product Lineup (Excerpt)】 ■ AC/DC Logic Interface ■ Digital Phototransistor ■ High-Speed Logic Gates ■ Phototransistor for Isolated Gate Drives ■ IPM Interface *For more details, please refer to the related link page or feel free to contact us.

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Switching transformer

Switching transformer

There is a special winding method that can be adapted according to specifications! We design and manufacture transformers suitable for various circuit configurations.

The "switching transformer" has a special winding method and is tailored to specifications. The usage circuits include flyback, forward, push-pull, and full-bridge methods. Our company designs and manufactures transformers suitable for various circuit methods. 【Features】 ■ Special winding method tailored to specifications ■ Usage circuits - Flyback method, forward method, push-pull method, full-bridge method ■ Transformers designed and manufactured to suit various circuit methods *For more details, please refer to the PDF document or feel free to contact us.

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Equipment Boost Transformer "Equipment Boost Power Supply Transformer"

Equipment Boost Transformer "Equipment Boost Power Supply Transformer"

Convenient with casters for easy movement! It can be used domestically without modifying the voltage specifications.

The "Equipment Boosting Power Supply Transformer" is a boosting transformer designed for using export-spec machine tools and similar equipment with domestic power sources. It comes with convenient casters for easy mobility. You can use it domestically without modifying the voltage specifications of export machine tools. Additionally, if insulation is not required, it can be configured as an autotransformer, allowing for a more compact and lightweight design. The bottom part has no openings such as vents to prevent dust intrusion. 【Features】 ■ Can be used domestically without modifying the voltage specifications of export machine tools ■ Convenient casters for easy mobility ■ Can be configured as an autotransformer for compactness and lightweight design if insulation is not required ■ The bottom part has no openings such as vents to prevent dust intrusion ■ Primary and secondary voltage, capacity, and other specifications can be customized according to customer requirements *For more details, please refer to the PDF document or feel free to contact us.

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Large current transformer

Large current transformer

Customizable for various uses! You can also combine three single-phase units to use them as a three-phase system.

The "High Current Transformer" is a transformer capable of generating high currents. It can be customized for various applications. It can also be used for instant testing (instantaneous disconnection testing). By combining it with our voltage regulator on the input side, you can build a system that allows for a wide range of current variability. 【Features】 ■ Capable of generating high currents ■ Customizable for various applications ■ By combining it with our voltage regulator on the input side, you can build a system that allows for a wide range of current variability ■ It is also possible to use three single-phase units together for three-phase applications *For more details, please refer to the PDF document or feel free to contact us.

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Special connection transformer

Special connection transformer

There are "inverse V connection," as well as "Scott connection," "V connection," and "staggered connection."

In three-phase transformers, there are various connection methods, among which we introduce the special connection known as "special connection transformer." Starting with the "reverse V connection," which allows for a single-phase output circuit from three-phase input, there are also "Scott connection," "V connection," and "zigzag connection," which enable two single-phase output circuits. 【Features】 ■ Reverse V connection: Allows for a single-phase output circuit from three-phase input. ■ Scott connection: Allows for two single-phase output circuits from three-phase input. ■ V connection: A connection method used when obtaining three-phase from two single-phase transformers. ■ Zigzag connection: Mainly used for grounding transformers, allowing for arbitrary phase changes based on the number of winding divisions. *For more details, please refer to the PDF materials or feel free to contact us.

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Lightning-resistant transformer

Lightning-resistant transformer

Introducing a transformer that protects equipment from lightning surges entering through the power line!

The "Lightning Surge Transformer" protects equipment from lightning surges that enter through the power line by being installed in the power line. It possesses high impulse withstand characteristics due to its molded coil. Additionally, the surge transfer rate of this transformer is 1/100 when a 10kV voltage is applied. It can be used to protect indoor mobile phone base station power supplies, as well as to prevent equipment damage and operational failure due to lightning surge intrusion in communication equipment, electronic display devices, security systems, and more. 【Features】 ■ High impulse withstand characteristics due to molded coil ■ Surge transfer rate of 1/100 when a 10kV voltage is applied ■ Protection of indoor mobile phone base station power supplies ■ Prevention of equipment damage and operational failure due to lightning surge intrusion in communication equipment, electronic display devices, security systems, etc. *For more details, please refer to the PDF document or feel free to contact us.

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Communication/Broadcast Lightning Surge Cut Transformer

Communication/Broadcast Lightning Surge Cut Transformer

By using it, it is possible to prevent damage from the power supply unit or to mitigate the damage.

The "Surge Cut Transformer for Communication/Broadcasting" is used to prevent or mitigate damage to electronic devices caused by abnormal voltage that enters through the power line. By using this device, it is possible to prevent or reduce damage from the power supply. The surge transfer rate of this transformer is below -40dB (1/100) in common mode. It can be manufactured according to specifications for single-phase, three-phase, and voltage. 【Features】 ■ Prevents or mitigates damage from the power supply ■ Can be manufactured according to specifications for single-phase, three-phase, and voltage ■ The surge transfer rate of this transformer is below -40dB (1/100) in common mode *For more details, please refer to the PDF document or feel free to contact us.

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Regarding the connection method of three-phase transformers.

Regarding the connection method of three-phase transformers.

Introduction to the four basic types, starting with the "Y-Δ (Y-Delta) method"!

There are various connection methods for three-phase transformers, but I will introduce the four basic types among them. Starting with the "Y-Δ (Wye-Delta) method," which is mainly used as a step-down transformer, there are also the "Δ-Δ (Delta-Delta) method" and the "Δ-Y (Delta-Wye) method," as well as the "Y-Y (Wye-Wye) method," which are primarily used in circuits requiring high current. 【Lineup】 ■ Y-Δ (Wye-Delta) method ■ Δ-Δ (Delta-Delta) method ■ Δ-Y (Delta-Wye) method ■ Y-Y (Wye-Wye) method *For more details, please refer to the PDF document or feel free to contact us.

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