HCPL-550K

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-550K is a single-channel high-speed optocoupler featuring a phototransistor output with a base connection. It operates within a temperature range of -55°C to +125°C and supports a maximum forward current of 20 mA. The device provides an isolation voltage of 1500 Vdc and achieves a data rate of 400 kb/s. Key electrical parameters include a collector current of 8 mA, a power dissipation of 200 mW, and a current transfer ratio of 20%. It utilizes a CDIP-8 Gull Wing package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Hermetically sealed Class K reliability construction
• Phototransistor output with accessible base terminal
• High-speed signal transmission capability

Transistor, Photovoltaic Output Optoisolators Applications

• Military aerospace systems requiring hermetic sealing
• High-reliability industrial control interfaces
• Harsh environment communication isolators

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., -300) against official Broadcom documentation to confirm lead time and availability status. Ensure the procurement channel sources genuine components from authorized distributors. Confirm RoHS compliance details and packaging specifications match project requirements before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications demanding high reliability and hermetic sealing in harsh environments. The accessible base terminal allows for speed optimization or linear operation adjustments. Verify that the through-hole CDIP-8 package fits the board layout and that the 1500 Vdc isolation meets system safety standards.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-550K series of high-speed optocouplers manufactured by Broadcom Limited. The series is characterized by its ceramic DIP packaging and gold-plated leads, designed for superior performance in demanding electronic circuits where standard plastic packages are insufficient.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes within the HCPL-550 family. Verify pin compatibility and hermetic seal requirements when considering alternatives from other manufacturers.