HCPL-5401

Logic Output Optoisolators Overview

The HCPL-5401 is a high-reliability, single-channel hermetically sealed optocoupler manufactured by Broadcom Limited. It features a Class H isolation rating with a maximum operating voltage of 1500Vdc. The device supports a data rate of 40 Mb/s and operates within a temperature range of -55°C to +125°C. Key electrical parameters include a forward current of 10 mA, forward voltage of 1.35 V, and output current of 25 mA. Propagation delays are limited to 60 ns for both low-to-high and high-to-low transitions. Rise and fall times are specified at 15 ns and 10 ns respectively. Power dissipation is rated at 200 mW.

Logic Output Optoisolators Feature Summary

• Hermetically sealed ceramic DIP package ensuring high reliability in harsh environments
• Class H insulation system providing robust galvanic isolation
• High-speed logic output capability supporting 40 Mb/s data transmission

Logic Output Optoisolators Applications

• Industrial automation control systems requiring high noise immunity
• Medical equipment needing certified isolation barriers
• Power supply feedback loops in high-voltage applications

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm package style and lead time requirements. Ensure compatibility with existing PCB footprints for 8-pin ceramic DIP configurations. Check RoHS compliance status if required by project specifications. Confirm availability through authorized distributors as production cycles may vary. Validate that the Class H isolation rating meets the safety standards of the target application.

Logic Output Optoisolators Selection Notes

Select this component when high reliability and hermetic sealing are critical for long-term operation. The wide operating temperature range makes it suitable for extreme environmental conditions. Consider the 40 Mb/s speed limit for signal integrity requirements. Ensure the circuit design accommodates the 10 mA forward current requirement. Verify that the 1500Vdc isolation voltage exceeds the system's peak transient voltages.

Logic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers from Broadcom Limited. It is designed for applications demanding superior isolation performance and durability. The series typically includes variants with different packaging options and electrical characteristics. The HCPL-5401 specifically targets markets where traditional plastic packages may fail due to moisture or mechanical stress.

Logic Output Optoisolators Replacement Considerations

Check for direct substitutes within the HCPL family such as HCPL-540K-300 for surface mount alternatives. Verify pinout compatibility before swapping components. Ensure replacement parts maintain the same Class H isolation rating and hermetic seal properties.