1N4148,143

Single Diodes Overview

The NXP USA Inc. 1N4148,143 is a high-speed switching diode fabricated in planar technology and encapsulated in a hermetically sealed leaded glass SOD27 (DO-35) package. It features a maximum continuous reverse voltage of 100 V and a repetitive peak reverse voltage of 100 V. The device supports a continuous forward current of 200 mA and a non-repetitive peak forward current of up to 4 A for 1 µs pulses. Key electrical characteristics include a maximum forward voltage of 1 V at 10 mA, a diode capacitance of 4 pF at 1 MHz, and a reverse recovery time of 4 ns.

Single Diodes Feature Summary

• Hermetically sealed leaded glass SOD27 (DO-35) package construction
• High switching speed with a maximum reverse recovery time of 4 ns
• Planar technology fabrication for reliable general application performance

Single Diodes Applications

• High-speed switching circuits

Single Diodes Procurement Notes

Verify the ordering suffix against the manufacturer's official documentation to confirm specific packaging or screening variations. Confirm that the component status aligns with current production requirements. Ensure compliance with RoHS standards if applicable to the specific batch. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

Single Diodes Selection Notes

Select this component for applications requiring fast switching capabilities within a standard axial leaded glass package. Evaluate thermal resistance limits under expected ambient temperature conditions. Consider the 100 V reverse voltage rating relative to circuit operating voltages. Verify that the 200 mA continuous forward current meets the load requirements without exceeding power dissipation limits.

Single Diodes Part Context

This component belongs to the 1N4148/1N4448 family of high-speed diodes originally developed by NXP Semiconductors. The product line utilizes planar technology to achieve rapid switching speeds suitable for digital and analog signal processing. The SOD27 package provides a compact form factor for through-hole mounting in various electronic assemblies.

Single Diodes Replacement Considerations

Consult official substitution lists for equivalent high-speed diodes. Verify pinout compatibility and package dimensions when replacing with alternative manufacturers' parts. Ensure electrical parameters such as reverse recovery time and peak reverse voltage meet or exceed original specifications.