HCPL-817-50CE

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-817-50CE is a single-channel transistor output optocoupler manufactured by Broadcom Limited. 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 an insulation voltage of 5000 Vrms. Key electrical parameters include a collector-emitter saturation voltage of 200 mV, a reverse voltage of 6 V, and a power dissipation of 200 mW. The typical rise time is 4 µs and the fall time is 3 µs. The current transfer ratio ranges from 200% to 400%. It supports a maximum collector current of 50 mA and a collector-emitter voltage of 70 V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor pair.
• Offers high dielectric strength with a 5000 Vrms insulation voltage rating for safety-critical applications.
• Features fast switching characteristics with typical rise and fall times suitable for digital signal transmission.
• Designed for through-hole mounting in a standard PDIP-4 gull wing package.

Transistor, Photovoltaic Output Optoisolators Applications

• Digital isolation in industrial control systems
• Signal coupling in microprocessor-based circuits
• Power supply feedback loops
• Gate drive isolation for power switches

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '50CE' to confirm the current transfer ratio bin (200%-400%) and the PDIP-4 through-hole package configuration. Ensure compatibility with the required isolation voltage and operating temperature range (-30°C to +100°C). Confirm RoHS compliance status as indicated in the official datasheet before finalizing procurement specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output optocoupler with high isolation voltage is required. The HCPL-817-50CE is suitable for applications needing moderate speed switching and robust noise immunity. Consider the 200-400% CTR range for logic interface design. Ensure the PCB layout accommodates the PDIP-4 footprint and maintains adequate creepage distances for the 5000 Vrms rating.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-817 series of transistor output optocouplers from Broadcom. The series is designed for general-purpose digital isolation. The HCPL-817-50CE specifically denotes a variant with a defined current transfer ratio bin and through-hole packaging, distinguishing it from surface-mount or different CTR variants within the same family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameter equivalence if considering alternative manufacturers.