HCPL-4504-320E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4504-320E is a high-speed, single-channel optocoupler from Broadcom's HCPL series. It features a GaAsP light-emitting diode optically coupled to an integrated phototransistor output. The device provides electrical isolation with a rated isolation voltage of 3750 Vrms. Key electrical parameters include a maximum forward voltage of 1.7V and a maximum input current of 25mA. The typical turn-on and turn-off times are 200ns and 300ns respectively. The current transfer ratio ranges from 25% to 60% at a forward current of 16mA. It operates within a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High common-mode rejection capability for noise immunity
• Integrated phototransistor output for logic compatibility
• Wide operating temperature range suitable for industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial networking systems
• Variable-speed drives
• Electric vehicle circuits
• Induction heating equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (320E) against official datasheets to confirm pinout and packaging details. Ensure compliance with RoHS directives as indicated by the suffix. Cross-reference manufacturer part numbers with distributor listings to avoid substitution errors. Confirm lead times and availability directly with authorized suppliers before finalizing procurement plans.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed signal transmission and robust electrical isolation are required. The 3750 Vrms isolation rating makes it suitable for separating diverse voltage levels in industrial applications. Consider the 25% to 60% current transfer ratio for circuit design efficiency. Ensure the DIP-8 package fits the PCB layout constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4504 family of high-speed optocouplers. It is designed to replace older discrete isolation solutions with a compact, integrated package. The series is widely used in applications requiring reliable data transfer across isolated boundaries. Broadcom manufactures these components using advanced semiconductor processes for consistent performance.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes like HCPL-4504-300E or HCPL-4504-500E if pinout variations exist. Verify that alternative parts meet the same isolation voltage and speed requirements. Ensure compatibility with existing PCB footprints and thermal management strategies.