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Website: http: //www.microsemi.com
TECHNICAL DATA SHEET
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions
ON CHARACTERISTICS (2)
Symbol
Forward-Current Transfer Ratio
IC = 0.1mAdc, VCE = 10Vdc
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
Min.
30
50
Max.
Unit
IC = 1.0mAdc, VCE = 10Vdc
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
35 150
75 325
IC = 10mAdc, VCE = 10Vdc
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
hFE
40
100
IC = 150mAdc, VCE = 10Vdc
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
40 120
100 300
IC = 500mAdc, VCE = 10Vdc
2N2221A, L, UA, UB, UBC
2N2222A, L, UA, UB, UBC
Collector-Emitter Saturation Voltage
IC = 150mAdc, IB = 15mAdc
IC = 500mAdc, IB = 50mAdc
Base-Emitter Voltage
IC = 150mAdc, IB = 15mAdc
IC = 500mAdc, IB = 50mAdc
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions
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
Magnitude of Small–Signal Short-Circuit
Forward Current Transfer Ratio
IC = 20mAdc, VCE = 20Vdc, f = 100MHz
Output Capacitance
VCB = 10Vdc, IE = 0, 100kHz ≤ f ≤ 1.0MHz
Input Capacitance
VEB = 0.5Vdc, IC = 0, 100kHz ≤ f ≤ 1.0MHz
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%.
VCE(sat)
VBE(sat)
Symbol
hfe
|hfe|
Cobo
Cibo
Symbol
ton
toff
20
30
0.6
Min.
30
50
2.5
Min.
0.3
1.0
1.2
2.0
Max.
Vdc
Vdc
Unit
8.0 pF
25 pF
Max.
35
300
Unit
ηs
ηs
T4-LDS-0060 Rev. 2 (100247)
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