HCPL-665K

Logic Output Optoisolators Overview

The HCPL-665K is a high-reliability, Class K four-channel hermetically sealed optocoupler manufactured by Broadcom Limited. It features a ceramic Flat-Pack 16 package designed for surface mount installation. The device supports a data rate of 10 Mb/s with an open collector output type that includes Schottky clamping. Key electrical parameters include a forward current of 20 mA, a typical forward voltage of 1.5 V, and an output current of 25 mA per channel. It provides an insulation voltage of 1500 Vdc and a common-mode transient immunity of 1 kV/µs. The component operates within a temperature range of -55°C to +125°C and has a power dissipation rating of 200 mW.

Logic Output Optoisolators Feature Summary

• Hermetically sealed ceramic construction ensures high reliability and environmental stability.
• Four independent channels provide simultaneous signal isolation in a compact footprint.
• Schottky-clamped open collector outputs enhance switching speed and noise immunity.

Logic Output Optoisolators Applications

• High-speed digital communication interfaces requiring galvanic isolation
• Industrial control systems demanding robust signal transmission
• Medical equipment needing reliable electrical safety isolation

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and lead time requirements are met. Confirm RoHS compliance status through official documentation before integration. Check for any product change notices that may affect pinout or material composition. Ensure the supplier provides valid traceability documents for Class K reliability standards. Validate the operating temperature range against your specific application environment constraints.

Logic Output Optoisolators Selection Notes

Select this component when high-speed data transfer up to 10 Mb/s is required alongside strict isolation needs. The hermetic seal makes it suitable for harsh environments where standard plastic packages might fail. Consider the 1500 Vdc insulation voltage for applications involving high potential differences. The open collector output requires appropriate pull-up resistors for proper logic level translation. Evaluate the thermal management capabilities given the 200 mW power dissipation limit.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-6 series of high-speed optocouplers from Broadcom Limited. It is specifically designed as a Class K device, indicating enhanced reliability and quality controls compared to standard industrial components. The family focuses on providing fast response times while maintaining electrical isolation between input and output circuits. The ceramic flat-pack format distinguishes it from more common plastic DIP or SOIC variants.

Logic Output Optoisolators Replacement Considerations

Direct substitutes must match the 16-pin ceramic flat-pack hermetic seal and Class K reliability rating. Verify that alternative parts support the same 10 Mb/s data rate and 1500 Vdc isolation voltage. Ensure the replacement offers compatible open collector Schottky-clamped outputs. Check for identical pin configuration to maintain board layout compatibility without redesign.

Logic Output Optoisolators FAQ

What is the maximum operating temperature for the HCPL-665K?

The maximum operating temperature is +125°C.

Does the HCPL-665K have Schottky clamping?

Yes, the output type is specified as Open Collector with Schottky Clamping.