2N2221A
2N2222A
SILICON
NPN TRANSISTORS
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N2221A and
2N2222A are silicon NPN epitaxial planar transistors
designed for small signal, general purpose switching
applications.
MARKING: FULL PART NUMBER
MAXIMUM RATINGS: (TA=25°C) SYMBOL UNITS
Collector-Base Voltage VCBO 75 V
Collector-Emitter Voltage VCEO 40 V
Emitter-Base Voltage VEBO 6.0 V
Continuous Collector Current IC 800 mA
Power Dissipation PD 500 mW
Power Dissipation (TC=25°C) PD 1.8 W
Operating and Storage Junction Temperature TJ, Tstg -65 to +200 °C
Thermal Resistance ΘJA 350 °C/W
Thermal Resistance ΘJC 97 °C/W
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
SYMBOL TEST CONDITIONS MIN MAX UNITS
ICBO V
CB=60V 10 nA
ICBO V
CB=60V, TA=150°C 10 μA
ICEV V
CE=60V, VEB=3.0V 10 nA
IEBO V
EB=3.0V 10 nA
BVCBO I
C=10μA 75 V
BVCEO I
C=10mA 40 V
BVEBO I
E=10μA 6.0 V
VCE(SAT) I
C=150mA, IB=15mA 0.3 V
VCE(SAT) I
C=500mA, IB=50mA 1.0 V
VBE(SAT) I
C=150mA, IB=15mA 0.6 1.2 V
VBE(SAT) I
C=500mA, IB=50mA 2.0 V
2N2221A 2N2222A
MIN MAX MIN MAX
hFE V
CE=10V, IC=0.1mA 20 - 35 -
hFE V
CE=10V, IC=1.0mA 25 - 50 -
hFE V
CE=10V, IC=10mA 35 - 75 -
hFE V
CE=10V, IC=10mA, TA=-55°C 15 - 35 -
hFE V
CE=10V, IC=150mA 40 120 100 300
hFE V
CE=1.0V, IC=150mA 20 - 50 -
hFE V
CE=10V, IC=500mA 25 - 40 -
TO-18 CASE
R5 (5-December 2013)
www.centralsemi.com
2N2221A
2N2222A
SILICON
NPN TRANSISTORS
TO-18 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Emitter
2) Base
3) Collector
MARKING: FULL PART NUMBER
ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C) 2N2221A 2N2222A
SYMBOL TEST CONDITIONS MIN MAX MIN MAX UNITS
fT V
CE=20V, IC=20mA, f=100MHz 250 - 300 - MHz
Cob V
CB=10V, IE=0, f=100kHz - 8.0 - 8.0 pF
Cib V
EB=0.5V, IC=0, f=100kHz - 25 - 25 pF
hie V
CE=10V, IC=1.0mA, f=1.0kHz 1.0 3.5 2.0 8.0
hie V
CE=10V, IC=10mA, f=1.0kHz 0.2 1.0 0.25 1.25
hre V
CE=10V, IC=1.0mA, f=1.0kHz - 5.0 - 8.0 x10-4
hre V
CE=10V, IC=10mA, f=1.0kHz - 2.5 - 4.0 x10-4
hfe V
CE=10V, IC=1.0mA, f=1.0kHz 30 150 50 300
hfe V
CE=10V, IC=10mA, f=1.0kHz 50 300 75 375
hoe V
CE=10V, IC=1.0mA, f=1.0kHz 3.0 15 5.0 35 μS
hoe V
CE=10V, IC=10mA, f=1.0kHz 10 100 25 200 μS
rb’Cc V
CB=10V, IE=20mA, f=31.8MHz - 150 - 150 ps
NF VCE=10V, IC=100μA, RS=1.0kΩ, f=1.0kHz - - - 4.0 dB
td V
CC=30V, VBE=0.5V, IC=150mA, IB1=15mA - 10 - 10 ns
tr V
CC=30V, VBE=0.5V, IC=150mA, IB1=15mA - 25 - 25 ns
ts V
CC=30V, IC=150mA, IB1=IB2=15mA - 225 - 225 ns
tf V
CC=30V, IC=150mA, IB1=IB2=15mA - 60 - 60 ns
www.centralsemi.com
R5 (5-December 2013)
For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER,
which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms
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(001)
REQUESTING PRODUCT PLATING
1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number
when ordering (example: 2N2222A PBFREE).
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