JANS2N2221AL

Single Bipolar Transistors Overview

The JANS2N2221AL is a silicon NPN small-signal bipolar junction transistor (BJT) manufactured by Microchip/Microsemi. It features a maximum collector current of 800 mA and a collector-emitter voltage rating of 50 V. The device is housed in a TO-206AA through-hole package with a power dissipation capacity of 650 mW. It is qualified under the JANS radiation-hardened specification, providing high reliability for aerospace applications.

Single Bipolar Transistors Feature Summary

• JANS radiation-hardened qualification for enhanced reliability
• Hermetic metal can packaging for environmental protection
• High-speed switching capability suitable for demanding circuits

Single Bipolar Transistors Applications

• Aerospace electronic systems
• Military communication equipment
• Satellite subsystems

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer lot traceability and ensure compliance with the relevant MIL-PRF-19500 agency specifications. Confirm that the component meets the required radiation hardness levels for the intended mission profile before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when radiation tolerance and hermetic sealing are mandatory requirements. Ensure the circuit design accommodates the 50 V collector-emitter voltage limit and the thermal constraints associated with the TO-206AA package's power dissipation capabilities.

Single Bipolar Transistors Part Context

This part belongs to the 2N2221 family of NPN transistors. The JANS suffix indicates it has undergone rigorous screening and testing to meet military-grade radiation hardness standards, distinguishing it from commercial or standard industrial variants within the same electrical performance class.

Single Bipolar Transistors Replacement Considerations

Direct replacements include JAN2N2221AL and JANSL2N2221AL. Verify that substitute parts maintain equivalent radiation hardness qualifications and hermetic package integrity to ensure system compatibility.