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
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/255
T4-LDS-0060 Rev. 1 (080860) Page 1 of 2
DEVICES LEVELS
2N2221A 2N2222A JAN
2N2221AL 2N2222AL JANTX
2N2221AUA 2N2222AUA JANTXV
2N2221AUB 2N2222AUB JANS
2N2221AUBC * 2N2222AUBC * JANHC
* Available to JANS quality level only.
ABSOLUTE MAXIMUM RATI NG S (TC = +25°C unless otherwise noted)
Parameters / Test Conditions Symbol Value Unit
Collector-Emitter Voltage VCEO 50 Vdc
Collector-Base Voltage VCBO 75 Vdc
Emitter-Base Voltage VEBO 6.0 Vdc
Collector Current IC 800 mAdc
Total Power Dissipation @ TA = +25°C PT 0.5 W
Operating & Storage Junction Temperature Range Top, Tstg -65 to +200 °C
THERMAL CHARACTERISTICS
Parameters / Test Conditions Symbol Max. Unit
Thermal Resistance, Junction-to-Ambient RθJA 325 °C/W
Note: Consult 19500/255 for thermal performance curves.
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions Symbol Min. Max. Unit
OFF CHARACTERTICS
Collector-Emitter Breakdown Voltage
IC = 10mAdc V(BR)CEO 50 Vdc
Collector-Base Cutoff Current
VCB = 75Vdc
VCB = 60Vdc ICBO
10
10
μAdc
ηAdc
Emitter-Base Cutoff Current
VEB = 6.0Vdc
VEB = 4.0Vdc IEBO
10
10
μAdc
ηAdc
Collector-Emitter Cutoff Current
VCE = 50Vdc ICES 50 ηAdc
TO-18 (TO-206AA)
2N2221A, 2N2222A
4 PIN
2N2221AUA, 2N2222AUA
3 PIN
2N2221AUB, 2N2222AUB
2N2221AUBC, 2N2222AUBC
(UBC = Ceramic Lid Version)
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
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/255
T4-LDS-0060 Rev. 1 (080860) Page 2 of 2
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions Symbol Min. Max. Unit
ON CHARACTERISTICS (2)
Forward-Current Transfer Ratio
IC = 0.1mAdc, VCE = 10Vdc 2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC 30
50
IC = 1.0mAdc, VCE = 10Vdc 2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC 35
75 150
325
IC = 10mAdc, VCE = 10Vdc 2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC 40
100
IC = 150mAdc, VCE = 10Vdc 2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC 40
100 120
300
IC = 500mAdc, VCE = 10Vdc 2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
hFE
20
30
Collector-Emitter Saturation Voltage
IC = 150mAdc, IB = 15mAdc
IC = 500mAdc, IB = 50mAdc VCE(sat) 0.3
1.0 Vdc
Base-Emitter Voltage
IC = 150mAdc, IB = 15mAdc
IC = 500mAdc, IB = 50mAdc VBE(sat) 0.6
1.2
2.0
Vdc
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions Symbol Min. Max. Unit
Small-Signal Short-Circuit Forward Current Transfer Ratio
IC = 1.0mAdc, VCE = 10Vdc, f = 1.0kHz 2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
hfe 30
50
Magnitude of Small–Signal Short-Circuit
Forward Current Transfer Ratio
IC = 20mAdc, VCE = 20Vdc, f = 100MHz |hfe|
2.5
Output Capacitance
VCB = 10Vdc, IE = 0, 100kHz ≤ f ≤ 1.0MHz Cobo 8.0 pF
Input Capacitance
VEB = 0.5Vdc, IC = 0, 100kHz ≤ f ≤ 1.0MHz Cibo 25 pF
SWITCHING CHARACTERISTICS
Parameters / Test Conditions Sy mbol Min. Max. Unit
Turn-On Time
See figure 8 of MIL-PRF-19500/255 t
on 35
ηs
Turn-Off Time
See Figure 9 of MIL-PRF-19500/255
toff 300
ηs
(2) Pulse Test: Pulse Width = 300μs, Duty Cycle ≤ 2.0%.