JANS2N2221

Single Bipolar Transistors Overview

The JANS2N2221 is a single NPN silicon small-signal bipolar junction transistor (BJT) manufactured by Microchip Technology. Designed for through-hole mounting in the TO-206AA package, it supports a maximum collector current of 800 mA and a collector-emitter voltage of 50 V. The device features a total power dissipation rating of 650 mW at 25°C ambient temperature. It operates within an extended temperature range from -65°C to +200°C. This component is part of the JAN series, indicating radiation-hardened specifications suitable for demanding environments.

Single Bipolar Transistors Feature Summary

• Radiation-hardened design optimized for high reliability in space applications
• High thermal stability with operation up to 200°C junction temperature
• Robust switching capability with 800 mA continuous collector current
• Standardized military-grade form factor for direct replacement

Single Bipolar Transistors Applications

• Satellite communication systems requiring radiation tolerance
• Military avionics control circuits
• Spacecraft power management switching
• High-reliability industrial sensor interfaces

Single Bipolar Transistors Procurement Notes

Verify the specific radiation hardness level and lot traceability documentation upon order confirmation. Confirm that the delivered units match the exact JAN qualification standards required for your mission profile. Ensure proper handling procedures are followed due to the sensitive nature of radiation-hardened semiconductor components.

Single Bipolar Transistors Selection Notes

Select this component when radiation tolerance is critical for system longevity. Compare against standard commercial grade transistors if environmental conditions do not require hardened specifications. Verify pinout compatibility with existing PCB layouts before integration into new designs.

Single Bipolar Transistors Part Context

This part belongs to the 2N2221 family of NPN transistors produced under military specifications. It shares electrical characteristics with commercial variants but includes enhanced testing for ionizing radiation effects. The manufacturer maintains strict quality controls to ensure consistent performance across production batches.

Single Bipolar Transistors Replacement Considerations

JANTX2N2221AL/TR serves as a verified substitute offering similar electrical parameters and radiation hardening levels.