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 2N2222A JAN
2N2221AL 2N2222AL JANTX
2N2221AUA 2N2222AUA JANTXV
2N2221AUB 2N2222AUB JANS
2N2221AUBC * 2N2222AUBC *
* Available to JANS quality level only.
ABSOLUTE MAXIMUM RATINGS (T = +25C unless otherwise noted)
C
Parameters / Test Conditions Symbol Value Unit
Collector-Emitter Voltage V 50 Vdc
CEO
Collector-Base Voltage V 75 Vdc
CBO
Emitter-Base Voltage V 6.0 Vdc
EBO
Collector Current I 800 mAdc
C
TO-18 (TO-206AA)
Total Power Dissipation @ T = +25C P 0.5 W
2N2221A, 2N2222A
A T
Operating & Storage Junction Temperature Range T , T -65 to +200 C
op stg
THERMAL CHARACTERISTICS
Parameters / Test Conditions Symbol Max. Unit
Thermal Resistance, Junction-to-Ambient
2N2221A, L 2N2222A, L 325
R C/W
JA
2N2221AUA 2N2222AUA 210
4 PIN
2N2221AUB, UBC 2N2222AUB, UBC 325
2N2221AUA, 2N2222AUA
Note: Consult 19500/255 for thermal performance curves.
1. Derate linearly 3.08mW/C above T > +37.5C
A
2. Derate linearly 4.76mW/C above T > +63.5C
A
ELECTRICAL CHARACTERISTICS (T = +25C, unless otherwise noted)
A
Parameters / Test Conditions Symbol Min. Max. Unit
OFF CHARACTERTICS
Collector-Emitter Breakdown Voltage
V 50 Vdc
(BR)CEO
I = 10mAdc 3 PIN
C
2N2221AUB, 2N2222AUB
Collector-Base Cutoff Current
2N2221AUBC, 2N2222AUBC
V = 75Vdc I 10 Adc
CB CBO
(UBC = Ceramic Lid Version)
V = 60Vdc 10
Adc
CB
Emitter-Base Cutoff Current
V = 6.0Vdc I 10 Adc
EB EBO
V = 4.0Vdc 10
EB Adc
Collector-Emitter Cutoff Current
I 50 Adc
CES
V = 50Vdc
CE
T4-LDS-0060 Rev. 2 (100247) Page 1 of 6
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
ELECTRICAL CHARACTERISTICS (T = +25C, unless otherwise noted)
A
Parameters / Test Conditions Symbol Min. Max. Unit
(2)
ON CHARACTERISTICS
Forward-Current Transfer Ratio
I = 0.1mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 30
C CE
2N2222A, L, UA, UB, UBC 50
I = 1.0mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 35 150
C CE
2N2222A, L, UA, UB, UBC 75 325
I = 10mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 40
C CE h
FE
2N2222A, L, UA, UB, UBC 100
I = 150mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 40 120
C CE
2N2222A, L, UA, UB, UBC 100 300
I = 500mAdc, V = 10Vdc 2N2221A, L, UA, UB, UBC 20
C CE
2N2222A, L, UA, UB, UBC 30
Collector-Emitter Saturation Voltage
V Vdc
I = 150mAdc, I = 15mAdc CE(sat) 0.3
C B
I = 500mAdc, I = 50mAdc 1.0
C B
Base-Emitter Voltage
V Vdc
BE(sat)
I = 150mAdc, I = 15mAdc 0.6 1.2
C B
I = 500mAdc, I = 50mAdc 2.0
C B
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions Symbol Min. Max. Unit
Small-Signal Short-Circuit Forward Current Transfer Ratio
h
fe
I = 1.0mAdc, V = 10Vdc, f = 1.0kHz 2N2221A, L, UA, UB, UBC 30
C CE
2N2222A, L, UA, UB, UBC 50
Magnitude of SmallSignal Short-Circuit
Forward Current Transfer Ratio
|h |
fe
I = 20mAdc, V = 20Vdc, f = 100MHz 2.5
C CE
Output Capacitance
C 8.0 pF
obo
V = 10Vdc, I = 0, 100kHz f 1.0MHz
CB E
Input Capacitance
C 25 pF
ibo
V = 0.5Vdc, I = 0, 100kHz f 1.0MHz
EB C
SWITCHING CHARACTERISTICS
Parameters / Test Conditions Symbol Min. Max. Unit
Turn-On Time
t 35 s
on
See figure 8 of MIL-PRF-19500/255
Turn-Off Time
t 300 s
off
See Figure 9 of MIL-PRF-19500/255
(2) Pulse Test: Pulse Width = 300s, Duty Cycle 2.0%.
T4-LDS-0060 Rev. 2 (100247) Page 2 of 6