JAN2N3998

Single Bipolar Transistors Overview

The JAN2N3998 is a military-grade NPN silicon small-signal transistor manufactured by Microchip Technology. It utilizes a hermetically sealed TO-5 metal can package designed for high-reliability applications. The device supports a maximum collector-emitter voltage of 80 V and a continuous collector current of 5 A. With a power dissipation rating of 2 W, it operates within a junction temperature range of -65°C to +200°C. This component meets strict MIL-PRF-19500 qualification standards for aerospace and defense environments.

Single Bipolar Transistors Feature Summary

• Hermetically sealed TO-5 metal can construction ensures environmental protection
• Qualified per MIL-PRF-19500 standards for military reliability
• High current handling capability with 5 A continuous collector current
• Extended thermal performance supporting junction temperatures up to 200°C

Single Bipolar Transistors Applications

• Military avionics systems requiring radiation-hardened or high-reliability components
• Defense communication equipment operating in extreme thermal conditions
• Aerospace power management circuits demanding long-term stability
• Satellite subsystems utilizing hermetically sealed discrete semiconductors

Single Bipolar Transistors Procurement Notes

Verify the specific revision level and lot traceability documentation upon receipt. Confirm that the component matches the exact JAN prefix designation required for your bill of materials. Ensure storage conditions maintain the integrity of the hermetic seal. Request full material certification from the authorized distributor to validate compliance with military specifications before integration into critical systems.

Single Bipolar Transistors Selection Notes

Select this component when a hermetically sealed NPN transistor is mandatory for mission-critical designs. It is appropriate for circuits requiring high current switching capabilities in harsh environments. Compare against commercial equivalents if military qualification is not required to optimize cost. Ensure the TO-5 footprint aligns with existing board layouts and mounting hardware constraints.

Single Bipolar Transistors Part Context

This part belongs to the 2N399x series of high-current NPN transistors produced by Microchip Technology. The JAN prefix indicates it is qualified under military standards, distinguishing it from commercial variants. These devices are engineered for robustness in sectors where failure is not an option, such as space exploration and tactical defense systems.

Single Bipolar Transistors Replacement Considerations

Direct replacements must match the JAN2N3998 electrical parameters and TO-5 package dimensions. Verify that any substitute also holds the necessary military qualifications if the application demands them. Consult the manufacturer's cross-reference guide for approved equivalent part numbers.