Diodes Incorporated DPC851 Isolated Photocouplers


Diodes Incorporated DPC851 Isolated Photocouplers

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Diodes Incorporated DPC851 Optoelectronics

Description

Diodes Incorporated DPC851 Isolated Photocouplers offer a 350V phototransistor, allowing usage in applications that demand high operating voltages on the isolated side. The DPC851 is ideal for use in BLDC or AC motor inverters for home appliances such as washing machines, air conditioners, air purifiers, refrigerators, and dehumidifiers.

Diodes Incorporated DPC851 Isolated Photocouplers

Introduction

The Diodes Incorporated DPC851 Isolated Photocouplers are advanced optoelectronic components designed to provide high voltage isolation in various applications. With a robust phototransistor capable of handling up to 350V, the DPC851 is ideal for use in environments where electrical isolation is critical.

Part Description

The DPC851 integrates an infrared (IR) diode and a phototransistor, achieving a high current transfer ratio (CTR) while maintaining a remarkable isolation voltage of 5,000V. This component is available in multiple package types, including DIP-4, MDIP-4, SL-4, and SLM-4, making it versatile for different circuit designs. The DPC851 is also fully RoHS compliant and features a lead-free construction, ensuring it meets modern environmental standards.

Applications

  • Switching power systems
  • Server power systems
  • High-voltage programmable controllers
  • Air conditioning units
  • LED lighting systems
  • Electric vehicle (EV) charger stations

Industries

  • Home appliances
  • Consumer electronics
  • Automotive
  • Industrial automation
  • Renewable energy systems

Usage Ideas

  1. Home Appliance Control: Use the DPC851 to isolate control signals in a washing machine's motor inverter, ensuring safe operation while managing high voltages.
  2. LED Lighting Systems: Implement the DPC851 in LED driver circuits to provide isolation between the high-voltage input and low-voltage control signals, enhancing safety and reliability.
  3. Electric Vehicle Charging Station: Integrate the DPC851 in the control circuitry of an EV charger to maintain electrical isolation between the grid and the vehicle, ensuring user safety during charging.

Conclusion

The Diodes Incorporated DPC851 Isolated Photocouplers are a reliable choice for applications requiring high voltage isolation and robust performance. Their versatility across various industries and applications makes them an essential component for modern electronic designs, particularly in high-voltage environments.