TECHNICAL DATA
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/255
Devices
2N2221A
2N2221AL
2N2221AUA
2N2221AUB
Qualified Level
JAN
JANTX
JANTXV
JANS
JANHC
2N2222A
2N2222AL
2N2222AUA
2N2222AUB
MAXIMUM RATINGS
Ratings
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Total Power Dissipation @ T
A
= +25
0
C
2N2221A, L; 2N2222A, L
(1)
2N2221AUA; 2N2222AUA
(2)
2N2221AUB; 2N2222AUB
(1)
Operating & Storage Junction Temperature Range
Symbol
V
CEO
V
CBO
V
EBO
I
C
P
T
T
op
,
T
stg
Symbol
R
θ
JA
All Types
50
75
6.0
800
0.5
0.65
0.50
-65 to +200
Max.
325
210
325
Unit
Vdc
Vdc
Vdc
mAdc
W
TO-18* (TO-206AA)
2N2221A, 2N2222A
0
C
THERMAL CHARACTERISTICS
Characteristics
Thermal Resistance, Junction-to-Ambient
2N2221A, L; 2N2222A, L
2N2221AUA; 2N2222AUA
2N2221AUB; 2N2222AUB
1) Derate linearly 3.08 mW/
0
C above T
A
> +37.5
0
C
2) Derate linearly 4.76 mW/
0
C above T
A
> +63.5
0
C
Unit
0
4 PIN*
2N2221AUA, 2N2222AUA
C/W
3 PIN*
2N2221AUB, 2N2222AUB
*See appendix A for package
outline
ELECTRICAL CHARACTERISTICS (T
A
= 25
0
C unless otherwise noted)
Characteristics
Symbol
V
(BR)
CEO
I
CBO
Min.
50
10
10
10
10
50
Max.
Unit
Vdc
µAdc
ηAdc
µAdc
ηAdc
ηAdc
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
I
C
= 10 mAdc
Collector-Base Cutoff Current
V
CB
= 75 Vdc
V
CB
= 60 Vdc
Emitter-Base Cutoff Current
V
EB
= 6.0 Vdc
V
EB
= 4.0 Vdc
Collector-Base Cutoff Current
V
CE
= 50 Vdc
I
EBO
I
CES
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2
2N2221A, 2N2221AUA, 2N2221AUB, 2N2222A, 2N2222AUA, 2N2222AUB JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics
Symbol
Min.
Max.
Unit
ON CHARACTERISTICS
(3)
Forward-Current Transfer Ratio
I
C
= 0.1 mAdc, V
CE
= 10 Vdc
I
C
= 1.0 mAdc, V
CE
= 10 Vdc
I
C
= 10 mAdc, V
CE
= 10 Vdc
I
C
= 150 mAdc, V
CE
= 10 Vdc
I
C
= 500 mAdc, V
CE
= 10 Vdc
Collector-Emitter Saturation Voltage
I
C
= 150 mAdc, I
B
= 15 mAdc
I
C
= 500 mAdc, I
B
= 50 mAdc
Base-Emitter Voltage
I
C
= 150 mAdc, I
B
= 15 mAdc
I
C
= 500 mAdc, I
B
= 50 mAdc
2N2221A, L, UA, UB
2N2222A, L, UA, UB
2N2221A, L, UA, UB
2N2222A, L, UA, UB
2N2221A, L, UA, UB
2N2222A, L, UA, UB
2N2221A, L, UA, UB
2N2222A, L, UA, UB
2N2221A, L, UA, UB
2N2222A, L, UA, UB
h
FE
30
50
35
75
40
100
40
100
20
30
150
325
120
300
V
CE(sat)
0.6
0.3
1.0
1.2
2.0
Vdc
V
BE(sat)
Vdc
DYNAMIC CHARACTERISTICS
Small-Signal Short-Circuit Forward Current Transfer Ratio
I
C
= 1.0 mAdc, V
CE
= 10 Vdc, f = 1.0 kHz 2N2221A, L, UA, UB
2N2222A, L, UA, UB
Magnitude of Small-Signal Short-Circuit
Forward Current Transfer Ratio
I
C
= 20 mAdc, V
CE
= 20 Vdc, f = 100 MHz
Output Capacitance
V
CB
= 10 Vdc, I
E
= 0, 100 kHz
≤
f
≤
1.0 MHz
Input Capacitance
V
EB
= 0.5 Vdc, I
C
= 0, 100 kHz
≤
f
≤
1.0 MHz
h
fe
30
50
2.5
8.0
25
pF
pF
h
fe
C
obo
C
ibo
SWITCHING CHARACTERISTICS
Turn-On Time
See Figure 8 of MIL-PRF-19500/255
Turn-Off Time
See Figure 9 of MIL-PRF-19500/255
(3) Pulse Test: Pulse Width = 300µs, Duty Cycle
≤
2.0%.
t
on
35
300
ηs
ηs
t
off
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 2 of 2
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