OPI7320

Overview

The OPI7320 is a high-voltage optoisolator featuring a Darlington output configuration, manufactured by TT Electronics/Optek Technology. It provides electrical isolation with a breakdown voltage of 6kV. The device operates within a temperature range of -40°C to +85°C and is available in a 4-DIP package. This component is designed for applications requiring robust signal transmission across isolated circuits.

Feature Summary

• High isolation voltage capability of 6kV
• Darlington transistor output stage for high gain
• Qualified for commercial and MIL-spec reliability standards

Applications

• Industrial control systems
• Aerospace and defense electronics
• High-voltage switching circuits

Procurement Notes

Verify the specific revision level and qualification status (commercial vs. MIL-PRF) required for your application. Confirm package integrity upon receipt. Ensure storage conditions meet moisture sensitivity requirements if applicable. Cross-reference pinouts with official datasheets before PCB integration.

Selection Notes

Select this component when high voltage isolation and high current drive capability are needed. The Darlington output offers higher gain than standard phototransistors. Consider thermal management for continuous operation near maximum ratings. Verify compatibility with input drive voltages.

Part Context

Part of the Optek Technology line from TT Electronics, specializing in high-reliability optoelectronics. The product line supports demanding industrial, aerospace, and defense applications with customizable COTS and MIL-spec options. Engineering expertise ensures quality and performance in extreme environments.

Replacement Considerations

Check for direct equivalents with matching 6kV isolation and Darlington output. Verify DIP-4 package compatibility. Ensure replacement parts meet same MIL-PRF-83401 or equivalent reliability standards if used in qualified designs.