6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.c...
6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com
TECHNICAL DATA SHEET
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/255
DEVICES
2N2221A 2N2221AL 2N2221AUA 2N2221AUB 2N2221AUBC * * Available to JANS quality level only.
2N2222A 2N2222AL 2N2222AUA 2N2222AUB 2N2222AUBC *
LEVELS
JAN JANTX JANTXV JANS
ABSOLUTE MAXIMUM RATINGS (TC = +25°C unless otherwise noted)
Parameters / Test Conditions
Symbol
Value Unit
Collector-Emitter
Voltage Collector-Base
Voltage Emitter-Base
Voltage Collector Current Total Power Dissipation @ TA = +25°C Operating & Storage Junction Temperature Range
VCEO VCBO VEBO
IC PT Top, Tstg
50 75 6.0 800 0.5 -65 to +200
Vdc Vdc Vdc mAdc W °C
THERMAL CHARACTERISTICS
Parameters / Test Conditions
Symbol
Thermal Resistance, Junction-to-Ambient
2N2221A, L 2N2221AUA 2N2221AUB, UBC
2N2222A, L 2N2222AUA 2N2222AUB, UBC
RθJA
Note: Consult 19500/255 for thermal performance curves.
1. Derate linearly 3.08mW/°C above TA > +37.5°C
2. Derate linearly 4.76mW/°C above TA > +63.5°C
Max.
325 210 325
Unit °C/W
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions
OFF CHARACTERTICS
Collector-Emitter Breakdown
Voltage IC = 10mAdc Collector-Base Cutoff Current VCB = 75Vdc VCB = 60Vdc Emitter-Base Cutoff Current VEB = 6.0Vdc VEB = 4.0Vdc
Collector-Emitter Cutoff Current VCE = 50Vdc
Symbol
Min. Max. Unit
V(BR)CEO ICBO IEBO ICES
50
Vdc
...