HCPL-573K

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-573K is a dual-channel, hermetically sealed logic output optocoupler manufactured by Broadcom Limited. It features an open collector output configuration housed in an 8-pin DIP package. Key electrical parameters include a current transfer ratio of 1500%, a maximum continuous output current of 40 mA, and a forward voltage of 1.7 V at a forward current of 5 mA. The device supports a reverse voltage of 5 V and has a power dissipation rating of 200 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Hermetically sealed construction ensuring high reliability and environmental stability
• Dual-channel design providing independent signal isolation paths
• Open collector output interface compatible with standard logic circuits

Transistor, Photovoltaic Output Optoisolators Applications

• High-reliability industrial control systems requiring galvanic isolation
• Military and aerospace electronic assemblies demanding Class K reliability standards
• Medical equipment interfaces necessitating robust signal transmission integrity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code to confirm package type and reel/tray specifications. Ensure the component matches the required hermetic sealing class for your application environment. Cross-reference the manufacturer part number with official Broadcom documentation to confirm active status and compliance with relevant RoHS directives before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation reliability and hermetic sealing are critical requirements. The dual-channel architecture suits applications needing multiple isolated signals within a single footprint. Consider the open collector output limitations regarding pull-up resistor requirements and voltage levels during circuit design integration.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-573 series of optocouplers, specifically designed for high-reliability applications. The 'K' suffix typically denotes the hermetically sealed ceramic package variant, distinguishing it from plastic packaged versions within the same functional family. It serves as a specialized solution for environments where standard plastic optocouplers may fail due to moisture or pressure variations.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements must match the 8-pin DIP hermetic package and dual-channel logic output specification. Verify that substitute components offer equivalent current transfer ratios and isolation capabilities. Ensure any alternative maintains the same pinout configuration to facilitate drop-in replacement without PCB redesign.