2N3498

Single Bipolar Transistors Overview

The Microchip Technology 2N3498 is a silicon NPN single bipolar junction transistor designed for through-hole mounting in TO-5AA metal can packages. It supports a maximum DC collector current of 500 mA and withstands collector-emitter voltages up to 100 V. The device dissipates 1 W of power and operates within a temperature range of -65°C to +200°C junction temperature. Key electrical characteristics include a minimum DC current gain of 40 at 150 mA, a collector-base voltage of 100 V, an emitter-base voltage of 6 V, and a collector-emitter saturation voltage of 600 mV.

Single Bipolar Transistors Feature Summary

• High thermal stability with a maximum operating junction temperature of 200°C
• Robust mechanical construction utilizing a hermetically sealed TO-5AA metal can package
• Capable of handling moderate signal currents up to 500 mA

Single Bipolar Transistors Applications

• Military aerospace electronic systems requiring radiation-hardened or high-reliability components
• Spacecraft avionics and satellite communication equipment
• High-temperature industrial control circuits

Single Bipolar Transistors Procurement Notes

Verify the specific suffix (e.g., L, U) against the datasheet to confirm exact performance grades and testing standards. Confirm RoHS compliance status as military variants often differ from commercial specifications. Validate that the TO-5AA package matches the target PCB footprint requirements before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when a ruggedized NPN transistor is required for extreme thermal environments exceeding standard commercial limits. Ensure the design accommodates the physical dimensions of the TO-5AA metal can. Verify that the 1 W power dissipation rating aligns with the thermal management strategy of the host system.

Single Bipolar Transistors Part Context

This part belongs to the 2N3498L through 2N3501L series of high-reliability transistors manufactured by Microchip Technology. These devices are engineered for demanding applications where standard commercial semiconductors may fail due to environmental stress or radiation exposure.

Single Bipolar Transistors Replacement Considerations

Consult official substitution lists for equivalent parts such as JANTXV2N3498L/TR. Verify pinout compatibility and ensure replacement units meet identical military qualification standards.