1N4154-1E3

Single Diodes Overview

The Microchip Technology 1N4154-1E3 is a JEDEC registered small signal switching diode designed for high-speed applications. It features hermetically sealed glass construction with internal metallurgical bonding in a double-plug DO-35 package. The device operates within a junction temperature range of -65°C to +150°C and supports an average rectified forward current of 200 mA. Key electrical parameters include a maximum working peak reverse voltage of 35 V, a maximum reverse current of 100 µA at 150°C, and a typical junction capacitance of 4 pF. Reverse recovery time is specified at 2 ns.

Single Diodes Feature Summary

• Hermetically sealed glass construction with internal metallurgical bonded design
• Very fast switching speeds with minimal reverse recovery times
• Low capacitance characteristics suitable for high-frequency data lines
• Screening available in reference to MIL-PRF-19500 standards

Single Diodes Applications

• Computers and peripheral equipment
• RS-232 & RS-422 interface networks
• Ethernet 10 Base T
• Switching core drivers
• LAN systems

Single Diodes Procurement Notes

Verify the specific reliability level required for your application, as the part nomenclature allows for various screening options referencing JAN, JANTX, JANTXV, or JANS standards. Confirm that the RoHS compliant suffix (e3) matches your environmental requirements. Ensure the DO-35 through-hole package dimensions align with your PCB layout constraints before finalizing procurement.

Single Diodes Selection Notes

Select this component when a low-cost, high-reliability switching diode with proven MIL-qualified manufacturing processes is needed. The 1N4154 variant is specifically chosen over other series members due to its 35 V reverse voltage rating, which suits lower voltage logic circuits compared to the 75 V variants. Consider the metallurgically bonded construction for superior performance in harsh environments requiring hermetic sealing.

Single Diodes Part Context

This component belongs to the popular 1N4149, 1N4151, 1N4154, and 1N4446–1N4449 series of JEDEC registered switching/signal diodes. These devices are widely utilized in computer and peripheral equipment where fast switching and low capacitance are critical. The series offers flexible packaging options including standard bulk and tape & reel configurations.

Single Diodes Replacement Considerations

Direct replacements within the same family include 1N4149-1, 1N4151-1, 1N4446-1, 1N4447-1, 1N4448-1, and 1N4449-1. Note that these alternatives differ primarily in their maximum working peak reverse voltage ratings, which are 75 V for most except the 1N4154.