Collector-Emitter Voltage VcEO Collector-Base Voltage VcBO E
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Rating Symbol 2N2221 2N2222 2N2221A 2N2222A Unit
Collector-Emitter Voltage VcEO
Collector-Base Voltage VcBO
Emitter-Base Voltage VEBO
Collector Current Continuous mAdc
Total Device Dissipation 25UC Derate above 2.28 Watts
Total Device Dissipation 25"C Derate above 6.85 Watts
Operating Storage Junction Temperature Range Tslg +200
2N2221 2N2221A* 2N2222 2N2222A*
*also available JAN, JANTX, JANTXV
GENERAL PURPOSE TRANSISTORS SILICON
TO-18
ELECTRICAL CHARACTERISTICS unless otherwise noted)
Characteristics Symbol Unit
CHARACTERISTICS
Collector-Emitter Breakdown Voltage mAdc, 2N2221, 2N2222 2N2221A, 2N2222A V(BR)CEO
Collector-Base Breakdown Voltage nAdc, 2N2221, 2N2222 2N2221A, 2N2222A V(BR)CBO
Emitter-Base Breakdown Voltage nAdc, 2N2221, 2N2222 2N2221A, 2N2222A V(BR)EBO
Collector Cutoff Current 60Vdc, VEB(om 2N2221 2N2222A IcEX nAdc
Collector Cutoff Current Vdc, Vdc, Vdc, Vdc, 2N2221, 2N2222 2N2221A, 2N2222A 2N2221, 2N2222 2N2221A, 2N2222A 'cBO 0.01 0.01
Emitter Cutoff Current Vdc, 2N2221A, 2N2222A 'ebo nAdc
Base Cutoff Current 60Vdc, VEB(om 2N2221A, 2N2222A nAdc
CHARACTERISTICS
Current Gain
mAdc, 2N2221, 2N2221A
2N2222, 2N2222A
mAdc, 2N2221, 2N2221A
2N2222, 2N2222A
mAdc, 2N2221, 2N2221A
2N2222, 2N2222A
mAdc, Vdc, 2N2221A
2N2222A
mAdc, 2N2221, 2N2221A
2N2222, 2N2222A
mAdc, 2N2221, 2N2221A
2N2222, 2N2222A
mAdc, 2N2221
2N2222
2N2221A
2N2222A
Lake Street Lawrence, 01841
ENGLAND SEMICONDUCTOR 1WW1158 (978) 794.1666 FAX: (978) 689-0803
T4-4.8-860-346 REV:
2N2221 2N2221A* 2N2222 2N2222A*
also available JAN, JANTX, JANTXV
ELECTRICAL CHARACTERISTICS unless otherwise noted) continued
Characteristics
Symbol
Unit
CHARACTERISTICS (CONTINUED)
Collector-Emitter Saturation Voltage VcE(sat)
mAdc, mAdc 2N2221, 2N2222
2N2221 2N2222A
mAdc, mAdc 2N2221, 2N2222
2N2221A, 2N2222A
Base-Emitter Saturation Voltage ^BF(sat)
mAdc, mAdc 2N2221. 2N2222
2N2221A. 2N2222A
mAdc, mAdc 2N2221. 2N2222
2N2221 2N2222A
SMALL-SIGNAL CHARACTERISTICS
Current-Gain Bandwidth Product mAdc, Vdc, 2N2221A 2N2222A
Output Capacitance Vdc, Cobo
Input Capacitance Vdc, 2N2221, 2N2222 2N2221A. 2N2222A Cibo
Input Impedance mAdc, Vdc. 2N2221A 2N2222A mAdc, Vdc, 2N2221A 2N2222A 0.25 1.25 kohms
Small-Signal Current Gain mAdc, Vdc, 2N2221A 2N2222A mAdc, Vdc, 2N2221A
Noise Figure nAdc, VrF= Vdc, kohm, 2N2222A
SWITCHING CHARACTERISTICS
Delay time 30Vdc, VBE(o(1) Vdc, mAdc, mAdc
Rise Time
Storage Time Vdc, mAdc, mAdc
Fall Time
(1)Pulse Test: Pulse Width 300ns, Duty Cycle <2.0%.
defined frequency which extrapolates unity.
ENGLAND SEMICONDUCTOR
Lake Street 1-800-446-1158
Lawrence, (978)794-1666
01841
FAX: (978)689-0803
T4-4.8-860-346 REV:
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