JANSL2N2222AUA

Single Bipolar Transistors Overview

The JANSL2N2222AUA is a radiation-hardened NPN silicon switching transistor manufactured by Microchip Technology. It is qualified to MIL-PRF-19500/255 Level JANSR, providing resistance up to 100K rads (Si). The device features a maximum collector-emitter voltage of 50 V and a continuous collector current of 800 mA. Power dissipation is rated at 500 mW. It utilizes a surface-mount ceramic package with no leads.

Single Bipolar Transistors Feature Summary

• Qualified for high-radiation environments up to 100K rads (Si)
• Utilizes hermetic ceramic construction for reliability
• Designed as a small-signal switching transistor

Single Bipolar Transistors Applications

• Military aerospace systems
• Satellite communication circuits
• High-reliability space electronics

Single Bipolar Transistors Procurement Notes

Verify the specific radiation hardness level and qualification standard against the official datasheet before procurement. Confirm that the surface-mount ceramic package meets the mechanical constraints of the target assembly. Ensure compliance with relevant military specifications for the intended operational environment.

Single Bipolar Transistors Selection Notes

Select this component when radiation tolerance exceeding standard commercial levels is required. The surface-mount form factor suits automated assembly processes in constrained spaces. Verify thermal management requirements align with the 500 mW power dissipation rating under expected operating conditions.

Single Bipolar Transistors Part Context

This part belongs to the 2N2222 family of NPN transistors, specifically engineered for harsh environments. Unlike standard commercial variants, it undergoes rigorous screening and qualification processes to ensure performance stability under ionizing radiation exposure, making it suitable for defense and space applications.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include other JANS-level qualified parts from the same manufacturer family, such as JANSM2N2222AUB or JANSD2N2222AL, provided they meet the specific radiation and package requirements.