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
  Induction heating coil current switching in IH rice cookers
  Heater power control and microcontroller drive circuit power switching

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
  Auxiliary Power Supply Rectification Circuit / MCU and Control Circuit Power Supply
  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
  Protection of MCU and control signal lines
  Gate drive in induction circuits, sensing signal paths / Control and display circuit switching

07

Zener Diode

This is a Zener diode used in constant voltage circuits.
We supply ultra-small package products for protecting
ICs from surges or static electricity.
Our Zener diodes safely conduct current above a specific voltage,
maintaining constant voltage and protecting circuits from overvoltage.

• Features

  Voltage Stabilization: Supplies constant voltage to key circuits despite input voltage fluctuations

  Enhanced System Reliability: Ensures stable operation despite power fluctuations or external abnormal voltages

  Versatile Design Application: Customizable application to various circuit conditions according to Zener voltage selection

• Application Examples
  MOSFET Gate Protection (Surge and overvoltage protection)
  MCU and sensor power line stabilization / External noise blocking

08

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: Output voltage feedback and precision voltage control

  Low Operating Impedance: Advantageous for loop stability

  System Protection: Includes overvoltage/overheat protection functions

• Application Examples
  Output voltage feedback control / MCU, sensors, display, and other low-voltage circuits

09

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.

10

Photocoupler
Photo Coupler, Optocoupler, Isolator

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
  Power supply feedback loop (output voltage stabilization)
  Isolated signal transmission between MCU and power stage / Overvoltage/overcurrent/overtemperature protection signal transmission
  

11

OP Amp

This is an OP AMP that amplifies and outputs the voltage difference between two input terminals.
We supply various package products for amplification, operation, and filtering.
Our OP AMP is used to ensure stability in sensor interfaces and control.
It enables accurate measurement, protection, and control,
used in solutions that simultaneously improve energy efficiency and product reliability.

• Features

  High Input Impedance
  / Low Output Impedance: Can amplify sensor signals without distortion

  Low Noise Characteristics: Signal stabilization in front of ADC (microcontroller)

  Low Noise Characteristics: Improves sensor measurement reliability

  Rail-to-Rail Input/Output Support: Advantageous even in low voltage drive circuits

• Application Examples Temperature sensor amplification / Current sensing amplification / Filter/Buffer