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2N4123

P1-P3
2N4123 2N4124 NPN
2N4125 2N4126 PNP
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
MAXIMUM RATINGS: (T
A
=25°C unless otherwise noted)
SYMBOL 2N4123 2N4124 2N4125 2N4126 UNITS
Collector-Base Voltage V
CBO
40 30 30 25 V
Collector-Emitter Voltage V
CEO
30 25 30 25 V
Emitter-Base Voltage V
EBO
5.0 5.0 4.0 4.0 V
Continuous Collector Current I
C
200 mA
Power Dissipation P
D
625 mW
Power Dissipation (T
C
=25°C) P
D
1.5 W
Operating and Storage Junction Temperature T
J
, T
stg
-65 to +150 °C
Thermal Resistance
JA
200 °C/W
Thermal Resistance
JC
83.3 °C/W
ELECTRICAL CHARACTERISTICS: (T
A
=25°C) 2N4123 2N4124 2N4125 2N4126
SYMBOL TEST CONDITIONS MIN MAX MIN MAX MIN MAX MIN MAX UNITS
I
CBO
V
CB
=20V - 50 - 50 - 50 - 50 nA
I
EBO
V
EB
=3.0V - 50 - 50 - 50 - 50 nA
BV
CBO
I
C
=10μA 40 - 30 - 30 - 25 - V
BV
CEO
I
C
=1.0mA 30 - 25 - 30 - 25 - V
BV
EBO
I
E
=10μA 5.0 - 5.0 - 4.0 - 4.0 - V
V
CE(SAT)
I
C
=50mA, I
B
=5.0mA - 0.3 - 0.3 - 0.4 - 0.4 V
V
BE(SAT)
I
C
=50mA, I
B
=5.0mA - 0.95 - 0.95 - 0.95 - 0.95 V
h
FE
V
CE
=1.0V, I
C
=2.0mA 50 150 120 360 50 150 120 360
h
FE
V
CE
=1.0V, I
C
=50mA 25 - 60 - 25 - 60 -
h
fe
V
CE
=10V, I
C
=2.0mA, f=1.0kHz 50 200 120 480 50 200 120 480
f
T
V
CE
=20V, I
C
=10mA, f=100MHz 250 - 300 - 200 - 250 - MHz
C
ob
V
CB
=5.0V, I
E
=0, f=100kHz - 4.0 - 4.0 - 4.5 - 4.5 pF
C
ib
V
EB
=0.5V, I
C
=0, f=100kHz - 8.0 - 8.0 - 10 - 10 pF
NF V
CE
=5.0V, I
C
=100μA, R
S
=1.0kΩ,
f=10Hz to 15.7kHz - 6.0 - 5.0 - 5.0 - 4.0 dB
TO-92 CASE
R1 (12-January 2016)
www.centralsemi.com
2N4123 2N4124 NPN
2N4125 2N4126 PNP
COMPLEMENTARY
SILICON TRANSISTORS
LEAD CODE:
1) Emitter
2) Base
3) Collector
MARKING:
FULL PART NUMBER
TO-92 CASE - MECHANICAL OUTLINE
www.centralsemi.com
R1 (12-January 2016)
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
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
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
Worldwide Field Representatives:
www.centralsemi.com/wwreps
Worldwide Distributors:
www.centralsemi.com/wwdistributors
DESIGNER SUPPORT/SERVICES
Central’s applications engineering team is ready to discuss your design challenges. Just ask.
• Free quick ship samples (2
nd
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
(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).
www.centralsemi.com
P1-P3

2N4123

Mfr. #:
Buy 2N4123
Manufacturer:
Central Semiconductor
Description:
Bipolar Transistors - BJT . .
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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