2N2218AL

Single Bipolar Transistors Overview

The Microchip Technology 2N2218AL is a radiation-hardened NPN silicon switching transistor designed for high-reliability applications. It features a maximum collector current of 800 mA and a collector-emitter voltage rating of 50 V. The device operates within an extended temperature range from -55°C to +200°C, with a total power dissipation capacity of 3 W. Packaged in the TO-5 metal can format, it provides robust performance in harsh environments.

Single Bipolar Transistors Feature Summary

• Radiation hardened construction ensures reliable operation in high-radiation environments
• Extended junction temperature capability supports operation up to +200°C
• Metal TO-5 package provides hermetic sealing and mechanical durability

Single Bipolar Transistors Applications

• Military aerospace systems requiring radiation tolerance
• High-temperature industrial control circuits
• Spacecraft avionics and satellite subsystems

Single Bipolar Transistors Procurement Notes

Verify the specific JAN or JANTX grade suffixes against the official datasheet to confirm radiation hardness levels and electrical parameter tightness. Ensure the procurement documentation explicitly states the radiation tolerance specifications required for the target application environment.

Single Bipolar Transistors Selection Notes

Select this component when radiation hardness and high-temperature stability are critical requirements. Compare the 50 V collector-emitter voltage and 800 mA current limits against circuit demands. Consider the through-hole TO-5 mounting style for compatibility with existing chassis or board layouts.

Single Bipolar Transistors Part Context

This part belongs to the 2N2218 family of NPN silicon transistors manufactured by Microchip Technology. It serves as a specialized variant optimized for extreme environmental conditions, distinguishing itself from standard commercial equivalents through enhanced radiation tolerance and wider thermal operating ranges.

Single Bipolar Transistors Replacement Considerations

Consult official substitution lists for equivalent radiation-hardened parts. Verify that any alternative maintains the same TO-5 footprint and meets the specific radiation dose requirements of the design.