03

Solution Configuration

04

MOSFET

This is a power switching device that is critical for inverter circuits,
compressor and fan motor drives. We supply various package products
including High Voltage MOSFET, Super Junction MOSFET,
and Low Voltage Trench MOSFET.
Through low on-resistance (Rds(on)) and high-speed switching characteristics,
it reduces power loss and supports high-efficiency operation.

• Features

  High-Speed Switching: 30V~150V low Rds(on) minimizes switching and conduction losses

  Low Heat,
  High Efficiency: Minimizes heat generation with ultra-low Rds(on)

  Enhanced System Safety: Overcurrent/overheat protection

• Application Examples
  Flyback/Forward / Secondary-side synchronous rectification MOSFET

05

Schottky Barrier Diode

This is a diode using the Schottky barrier generated through
metal-semiconductor junction. We supply ultra-small package products.
Our Schottky barrier diodes minimize power loss with low forward voltage
and fast switching characteristics, applied to power rectification,
reverse current blocking, and SMPS circuits.

• Features

  Low Power Loss: Minimizes rectification loss with low forward voltage drop

  High-Speed Switching: Stable operation in sections requiring fast signal transition

  Enhanced System Stability: Protects electronic components by minimizing
  overvoltage during reverse current and switching

  Miniaturization
  and Weight Reduction: Low heat simplifies thermal design, enabling overall circuit miniaturization

• Application Examples
  Secondary Rectification / Auxiliary DC-DC Output
  Freewheeling Diode Replacement in DC/DC Converter Section (Low Voltage)

06

Switching Diode

This is a switching diode for rectification and switching.
We supply various package products with short reverse recovery time (trr).

Our switching diodes are used in circuits requiring fast ON/OFF switching,
applied to control signals and small switching circuits.

• Features

  High-Speed Switching Stability: Minimizes switching losses with fast reverse recovery in nS units

  System Efficiency Improvement: Reduces heat generation by minimizing power loss, improving overall system efficiency

  Miniaturization and Weight Reduction: Low heat simplifies thermal design, enabling overall circuit miniaturization

• Application
  Examples
  Snubber Circuit / Bootstrap Circuit

07

Regulator

This is a regulator used to regulate and maintain input voltage or pressure at a stable level.
We supply various package products to ensure stable operation of connected devices.
Our regulators are used to provide stable power supply
to control boards, sensors, and microcontrollers.

• Features

  Voltage Stabilization: Provides precision reference voltage

  Low Operating Impedance: Advantageous for loop stability

  System Protection: Includes overvoltage/overheat protection functions

• Application
  Examples
  Secondary-side output voltage feedback

08

Shunt Regulator
Shunt Regulator

A shunt regulator is a device that regulates voltage to maintain stable output
despite input voltage fluctuations or load changes.
'Shunt' refers to a method of regulating voltage by connecting in parallel
to the load that conducts current, operating on the same principle as a shunt
to supply stabilized power at a specific voltage level.

09

Optocoupler
Optocoupler

An optocoupler is a device that transmits signals between the input and output circuits
in an electrically isolated state by activating the phototransistor (light-receiving section)
with light emitted when the internal LED turns on.
We supply various package products to ensure stable operation of connected devices.
Our optocouplers are used to provide stable isolated feedback
for power and control signals.

• Features

  Voltage Stabilization: Electrical isolation between primary side (AC high voltage) and secondary side (low voltage control)

  CTR (Current Transfer Ratio): Considers temperature and time variations

  Transmission Bandwidth: Low signal distortion and stable feedback transmission

• Application Examples
  Protection signal transmission / Secondary output → Primary output section