We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Power Supply.
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Power Supply Product List and Ranking from 436 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 31, 2025～Jan 27, 2026
This ranking is based on the number of page views on our site.

Power Supply Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 31, 2025～Jan 27, 2026
This ranking is based on the number of page views on our site.

  1. null/null
  2. Daitron Co., Ltd. Tokyo//Trading company/Wholesale
  3. トキトレーディング 本社 Hyogo//Industrial Electrical Equipment
  4. 4 ジェーピージェネレーターズ Tokyo//Industrial Electrical Equipment
  5. 5 イサハヤ電子 Osaka//Electronic Components and Semiconductors
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Power Supply Product ranking

Last Updated： Aggregation Period:Dec 31, 2025～Jan 27, 2026
This ranking is based on the number of page views on our site.

  1. DC power supply
  2. Bipolar power supply and MF power supply
  3. Ultra-Low Noise Switching Power Supply 'LFS50A/LFS150A' Daitron Co., Ltd.
  4. 4 50W Ultra-Low Noise Switching Power Supply 'RFS50A' Daitron Co., Ltd.
  5. 5 Microwave power supply

Power Supply Product List

1576～1590 item / All 2157 items

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Thyristor-type AC constant voltage power supply "SPRV/SPWV Series"

Thyristor-type AC constant voltage power supply "SPRV/SPWV Series"

Does not select input frequency! A highly efficient AC constant voltage power supply that has brilliantly achieved miniaturization and lightweight design.

The "SPRV/SPWV series" is an AC constant voltage power supply that adopts a voltage control method using thyristors. It is a highly efficient power supply that has successfully achieved compactness and lightweight design. With a combination of control circuit methods that our company excels in, its reliability and stability are unmatched. It can be used at either 50Hz or 60Hz without switching for capacities ranging from 0.5KVA to 15KVA. Additionally, we also offer a high-precision type "SPRX·SPWX." 【Features】 ■ Compact and lightweight ■ No frequency setting required ■ Voltage values can be freely set *For more details, please refer to the PDF materials or feel free to contact us.

  • Power Supplies
  • power supply
  • Power Supply

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Power Amplifier Type AC Stabilized Power Supply 'APS Series'

Power Amplifier Type AC Stabilized Power Supply 'APS Series'

Peak current supply available! AC stabilized power supply with overcurrent protection function using a power amplifier system.

The "APS Series" is an AC stabilized power supply that employs a power amplifier method. It allows for continuous variable adjustment of the AC output voltage. Additionally, frequency switching and conversion are also possible. We offer a lineup including the "APS-300" with an output capacity of 300VA and an input capacity of 800VA, as well as the "APS-500" and "APS-1000." 【Features】 ■ Continuous variable output voltage ■ Variable frequency ■ Overcurrent protection function included ■ Capable of supplying peak current *For more details, please refer to the PDF materials or feel free to contact us.

  • Power Supplies
  • power supply
  • Power Supply

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Fixed Output DC Power Supply for Equipment Embedding 'High Grade Series'

Fixed Output DC Power Supply for Equipment Embedding 'High Grade Series'

Boasting exceptional reliability! Introducing a DC power supply using the traditional series (dropper) control method.

The "High-Grade Series" is a power supply that provides a stable DC voltage by inputting an AC power source of 100V, etc. It uses series control with transistors. The overcurrent protection circuit adopts a constant current drop method, so it is compatible with various types of loads. The output voltage can be freely set within ±1V. Additionally, all models can operate in series or parallel. 【Features】 ■ Series control ■ Capable of series and parallel operation ■ Input voltage adjustment and output voltage adjustment (some models may not allow adjustment) ■ Rack mountable (can be installed in a standard rack by attaching to a rack frame) ■ High precision and high reliability embedded power supply boasting outstanding reliability *For more details, please refer to the PDF document or feel free to contact us.

  • Power Supplies
  • power supply
  • Power Supply

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Embedded DC Stabilized Power Supply "PAREC II"

Embedded DC Stabilized Power Supply "PAREC II"

Introducing a power supply that has successfully improved quality, performance, and reliability by drastically reducing solid wiring through innovative mechanical design!

"Parlec II" is a power supply that has reduced its volume to 1/2 and weight to 2/3 compared to conventional products due to the introduction of a new circuit. The conventional control method for power supplies is the series (dropper) method. In this series, it is relatively easy to obtain high voltage by connecting multiple power supply units in series. [Features] ■ Input voltage can be changed ■ Output voltage can be changed ■ Compact and lightweight ■ Can operate in series or parallel ■ Series control *For more details, please refer to the PDF materials or feel free to contact us.

  • Power Supplies
  • power supply
  • Power Supply

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SLGX Series DC Constant Voltage/Constant Current Power Supply

SLGX Series DC Constant Voltage/Constant Current Power Supply

The intuitive operation with the touch panel reduces misconfigurations and misoperations! The differences between constant voltage and constant current operating modes are easily recognizable at a glance.

The "SLGX Series" is a device equipped with a digital touch panel that makes fine adjustments easy and reduces the risk of operational errors. It is compact and lightweight with a wide variety of options, inheriting the reliable specifications of the "SLG Series," including overvoltage and overcurrent protection features. You can review operational history and changes in settings up to four instances back, and the differences between constant voltage and constant current operating modes are immediately clear. 【Features】 ■ The differences between constant voltage and constant current operating modes are immediately clear. ■ Graphical display intuitively shows the margin against rated power. ■ Operational history allows you to review changes in operation and settings up to four instances back. ■ ALARM clearly indicates the cause. ■ Energy-saving design with the screen dimming after 30 minutes of inactivity. *For more details, please refer to the PDF document or feel free to contact us.

  • power supply
  • Power Supply

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Switching power supply *You can also check the history of settings up to four times back!

Switching power supply *You can also check the history of settings up to four times back!

Intuitive operation and settings can be done via the touch panel! The switching power supply allows you to check the settings history up to four steps back.

The variable-type switching power supply "SLGX Series" is equipped with a digital touch panel that makes fine adjustments easy and reduces the risk of misoperation. It is compact and lightweight with a wide range of variations, and features such as overvoltage protection and overcurrent protection, inheriting the reliability of the "SLG Series" with reassuring specifications. 【Features】 ■ You can trace back up to four points in the operation history to check changes in operation and settings. ■ The differences between constant voltage and constant current operating modes are immediately clear. ■ A graphical display intuitively shows the margin against the rated power. ■ Energy-saving design with the screen dimming after 30 minutes of inactivity. ■ Output voltage and output current can be remotely controlled via input signals! *For more details, please refer to the PDF document or feel free to contact us.

  • power supply
  • Power Supply

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Technical Information: About DC/AC Inverter Devices

Technical Information: About DC/AC Inverter Devices

We will provide a detailed explanation of the operating methods, inspections, calibrations, and repairs!

This document introduces DC/AC inverter devices. It provides a detailed explanation of the rear panel description, operation methods, connection methods, and precautions using diagrams and tables. It is a useful reference, so please take a moment to read it. 【Contents (excerpt)】 ■ Front panel description and operation methods ■ Rear panel description and operation methods ■ Connection methods ■ Operating methods ■ Stopping methods *For more details, please download the PDF or feel free to contact us.

  • inverter
  • Power Supply

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AC power backup for disaster evacuation shelters using inverter-type independent power sources.

AC power backup for disaster evacuation shelters using inverter-type independent power sources.

In evacuation shelters during disasters, AC power is necessary, and backup from an independent power source is desirable!

This document introduces AC power backup for disaster evacuation shelters and similar facilities using inverter-type independent power sources. It includes information on AC power backup operations using SC inverters and examples of AC power backup configurations with the SC2000 inverter. During disasters, evacuation shelters (such as community centers) require a minimum AC power supply for lighting, smartphone charging, and disaster prevention equipment, even when commercial power is out, making independent power backup desirable. For more details, please download and take a look. [Contents (partial)] ■ Power backup for disaster evacuation shelters - The necessity of power backup for disaster evacuation shelters - Requirements for AC power backup systems using inverters ■ AC power backup operations using SC inverters *For more information, please refer to the PDF document or feel free to contact us.

  • inverter
  • Power Supply

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AC power supply for a moving office with a built-in charger inverter.

AC power supply for a moving office with a built-in charger inverter.

The expanding use of automobiles! It is suitable for a work style that utilizes mobile offices!

This document introduces the AC power supply for moving offices using an inverter with a built-in charger. It includes examples of AC power supply systems using inverters with built-in chargers, configurations of AC power supply systems using SC inverters, and examples of deep cycle battery configurations. Please feel free to download and take a look. [Contents (partial)] ■ AC power supply for moving offices - About moving offices - Adoption of inverter systems with built-in chargers ■ AC power supply system using an inverter with a built-in charger ■ Configuration examples of AC power supply systems using SC inverters (1) ■ Configuration examples of AC power supply systems using SC inverters (2) *For more details, please refer to the PDF document or feel free to contact us.

  • inverter
  • Charger
  • power supply
  • Power Supply

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UNOWT3075

UNOWT3075

Switching power supply

This is a standard switching power supply of 75W that is compatible with installation. It is designed to match the installation size of market products, making it an ideal model for replacement from your existing power supply, and it allows for voltage adjustment.

  • Switching Power Supply
  • Power Supply

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L, M type transformer

L, M type transformer

Excellent vibration resistance with a horizontally oriented sturdy structure! The lineup also includes "41M and 61M models" with terminal boards installed.

We would like to introduce the "L and M type transformers" that we handle. The "43L and 63L types" feature a horizontally oriented robust structure that excels in vibration resistance. The "41M and 61M types" are horizontally oriented robust structures with terminal boards attached to the 43L and 63L types, providing excellent terminal strength and vibration resistance. Additionally, when using rod terminals, the model names change to 42M and 62M, respectively. 【Features】 ■ Horizontally oriented robust structure ■ Excellent vibration resistance ■ Terminal boards attached to 43L and 63L types (41M and 61M types) ■ When using rod terminals: model names change to 42M and 62M (41M and 61M types) *For more details, please refer to the PDF materials or feel free to contact us.

  • transformer
  • Transformers
  • Power Supply

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Band-type transformer

Band-type transformer

Measuring instruments, widely known for consumer devices, such as the "54, 55, 53, 63BN models" are included in the lineup!

We would like to introduce our "band-shaped transformers." Starting with the widely known "54, 55, 53, and 63BN types" for measuring instruments and consumer devices, we also offer the "53VN and 63VN types" with excellent vibration resistance, as well as the "44PF and 44PS types" designed for printed circuit board mounting. Please feel free to contact us when you need assistance. 【Features of 54, 55, 53, and 63BN types】 ■ For measuring instruments and consumer devices ■ 54, 55, and 53 types: Low-cost type with insulated varnish treatment ■ 63BN type: Coated with epoxy resin ■ Excellent moisture resistance ■ High reliability *For more details, please refer to the PDF document or feel free to contact us.

  • transformer
  • Transformers
  • Power Supply

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"Custom Power Supply Manufacturing Service" *Free case study collection available!

"Custom Power Supply Manufacturing Service" *Free case study collection available!

We accept the production of custom power supplies with input and output voltages not available in standard products! Celebrating our 80th anniversary as experts in small-lot production of various types.

Do you have any of these troubles? - The product has become unavailable due to the discontinuation of a commercially available general-purpose power supply... If so, please feel free to contact us. Daido Electric Industry is a manufacturer of switching power supplies and transformers (trans) that handles everything from design to parts procurement, manufacturing, and inspection in a consistent manner. We manufacture custom power supplies tailored to input and output voltages not available in commercial catalog products and to fit specific space requirements. 【Features】 ■ A consistent system covering design, material procurement, manufacturing, quality assurance, packaging, and shipping ■ Capable of handling small quantities and a variety of requests ■ Input and output power supplies tailored to your needs ■ Reliable domestic production Please feel free to contact us when you need assistance. *We also accept inquiries regarding EMC-compliant products. Please contact us. *For a product catalog of transformers and documents summarizing the circuit configurations of switching power supplies, please download the PDF to view.

  • Switching Power Supply
  • Power Supply

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"Design and Manufacturing of Custom Power Supplies" *Free case study collection available!

"Design and Manufacturing of Custom Power Supplies" *Free case study collection available!

Custom power supplies designed and manufactured for your desired input and output voltage! We also accommodate the production of replacement power supplies for discontinued products and small-batch production of various types.

Our company leverages years of accumulated experience as a custom power supply manufacturer to provide power supplies that meet your needs. ● The power supply you were using has been discontinued, and you are looking for a replacement. ● Due to a shortage of materials, it takes time to obtain a power supply. ● You want a power supply that fits the installation space. We accept consultations on various issues like these. We can provide consultation from the development stage and propose solutions. We are also capable of addressing requests that have been increasing recently, such as "achieving stable operation in harsh environments," "preventing cracks and improving reliability due to solder thermal fatigue," "addressing environmental issues," "extending the lifespan of power supplies," and "overhauls." As part of power supply evaluation testing, we offer products that comply with JIS standards and obtain safety certifications. <We are currently offering case study materials that introduce actual projects we have undertaken> [Material Overview] "Manufacturing custom power supplies for railways," "Protection of power connection devices," "Prevention of cracks due to heat cycles," "Extending the lifespan of power supplies." Please check it from "PDF Download."

  • power supply
  • Power Supply

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[Case Study] Business Continuity

[Case Study] Business Continuity

Achieving high reliability at the network carrier level! Introduction of case studies for problem-solving.

We will introduce case studies of problem-solving for one-stop engineering aimed at product development. If you want to mass-produce a high-speed communication system with high reliability and long-term supply capability, we will achieve carrier-level reliability. Our company has over 25 years of supply experience in Ethernet-related equipment (routers/switches) for enterprises and telecommunications operators. 【Case Studies】 ■ Want to mass-produce a high-speed communication system with high reliability and long-term supply capability - Achieving carrier-level reliability - Miniaturization and multi-port configuration through high-density mounting - Providing high-reliability products through know-how in the design and manufacturing of high-reliability network products - Over 25 years of supply experience in Ethernet-related equipment (routers/switches) for enterprises and telecommunications operators *For more details, please refer to the PDF document or feel free to contact us.

  • Other contract services
  • Power Supply

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