HCPL-5531

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-5531 is a high-reliability, Class H, two-channel hermetically sealed optocoupler manufactured by Broadcom Limited. It features a phototransistor output with a data rate of 400 kb/s and a bandwidth of 9 MHz. The device provides an insulation voltage of 1500 Vdc and operates within a temperature range of -55°C to +125°C. Packaged in an 8-pin ceramic DIP (CDIP-8) with gold-plated leads, it supports a maximum forward current of 20 mA and a collector current of 8 mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Hermetically sealed construction in an 8-pin ceramic DIP package for high reliability
• Dual-channel design with phototransistor outputs for galvanic isolation
• High-speed performance supporting 400 kb/s data rates and 9 MHz bandwidth
• Military-grade Class H certification with wide operating temperature capability

Transistor, Photovoltaic Output Optoisolators Applications

• Military and aerospace systems requiring high radiation resistance
• Industrial control environments demanding robust signal isolation
• Communication equipment utilizing TTL/LSTTL/CMOS logic interfaces
• Medical electronics needing reliable galvanic separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm package type and lead time requirements. Ensure compliance with MIL-PRF-38534 Class H standards for intended applications. Confirm availability through authorized distributors as supply levels may vary. Check RoHS status if environmental regulations apply to the final assembly process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation and high reliability are critical. The CDIP-8 package suits through-hole mounting for mechanical stability. Consider the 1500 Vdc isolation rating for safety-critical circuits. Evaluate the 400 kb/s speed against system timing requirements before implementation.

Transistor, Photovoltaic Output Optoisolators Part Context

Part of the HCPL series from Broadcom, designed for harsh environments. The HCPL-5531 specifically addresses needs for hermetic sealing and military qualification. It complements single or quad-channel variants within the same family offering similar isolation technologies.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HT5531 is a documented compatible alternative. Verify pinout compatibility and electrical parameters before substitution. Ensure the replacement meets the same Class H reliability standards if required by the application.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum insulation voltage of the HCPL-5531?

The device provides an insulation voltage of 1500 Vdc between input and output channels.

Does the HCPL-5531 support through-hole mounting?

Yes, it is housed in an 8-pin ceramic DIP (CDIP-8) package designed for through-hole installation.

What is the operating temperature range?

The component is guaranteed to operate within a temperature range of -55°C to +125°C.