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
DEVICES
LEVELS
2N2221A
2N2221AL
2N2221AUA
2N2221AUB
2N2221AUBC *
*
Available to JANS quality level only.
2N2222A
2N2222AL
2N2222AUA
2N2222AUB
2N2222AUBC *
JAN
JANTX
JANTXV
JANS
JANHC
ABSOLUTE MAXIMUM RATINGS
(T
C
= +25°C unless otherwise noted)
Parameters / Test Conditions
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Total Power Dissipation @ T
A
= +25°C
Operating & Storage Junction Temperature Range
Symbol
V
CEO
V
CBO
V
EBO
I
C
P
T
T
op
, T
stg
Value
50
75
6.0
800
0.5
-65 to +200
Unit
Vdc
Vdc
Vdc
mAdc
W
°C
TO-18 (TO-206AA)
2N2221A, 2N2222A
THERMAL CHARACTERISTICS
Parameters / Test Conditions
Thermal Resistance, Junction-to-Ambient
Symbol
R
θJA
Max.
325
Unit
°C/W
Note:
Consult 19500/255 for thermal performance curves.
4 PIN
ELECTRICAL CHARACTERISTICS
(T
A
= +25°C, unless otherwise noted)
Parameters / Test Conditions
OFF CHARACTERTICS
Collector-Emitter Breakdown Voltage
I
C
= 10mAdc
Collector-Base Cutoff Current
V
CB
= 75Vdc
V
CB
= 60Vdc
Emitter-Base Cutoff Current
V
EB
= 6.0Vdc
V
EB
= 4.0Vdc
Collector-Emitter Cutoff Current
V
CE
= 50Vdc
V
(BR)CEO
I
CBO
50
10
10
10
10
50
Vdc
μAdc
ηAdc
μAdc
ηAdc
ηAdc
2N2221AUA, 2N2222AUA
Symbol
Min.
Max.
Unit
3 PIN
2N2221AUB, 2N2222AUB
2N2221AUBC, 2N2222AUBC
(UBC = Ceramic Lid Version)
I
EBO
I
CES
T4-LDS-0060 Rev. 1 (080860)
Page 1 of 2
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
ELECTRICAL CHARACTERISTICS
(T
A
= +25°C, unless otherwise noted)
Parameters / Test Conditions
ON CHARACTERISTICS
(2)
Forward-Current Transfer Ratio
I
C
= 0.1mAdc, V
CE
= 10Vdc
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
V
CE(sat)
h
FE
30
50
35
75
40
100
40
100
20
30
0.3
1.0
0.6
1.2
2.0
Max.
30
50
Vdc
120
300
150
325
Symbol
Min.
Max.
Unit
I
C
= 1.0mAdc, V
CE
= 10Vdc
I
C
= 10mAdc, V
CE
= 10Vdc
I
C
= 150mAdc, V
CE
= 10Vdc
I
C
= 500mAdc, V
CE
= 10Vdc
Collector-Emitter Saturation Voltage
I
C
= 150mAdc, I
B
= 15mAdc
I
C
= 500mAdc, I
B
= 50mAdc
Base-Emitter Voltage
I
C
= 150mAdc, I
B
= 15mAdc
I
C
= 500mAdc, I
B
= 50mAdc
V
BE(sat)
Vdc
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions
Small-Signal Short-Circuit Forward Current Transfer Ratio
I
C
= 1.0mAdc, V
CE
= 10Vdc, f = 1.0kHz
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
Magnitude of Small–Signal Short-Circuit
Forward Current Transfer Ratio
I
C
= 20mAdc, V
CE
= 20Vdc, f = 100MHz
Output Capacitance
V
CB
= 10Vdc, I
E
= 0, 100kHz
≤
f
≤
1.0MHz
Input Capacitance
V
EB
= 0.5Vdc, I
C
= 0, 100kHz
≤
f
≤
1.0MHz
C
ibo
25
pF
C
obo
8.0
pF
Symbol
h
fe
Min.
Unit
|h
fe
|
2.5
SWITCHING CHARACTERISTICS
Parameters / Test Conditions
Turn-On Time
See figure 8 of MIL-PRF-19500/255
Turn-Off Time
See Figure 9 of MIL-PRF-19500/255
(2) Pulse Test: Pulse Width = 300μs, Duty Cycle
≤
2.0%.
T4-LDS-0060 Rev. 1 (080860)
Page 2 of 2
Symbol
t
on
t
off
Min.
Max.
35
300
Unit
ηs
ηs