TECHNICAL DATA
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/255
Devices Qualified Level
2N2221A
2N2221AL
2N2221AUA
2N2221AUB
2N2222A
2N2222AL
2N2222AUA
2N2222AUB
JAN
JANTX
JANTXV
JANS
JANHC
MAXIMUM RATINGS
Ratings Symbol All Types 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 = +250C
2N2221A, L; 2N2222A, L (1)
2N2221AUA; 2N2222AUA (2)
2N2221AUB; 2N2222AUB (1)
PT
0.5
0.65
0.50
W
Operating & Storage Junction Temperature Range Top, Tstg -65 to +200 0C
THERMAL CHARACTERISTICS
Characteristics Symbol Max. Unit
Thermal Resistance, Junction-to-Ambient
2N2221A, L; 2N2222A, L
2N2221AUA; 2N2222AUA
2N2221AUB; 2N2222AUB
RθJA
325
210
325
0C/W
1) Derate linearly 3.08 mW/0C above TA > +37.50C
2) Derate linearly 4.76 mW/0C above TA > +63.50C
TO-18* (TO-206AA)
2N2221A, 2N2222A
4 PIN*
2N2221AUA, 2N2222AUA
3 PIN*
2N2221AUB, 2N2222AUB
*See appendix A for package
outline
ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted)
Characteristics Symbol Min. Max. Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
IC = 10 mAdc V(BR)CEO 50 Vdc
Collector-Base Cutoff Current
VCB= 75 Vdc
VCB= 60 Vdc
ICBO
10
10
µAdc
ηAdc
Emitter-Base Cutoff Current
VEB = 6.0 Vdc
VEB = 4.0 Vdc IEBO
10
10
µAdc
ηAdc
Collector-Base Cutoff Current
VCE = 50 Vdc ICES 50 ηAdc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
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2N2221A, 2N2221AUA, 2N2221AUB, 2N2222A, 2N2222AUA, 2N2222AUB JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics Symbol Min. Max. Unit
ON CHARACTERISTICS (3)
Forward-Current Transfer Ratio
IC = 0.1 mAdc, VCE = 10 Vdc 2N2221A, L, UA, UB
2N2222A, L, UA, UB
IC = 1.0 mAdc, VCE = 10 Vdc 2N2221A, L, UA, UB
2N2222A, L, UA, UB
IC = 10 mAdc, VCE = 10 Vdc 2N2221A, L, UA, UB
2N2222A, L, UA, UB
IC = 150 mAdc, VCE = 10 Vdc 2N2221A, L, UA, UB
2N2222A, L, UA, UB
IC = 500 mAdc, VCE = 10 Vdc 2N2221A, L, UA, UB
2N2222A, L, UA, UB
hFE
30
50
35
75
40
100
40
100
20
30
150
325
120
300
Collector-Emitter Saturation Voltage
IC = 150 mAdc, IB = 15 mAdc
IC = 500 mAdc, IB = 50 mAdc VCE(sat)
0.3
1.0 Vdc
Base-Emitter Voltage
IC = 150 mAdc, IB = 15 mAdc
IC = 500 mAdc, IB = 50 mAdc VBE(sat) 0.6
1.2
2.0 Vdc
DYNAMIC CHARACTERISTICS
Small-Signal Short-Circuit Forward Current Transfer Ratio
IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz 2N2221A, L, UA, UB
2N2222A, L, UA, UB
hfe 30
50
Magnitude of Small-Signal Short-Circuit
Forward Current Transfer Ratio
IC = 20 mAdc, VCE = 20 Vdc, f = 100 MHz hfe 2.5
Output Capacitance
VCB = 10 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz Cobo 8.0 pF
Input Capacitance
VEB = 0.5 Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0 MHz Cibo 25 pF
SWITCHING CHARACTERISTICS
Turn-On Time
See Figure 8 of MIL-PRF-19500/255 ton 35 ηs
Turn-Off Time
See Figure 9 of MIL-PRF-19500/255 toff 300 ηs
(3) Pulse Test: Pulse Width = 300µs, Duty Cycle ≤ 2.0%.
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
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