HCPL-520K

Logic Output Optoisolators Overview

The HCPL-520K is a high-reliability, single-channel hermetically sealed optocoupler manufactured by Broadcom Limited. It features a ceramic DIP-8 package designed for Class K applications. The device supports a data rate of 5 Mb/s with a forward current of 8 mA and an output current of 15 mA. Key electrical parameters include a forward voltage of 1.3 V, reverse voltage of 3 V, and power dissipation of 200 mW. Transition times are specified at 45 ns rise and 10 ns fall. It operates within a temperature range of -55°C to +125°C.

Logic Output Optoisolators Feature Summary

• Hermetically sealed construction in a ceramic DIP-8 package ensures high reliability and environmental stability.
• Class K qualification provides suitability for demanding aerospace and military environments.
• High-speed signal transmission capability with a 5 Mb/s data rate.
• Wide operating temperature range supports functionality across full military specifications.

Logic Output Optoisolators Applications

• Aerospace and satellite communication systems
• Military-grade electronic circuits
• High-reliability industrial control interfaces
• Space-qualified optical isolation requirements

Logic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., #200) against official datasheets to confirm package type and pinout configuration. Ensure that the procurement source provides valid traceability documentation required for Class K components. Confirm that the supplier adheres to strict handling protocols for hermetically sealed ceramic packages to prevent integrity compromise during transit and storage.

Logic Output Optoisolators Selection Notes

Select this component when high reliability and hermetic sealing are mandatory for the application environment. The HCPL-520K is appropriate for designs requiring Class K certification and operation across extreme temperatures. Consider the 5 Mb/s speed limit and 15 mA output current capacity when designing interface circuits. Verify compatibility with existing DIP-8 footprints and thermal management strategies for the specified power dissipation.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-520K series of high-speed optocouplers from Broadcom Limited. The series includes variants such as HCPL-520K-100 and HCPL-520K-300, which differ primarily in packaging or minor electrical characteristics while maintaining the core high-reliability architecture. These devices are positioned for specialized markets requiring robust optical isolation.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users must consult official Broadcom resources for qualified replacements. Direct substitution requires matching hermetic sealing, Class K status, and DIP-8 ceramic package dimensions.

Logic Output Optoisolators FAQ

What is the common mode transient immunity of the HCPL-520K?

The HCPL-520K offers a common mode transient immunity of 10 kV/µs, ensuring stable performance in noisy environments.

Is the HCPL-520K suitable for space applications?

Yes, the HCPL-520K is space-qualified and designed for use in satellite and aerospace systems due to its hermetic sealing and Class K reliability.