1N4531,143

Overview

The Nexperia 1N4531,143 is a high-speed switching diode fabricated using planar technology. It is encapsulated in hermetically sealed leaded glass SOD68 (DO-34) packages. The device supports a continuous reverse voltage of up to 75 V and a repetitive peak reverse voltage of 75 V. It handles a continuous forward current of 200 mA and a repetitive peak forward current of 450 mA. Key electrical characteristics include a maximum reverse recovery time of 4 ns, a forward voltage of 1 V at 10 mA, and a diode capacitance of 4 pF at 0 V and 1 MHz.

Feature Summary

• Hermetically sealed leaded glass package for environmental protection
• High switching speed with minimal reverse recovery time
• Planar technology fabrication for reliability

Applications

• High-speed switching circuits
• Protection diodes in reed relays

Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm exact packaging configuration. Confirm that the component meets RoHS compliance requirements for your target market. Ensure the supplier provides valid traceability data consistent with the manufacturer's quality standards.

Selection Notes

Select this component when hermetic sealing is required for harsh environments. Choose based on the need for low capacitance and fast recovery times in signal paths. Verify thermal resistance limits against the expected ambient temperature conditions.

Part Context

This part belongs to the 1N4531/1N4532 series of high-speed diodes from Nexperia. These devices are designed for applications requiring rapid switching capabilities within a robust glass-encapsulated form factor. They serve as discrete semiconductor solutions for signal processing and protection tasks.

Replacement Considerations

Consult official Nexperia substitution guides for verified equivalents. Do not assume compatibility with generic high-speed diodes without verifying pinout and electrical limits.