2N4123
2N4125
2N4124 NPN
2N4126 PNP
w w w. c e n t r a l s e m i . c o m
COMPLEMENTARY
SILICON TRANSISTORS
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N4123 series
devices are complementary silicon small signal
transistors manufactured by the epitaxial planar
process designed for general purpose amplifier and
switching applications.
MARKING: FULL PART NUMBER
TO-92 CASE
MAXIMUM RATINGS: (TA=25°C unless otherwise noted)
SYMBOL 2N4123 2N4124 2N4125 2N4126
Collector-Base Voltage
VCBO
40
30
30
25
Collector-Emitter Voltage
VCEO
30
25
30
25
Emitter-Base Voltage
VEBO
IC
Continuous Collector Current
Power Dissipation
5.0
5.0
4.0
UNITS
V
V
4.0
V
200
mA
625
mW
1.5
W
PD
PD
TJ, Tstg
-65 to +150
°C
Thermal Resistance
JA
200
°C/W
Thermal Resistance
JC
83.3
°C/W
Power Dissipation (TC=25°C)
Operating and Storage Junction Temperature
ELECTRICAL CHARACTERISTICS: (TA=25°C) 2N4123
SYMBOL TEST CONDITIONS
MIN MAX
ICBO
VCB=20V
50
IEBO
2N4124
MIN MAX
50
2N4125
MIN MAX
50
2N4126
MIN MAX UNITS
50
nA
BVCBO
VEB=3.0V
IC=10μA
BVCEO
IC=1.0mA
30
-
25
-
30
-
25
-
V
BVEBO
IE=10μA
5.0
-
5.0
-
4.0
-
4.0
-
V
VCE(SAT)
IC=50mA, IB=5.0mA
IC=50mA, IB=5.0mA
VBE(SAT)
hFE
hFE
hfe
fT
Cob
Cib
NF
-
50
-
50
-
50
-
50
nA
40
-
30
-
30
-
25
-
V
-
0.3
-
0.3
-
0.4
-
0.4
V
-
0.95
-
0.95
-
0.95
-
0.95
V
VCE=1.0V, IC=2.0mA
VCE=1.0V, IC=50mA
50
150
120
360
50
150
120
360
25
-
60
-
25
-
60
-
VCE=10V, IC=2.0mA, f=1.0kHz
VCE=20V, IC=10mA, f=100MHz
50
200
120
480
50
200
120
480
250
-
300
-
200
-
250
-
MHz
-
4.0
-
4.0
-
4.5
-
4.5
pF
-
8.0
-
8.0
-
10
-
10
pF
-
6.0
-
5.0
-
5.0
-
4.0
dB
VCB=5.0V, IE=0, f=100kHz
VEB=0.5V, IC=0, f=100kHz
VCE=5.0V, IC=100μA, RS=1.0kΩ,
f=10Hz to 15.7kHz
R1 (12-January 2016)
2N4123
2N4125
2N4124 NPN
2N4126 PNP
COMPLEMENTARY
SILICON TRANSISTORS
TO-92 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Emitter
2) Base
3) Collector
MARKING:
FULL PART NUMBER
R1 (12-January 2016)
w w w. c e n t r a l s e m i . c o m
OUTSTANDING SUPPORT AND SUPERIOR SERVICES
PRODUCT SUPPORT
Central’s operations team provides the highest level of support to insure product is delivered on-time.
• Supply management (Customer portals)
• Custom bar coding for shipments
• Inventory bonding
• Custom product packing
• Consolidated shipping options
DESIGNER SUPPORT/SERVICES
Central’s applications engineering team is ready to discuss your design challenges. Just ask.
• Free quick ship samples (2nd day air)
• Special wafer diffusions
• Online technical data and parametric search
• PbSn plating options
• SPICE models
• Package details
• Custom electrical curves
• Application notes
• Environmental regulation compliance
• Application and design sample kits
• Customer specific screening
• Custom product and package development
• Up-screening capabilities
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).
CONTACT US
Corporate Headquarters & Customer Support Team
Central Semiconductor Corp.
145 Adams Avenue
Hauppauge, NY 11788 USA
Main Tel: (631) 435-1110
Main Fax: (631) 435-1824
Support Team Fax: (631) 435-3388
www.centralsemi.com
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www.centralsemi.com/wwreps
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www.centralsemi.com/wwdistributors
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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