2N3419S

Single Bipolar Transistors Overview

The Microchip Technology 2N3419S is an NPN medium power silicon transistor designed for high-reliability applications. It features a collector-emitter voltage of 80 V, a collector-base voltage of 125 V, and an emitter-base voltage of 8 V. The device supports a maximum DC collector current of 3 A with a total power dissipation of 1 W at 25 °C ambient temperature or 5 W at case temperatures of 100 °C. It operates within a junction temperature range of -65 °C to +200 °C and utilizes a TO-5 (TO-205AD) hermetic package.

Single Bipolar Transistors Feature Summary

• Radiation hardened construction rated for 100 krad (Si) per MIL-PRF-19500/393 standards
• Hermetic TO-5 metal can package suitable for harsh environments
• High thermal stability with extended operating temperature range up to +200 °C

Single Bipolar Transistors Applications

• Military aerospace systems requiring radiation tolerance
• High-reliability switching circuits in defense electronics
• Harsh environment power control modules

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'S' indicates compliance with MIL-PRF-19500/393 specifications. Confirm radiation hardness ratings and lot traceability requirements against project documentation. Ensure procurement channels provide valid military grade certifications. Validate that the TO-5 package matches mechanical constraints. Check for recent Product Change Notifications affecting material composition.

Single Bipolar Transistors Selection Notes

Select this component when radiation hardness and high-temperature operation are critical. Compare the 80 V collector-emitter rating against circuit voltage peaks. Evaluate the 3 A current capability against load requirements. Consider the TO-5 package for thermal management needs. Verify compatibility with existing board layouts for through-hole mounting.

Single Bipolar Transistors Part Context

The 2N3419S belongs to a family of medium power NPN transistors including the 2N3418, 2N3420, and 2N3421 variants. These devices share similar physical packages and general electrical characteristics but differ in voltage ratings. The 'S' suffix typically denotes space-grade or qualified versions adhering to strict military reliability standards.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitutes include 2N3418S, 2N3420S, and 2N3421S from the same manufacturer family. Verify voltage and current limits match application requirements before substitution.