HSSR-7112-200

Overview

The HSSR-7112-200 is a power MOSFET output optocoupler manufactured by Broadcom Limited. It features a hermetically sealed package containing an infrared LED coupled to a single-channel power MOSFET. The device provides electrical isolation with a maximum operating voltage of 90V across the MOSFET and a typical on-resistance of 1.0 ohm. It utilizes an 8-DIP through-hole package, specifically designed for high-voltage switching applications requiring robust galvanic isolation.

Feature Summary

• Hermetically sealed construction ensures long-term reliability in harsh environments
• Integrated power MOSFET output enables direct switching of high-current loads
• Single-channel configuration simplifies circuit design for isolated power control

Applications

• Industrial motor drive isolation
• High-voltage solid-state relay replacement
• Power supply feedback loops

Procurement Notes

Verify the specific suffix designation during procurement to ensure compatibility with required isolation ratings and package dimensions. Confirm that the hermetically sealed variant matches the environmental protection needs of the target application. Cross-reference the manufacturer datasheet for any recent product change notifications or pinout revisions before finalizing component selection.

Selection Notes

Select this component when high voltage isolation and low on-resistance are critical for power switching efficiency. Consider the thermal performance characteristics inherent to the DIP-8 package for heat dissipation requirements. Ensure the input forward current capabilities align with the driving logic levels available in the control circuit interface.

Part Context

This part belongs to the HSSR series of power MOSFET optocouplers from Broadcom Limited. It represents a specialized isolator designed to replace traditional mechanical relays in high-reliability applications. The series emphasizes durability and fast switching speeds compared to standard signal optocouplers.

Replacement Considerations

HSSR-7112 and HSSR-7112-300 are related variants within the same family. Verify pin compatibility and isolation voltage specifications when substituting these parts.