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transformer - メーカー・企業42社の製品一覧とランキング

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transformerのメーカー・企業ランキング

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  1. TSURUTA ELECTRIC CO., LTD. Ibaraki//Industrial Electrical Equipment
  2. ジェーピーシー Tokyo//Electronic Components and Semiconductors
  3. null/null
  4. 4 大阪高波 Osaka//Electronic Components and Semiconductors
  5. 5 MEIHO Electronics Co., Ltd. Head office:Nagoya, Japan Tokyo branch:Chiyoda-ku, Tokyo Aichi//Industrial Electrical Equipment
企業ランキングへ

transformerの製品ランキング

更新日： 集計期間:Sep 24, 2025～Oct 21, 2025
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  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. Film polishing device "SP-100 type" 松田精機
  4. 4 Film polishing device "SP-50 type" 松田精機
  5. 5 Scott Transformers (Dry-Type Transformers), Large Capacity TBS Series TSURUTA ELECTRIC CO., LTD.

transformerの製品一覧

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High Voltage Pulse Output Unit "PA Series"

High Voltage Pulse Output Unit "PA Series"

Customization of output voltage is possible according to the target!

The "PA Series" is a high-voltage pulse output unit that integrates a DC power supply, amplifier, and high-voltage transformer. It allows for customization of the output voltage to suit the application, making it effective for generating plasma and ions. If you have any specific requests regarding custom outputs, please feel free to contact us. 【Features】 ■ Ideal for plasma and ion generation ■ Integration of DC power supply, amplifier, and high-voltage transformer ■ Low cost *For more details, please download the PDF or feel free to contact us.

  • Other electronic parts
  • Amplifier
  • Other power sources

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OI Trans

OI Trans

OI Transformers are custom products of Musashino Tsukou, engaged in the design, manufacturing, and sales of various transformers and reactors.

By combining a rectangular-shaped core and a strip-shaped core, we have achieved a slim design with excellent leakage and temperature characteristics. It also has an advantage in installation space compared to the EI type. 【Products Available】 ■ Compact VA Series *For more details, please refer to the PDF document or feel free to contact us.

  • transformer
  • Transformers

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Medical transformer for X-ray generator high-voltage transformer.

Medical transformer for X-ray generator high-voltage transformer.

Our high-voltage transformer for X-ray generators has a proven track record as a special transformer made from original bobbins.

We have a proven track record of delivering various products, including dental equipment and pet X-ray devices, to many users.

  • X-ray inspection equipment

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[Presenting Basic Knowledge Materials!] Collection of Basic Technical Materials on Transformers

[Presenting Basic Knowledge Materials!] Collection of Basic Technical Materials on Transformers

We are offering a technical document summarizing essential basic knowledge for considering transformers (voltage converters) for free!

This document introduces the basic technology of transformers. It explains the types of transformers, types of reactors, classification based on transformer structure, types of insulation for transformers, constituent materials of transformers, main types of transformers and their characteristics, and various inspection methods. For any inquiries regarding transformers, please contact Musashino Tsukou, which has been in business for 60 years. 【Contents (excerpt)】 ■ What is a transformer ■ Types ■ Principles ■ Classification based on transformer structure ■ Types of insulation for transformers *For more details, please refer to the PDF document or feel free to contact us.

  • transformer
  • Transformers

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Principle of transformers

Principle of transformers

Composed of two windings independent of the iron core! Here is an introduction to the principles of transformers!

I will introduce the principles of a transformer. A transformer consists of a core made of iron and two independent windings. The winding connected to the power source is called the primary winding, and the winding connected to the load is called the secondary winding. When an alternating voltage is applied to the primary winding (P), a current flows through it (referred to as the excitation current), which generates a magnetic flux within the core. This change in magnetic flux induces a voltage in the secondary winding (S), and the induced voltages V1 and V2 in the primary and secondary windings are determined by the ratio of the number of turns in the primary winding N1 to the number of turns in the secondary winding N2. When a voltage is applied to the primary winding, a voltage proportional to the number of turns is induced in the secondary winding, and by changing N1 and N2, the ratio of the primary voltage to the secondary voltage can be arbitrarily altered. *For more details, please refer to the PDF document or feel free to contact us.*

  • transformer

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Classification by the structure of transformers

Classification by the structure of transformers

Introducing the structure of "external iron type transformers" and "internal iron type transformers"!

I will introduce the classification of transformers based on their structure. Transformers are constructed using a combination of a core and windings. "External core transformers (including wound core types)" have two or more magnetic circuits surrounding the windings. They have an appearance where the core is located outside the windings. "Internal core transformers" have a single magnetic circuit with windings arranged around it. They have an appearance where the core is located inside the windings. *For more details, please refer to the PDF document or feel free to contact us.

  • transformer

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Insulation type of transformer

Insulation type of transformer

The temperature rise limit is defined by the insulating materials used! An introduction to the types of insulation for transformers.

Transformers are reliable and long-lasting devices, but prolonged use can lead to deterioration of the winding insulation and insulating materials due to temperature effects. They are also significantly affected by the ambient temperature in which they are used. To ensure safe long-term use, temperature rise limits are established based on the insulating materials used, and each type of insulation material has its own specified temperature rise limit. The maximum allowable temperature, under rated conditions, is the temperature rise limit of the insulation type plus the reference ambient temperature (40°C). When installed and used in control panels, it is generally necessary to consider that the internal temperature rise of the panel can be 5 to 10°C. *For more details, please refer to the PDF documentation or feel free to contact us.

  • transformer

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[Information] Main Types of Transformers and Their Characteristics

[Information] Main Types of Transformers and Their Characteristics

Introduction to the main types and features of transformers, such as "cut core transformers" and "OI type transformers"!

This document introduces the main types and features of transformers. It includes standard and low-cost "cut core transformers," as well as "cut core type transformers," "OI type transformers," and "NCW type transformers." Please take a moment to read it. 【Featured Products】 ■ Cut core transformers (EI core, cut core, etc.) ■ Cut core type transformers ■ OI type transformers ■ NCW type transformers *For more details, please refer to the PDF document or feel free to contact us.

  • transformer

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*Technical materials are being presented! Musashino Tsukou "Transformer and Reactor Comprehensive Catalog"*

*Technical materials are being presented! Musashino Tsukou "Transformer and Reactor Comprehensive Catalog"*

One-stop support from design to mass production! Technical information such as key material data and winding techniques (edgewise winding of rectangular wire, litz wire) is also included! Please take a moment to read it.

This catalog is a comprehensive catalog of products handled by Musashino Doko Co., Ltd. It includes a variety of items such as "power transformers," "control transformers for distribution boards," "reactors," and "switching transformers." We provide high-quality transformers backed by reliable technology, from design to mass production, all in a one-stop service. We invite you to read through it. *For those who wish, we will send the comprehensive catalog by mail, so please feel free to download it or contact us! [Contents] <Power Transformers> ■ Board-mounted transformers ■ Transformers for equipment installation ■ NCW transformers ■ OI transformers ■ Cut core transformers *For more details, please refer to the PDF materials or feel free to contact us.

  • Transformers

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[Custom Order Example] Slim OI Transformer Compliant with DIN Standards

[Custom Order Example] Slim OI Transformer Compliant with DIN Standards

Customization requiring delicate processing! Introduction of a case where we manufactured a transformer that fits into the customer's product.

We would like to introduce an example of a slim OI transformer that complies with DIN standards. We received a request from a customer who wanted to adopt a power transformer that fits within a 1 DIN size but was struggling with the height limitations of existing slim transformers. In response, our company further customized the well-regarded OI transformer, known for its slim design under 100W, to create a transformer that fits the customer's product. By utilizing the dead space of the O-shaped iron core to draw out taps, we achieved a slim design and size reduction. 【Custom Product Specifications】 ■ Size and Dimensions: 73mm × 50mm × 35mm ■ Voltage Specifications: Primary Voltage 100–200V / Secondary Voltage 100–200V ■ Capacity: 8–156VA ■ Applicable Standards: JIS-C6436 ■ Insulation Type: Class E ■ Products Used: Measurement equipment, disaster prevention equipment *For more details, please refer to the PDF document or feel free to contact us.

  • transformer

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High-frequency transformer with controlled inductance tolerance for flyback transformer.

High-frequency transformer with controlled inductance tolerance for flyback transformer.

We can provide high-precision prototypes with short delivery times through cross-adjustment by processing! This transformer can accommodate from EPC17 to large cores.

We would like to introduce a case of a flyback transformer with controlled inductance tolerance. In the development of switching power supplies, we received a request to reduce the inductance variation of the flyback transformer and to conduct early practical evaluations of the transformer. Typically, inductance adjustments are made using processed products from ferrite core manufacturers or space materials, but there are challenges regarding delivery times and accuracy. However, our company, which owns grinding processing equipment, has overcome these challenges and was able to provide prototypes in a short time. Additionally, this transformer can accommodate sizes from EPC17 to large cores. 【Custom Product Specifications】 ■ Size and Dimensions: EER9.5 to PQ100 ■ Applicable Standards: UL1446 ■ Insulation Type: Class B ■ Products Used: Industrial equipment, medical devices, measuring instruments *For more details, please refer to the PDF document or feel free to contact us.

  • transformer

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Trans Reactor Custom-Made Service

Trans Reactor Custom-Made Service

We will support the introduction from the specification review and design stage!

We offer custom-made transformers and reactors. We support you from the specification consideration and design stage, and can respond to a wide variety of customer requests, including the application of international safety standards and the reproduction of other companies' off-the-shelf products. Please feel free to contact us with your requests. 【Features】 ■ Custom-made to match usage conditions and product specifications ■ Support from transformer selection and capacity calculation to implementation ■ Comprehensive support from design compliant with international safety standards to standard application ■ Proposals for reproduction and improvement of other companies' off-the-shelf products ■ Flexible response to small lot and prototype projects *For more details, please contact us.

  • transformer

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High Current High Frequency Compatible Custom Transformer for EV Fast Chargers

High Current High Frequency Compatible Custom Transformer for EV Fast Chargers

We can address various challenges such as heat generation and loss measures in high-frequency skin effect, improving magnetic coupling efficiency, and provide one-stop support from design development to mass production!

"Are you having trouble selecting transformers or choke coils in the high-frequency range?" ◆ High heat generation and losses ◆ Low magnetic coupling, large leakage flux, and leakage inductance ◆ Unable to select the configuration of litz wire (stranded wire) ◆ Cannot achieve DC superimposition characteristics "Musashino Electric has various know-how to solve your problems!" ★ Measures against skin effect in the high-frequency range Suppression of current distribution distortion through subdivision of conductors using litz wire ★ Measures to improve magnetic coupling Significant improvement in magnetic coupling through our unique method of "sandwich winding" ★ Proposal for litz wire configuration Based on abundant experimental data, we propose an optimal balance of litz wire (wire diameter, number of twists, number of turns) in terms of efficiency vs. heat generation. ★ Proposal and grinding processing of magnetic materials suitable for the frequency range We propose magnetic materials with suitable high-frequency characteristics such as ferrite, dust, and amorphous materials. Achieve low tolerance inductance values through gap processing with our uniquely developed magnetic material grinding equipment. ◎ We design and develop custom transformers and choke coils suitable for various power conditioners and motor drive inverters that meet high-frequency high current requirements, overcoming various challenges!

  • transformer

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Isolation Transformer "Noise Attention Type"

Isolation Transformer "Noise Attention Type"

An isolation transformer that demonstrates sufficient effectiveness against induced noise from lightning strikes!

The insulated transformer "Noise Attention Type" is a product designed to prevent various types of noise from entering through the power line. It has very low leakage current, making it suitable for medical devices. Additionally, it can be used with both input and output voltages of 100V or 200V. 【Features】 ■ Provides sufficient effectiveness against induced noise from lightning strikes ■ Extremely low electrostatic content between input and output due to triple shielding *For more details, please download the PDF or feel free to contact us.

  • transformer
  • Transformers

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400Hz dedicated small power transformer

400Hz dedicated small power transformer

You can choose the output based on efficiency and temperature rise! If the output VA is similar, the same dimensions are also possible.

We handle "400Hz Dedicated Small Power Supply Transformers." We have prototyped models PK19(7) and PK26. Output can be selected based on efficiency and temperature rise. The withstand voltage is 1.5KV, but the voltage between the secondary cores is set at 1KV. If the input and output voltage values have slight variations and the output VA is approximately the same, we can also accommodate the same dimensions, so please feel free to consult with us. 【Features】 ■ Output can be selected based on efficiency and temperature rise ■ Withstand voltage is 1.5KV, but the voltage between the secondary cores is 1KV ■ Custom products can be accepted based on these criteria *For more details, please refer to the PDF document or feel free to contact us.

  • transformer

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