TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com RADIATION HARDENED NPN SILICON SWITCHING TRANSISTOR Qualified per MIL-PRF-19500/255 DEVICES LEVELS JANSM 3K Rads (Si) 2N2221A 2N2222A JANSD 10K Rads (Si) 2N2221AL 2N2222AL JANSP 30K Rads (Si) 2N2221AUA 2N2222AUA JANSL 50K Rads (Si) 2N2221AUB 2N2222AUB JANSR 100K Rads (Si) 2N2221AUBC 2N2222AUBC JANSF 300K Rads (Si) JANSG 500K Rads (Si) JANSH 1MEG Rads (Si) ABSOLUTE MAXIMUM RATINGS (T = +25C unless otherwise noted) C Parameters / Test Conditions Symbol Value Unit Collector-Emitter Voltage V 50 Vdc CEO Collector-Base Voltage V 75 Vdc CBO Emitter-Base Voltage V 6.0 Vdc EBO Collector Current I 800 mAdc C Total Power Dissipation T = +25C TO-18 (TO-206AA) A 2N2221A, 2N2222A 2N2221A, L 2N2222A, L 0.5 P W T 2N2221AUA 2N2222AUA 0.65 2N2221AUB, UBC 2N2222AUB, UBC 0.50 Operating & Storage Junction Temperature Range T , T -65 to +200 C op stg THERMAL CHARACTERISTICS Parameters / Test Conditions Symbol Max. Unit 4 PIN Thermal Resistance, Junction-to-Ambient 2N2221AUA, 2N2222AUA 2N2221A, L 2N2222A, L 325 R C/W JA 2N2221AUA 2N2222AUA 210 2N2221AUB, UBC 2N2222AUB, UBC 325 1. Derate linearly 3.08 mW/C above T > +37.5C A 2. Derate linearly 4.76 mW/C above T > +63.5C A 3 PIN 2N2221AUB, 2N2222AUB 2N2221AUBC, 2N2222AUBC (UBC = Ceramic Lid Version) T4-LDS-0042 Rev. 3 (100247) Page 1 of 7 TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com ELECTRICAL CHARACTERISTICS (T = +25C, unless otherwise noted) A Parameters / Test Conditions Symbol Min. Max. Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage I = 10mAdc C V 50 Vdc (BR)CEO Collector-Base Cutoff Current Adc V = 75Vdc 10 CB I CBO Adc V = 60Vdc 10 CB Emitter-Base Cutoff Current Adc V = 6.0Vdc 10 EB I EBO = 4.0Vdc Adc V 10 EB Collector-Emitter Cutoff Current V = 50Vdc CE I 50 Adc CES (3) ON CHARACTERISTICS Forward-Current Transfer Ratio I = 0.1mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 30 C CE 2N2222A, L, UA, UB, UBC 50 I = 1.0mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 35 150 C CE 2N2222A, L, UA, UB, UBC 75 325 I = 10mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 40 h C CE FE 2N2222A, L, UA, UB, UBC 100 I = 150mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 40 120 C CE 2N2222A, L, UA, UB, UBC 100 300 I = 500mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 20 C CE 2N2222A, L, UA, UB, UBC 30 Collector-Emitter Saturation Voltage I = 150mAdc, I = 15mAdc 0.3 C B V Vdc CE(sat) I = 500mAdc, I = 50mAdc 1.0 C B Base-Emitter Voltage I = 150mAdc, I = 15mAdc 0.6 1.2 C B V Vdc BE(sat) I = 500mAdc, I = 50mAdc 2.0 C B T4-LDS-0042 Rev. 3 (100247) Page 2 of 7