HCPL-817-56AE

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-817-56AE is a single-channel transistor output optocoupler from the Broadcom HCPL series. It features an NPN phototransistor output and operates with a maximum forward current of 50 mA and a forward voltage of 1.4 V. The device provides high isolation with a rated insulation voltage of 5000 Vrms. Key electrical parameters include a collector-emitter voltage of 70 V, a collector current of 50 mA, and a power dissipation of 200 mW. The current transfer ratio ranges from 80% to 160%, with typical rise and fall times of 4 µs and 3 µs respectively. It functions within a temperature range of -30°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using an LED and NPN phototransistor configuration.
• Offers high dielectric strength with a 5000 Vrms insulation rating for safety-critical applications.
• Features fast switching characteristics with typical rise and fall times in the microsecond range.
• Designed for through-hole mounting in a standard four-pin DIP package.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply feedback loops
• Communication interface isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '56AE' against the official Broadcom datasheet to confirm the exact current transfer ratio binning and packaging type. Ensure that the required isolation voltage and thermal performance meet the target application specifications before finalizing procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output optocoupler with high isolation voltage is required. Consider the 80-160% current transfer ratio range for logic interfacing. Verify compatibility with the PCB footprint for the PDIP-4 Gull Wing package and ensure operating temperatures align with the -30°C to +100°C specification.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-817 family of transistor output optocouplers manufactured by Broadcom Limited. The family offers various configurations distinguished by suffix codes indicating current transfer ratio bins and packaging options. The HCPL-817 series is widely used for general-purpose isolation in electronic circuits.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct cross-references such as HCPL-817-56CE or HCPL-817-500E if surface mount variants are acceptable. Verify pinout compatibility and electrical parameter equivalence before substituting.