JANSP2N3499

Single Bipolar Transistors Overview

The JANSP2N3499 is a military-grade NPN silicon small-signal bipolar junction transistor (BJT) manufactured by Microchip Technology. Designed for high-reliability applications, it utilizes a hermetically sealed TO-5 metal can package to ensure environmental stability. The device supports a maximum collector-emitter voltage of 100 V and a continuous collector current of 500 mA. It features a power dissipation rating of 1 W and operates within an extended temperature range from -65°C to +200°C. This component meets stringent aerospace and defense specifications for radiation hardness and long-term durability.

Single Bipolar Transistors Feature Summary

• Hermetically sealed TO-5 metal can construction provides superior protection against moisture and contaminants.
• Qualified for space and military environments with enhanced radiation tolerance characteristics.
• Capable of sustained operation at elevated temperatures up to 200°C junction temperature.

Single Bipolar Transistors Applications

• Aerospace avionics systems requiring radiation-hardened components
• Military communication equipment operating in extreme thermal conditions
• Satellite subsystems demanding high reliability and low failure rates

Single Bipolar Transistors Procurement Notes

Verify that the ordering suffix corresponds to the specific JANSP qualification level required for your mission profile. Confirm that the TO-5 package dimensions match your existing board layout constraints. Ensure that handling procedures comply with electrostatic discharge (ESD) precautions typical for sensitive semiconductor devices. Cross-reference the manufacturer's latest datasheet for any recent product change notifications affecting material composition or testing standards.

Single Bipolar Transistors Selection Notes

Select this component when design requirements mandate a ruggedized NPN transistor capable of withstanding harsh operational environments. It is suitable for circuits where standard commercial grade parts would fail due to radiation exposure or thermal stress. Consider the TO-5 footprint during PCB design as it differs significantly from surface-mount alternatives. Evaluate the 1W power dissipation limit against your circuit's thermal management capabilities to ensure safe operating area compliance under peak load conditions.

Single Bipolar Transistors Part Context

This part belongs to the JAN series of semiconductors, which are specifically processed and tested to meet MIL-SPEC standards. Unlike commercial variants, these devices undergo rigorous screening including burn-in and parameter testing to guarantee performance consistency. The JANSP designation indicates a specific processing level optimized for space applications, distinguishing it from general-purpose industrial transistors within the broader Microchip portfolio.

Single Bipolar Transistors Replacement Considerations

Direct replacements must match the JANSP qualification and TO-5 package. Verify compatibility with equivalent military-grade NPN transistors such as the 2N3499 if the specific JANSP suffix is unavailable, ensuring all electrical parameters remain within acceptable limits for the application.

Single Bipolar Transistors FAQ

What is the maximum junction temperature for the JANSP2N3499?

The maximum operating junction temperature is specified as +200°C, allowing for operation in high-heat environments.

Does the JANSP2N3499 use a surface-mount package?

No, it utilizes a through-hole TO-5 metal can package, which is distinct from modern surface-mount technologies.

Is this component suitable for high-radiation environments?

Yes, the JANSP series is designed and qualified for space and military applications involving significant radiation exposure.