JANSR2N2222AUB

This device is a hermetic NPN switching transistor qualified as JANSR2N2222AUB under MIL-PRF-19500/255. Semicoa lists it in the UB package with a 20 x 20 mil die, C lead finish, and 1B ESD category. The catalog shows 50 V, 75 V, and 6 V transistor voltage ratings together with 800 mA collector current, 250 MHz transition frequency, and 0.5 W power dissipation. It also lists 325 °C/W thermal resistance, a DC gain range of 100 to 300, capacitance values of 25 pF and 8 pF, and a 100 Krad(Si) radiation-hard level. The Semicoa geometry is identified as 0400 and 0400RAD.