Datasheets
2N4123 by:

Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN

Part Details for 2N4123 by Fairchild Semiconductor Corporation

Overview of 2N4123 by Fairchild Semiconductor Corporation

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Applications Consumer Electronics Audio and Video Systems

Price & Stock for 2N4123

Part # Distributor Description Stock Price Buy
Quest Components Bipolar Junction Transistor, NPN Type, TO-92 4
  • 1 $0.9000
$0.9000 Buy Now

Part Details for 2N4123

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2N4123 Part Data Attributes:

2N4123 Fairchild Semiconductor Corporation
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2N4123 Fairchild Semiconductor Corporation Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP
Part Package Code TO-92
Package Description TO-92, 3 PIN
Pin Count 3
Reach Compliance Code unknown
ECCN Code EAR99
Collector Current-Max (IC) 0.2 A
Collector-Emitter Voltage-Max 30 V
Configuration SINGLE
DC Current Gain-Min (hFE) 25
JEDEC-95 Code TO-92
JESD-30 Code O-PBCY-T3
JESD-609 Code e0
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape ROUND
Package Style CYLINDRICAL
Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 0.35 W
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE
Terminal Position BOTTOM
Transistor Application SWITCHING
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 250 MHz

Alternate Parts for 2N4123

This table gives cross-reference parts and alternative options found for 2N4123. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 2N4123, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
2N4123BU Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE PACKAGE-3 Fairchild Semiconductor Corporation 2N4123 vs 2N4123BU
2N4123-AP Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 Micro Commercial Components 2N4123 vs 2N4123-AP
2N4123STOA Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 Diodes Incorporated 2N4123 vs 2N4123STOA
2N4123 Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, Continental Device India Ltd 2N4123 vs 2N4123
2N4123-T/R TRANSISTOR 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC PACKAGE-3, BIP General Purpose Small Signal NXP Semiconductors 2N4123 vs 2N4123-T/R
2N4123L Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 Zetex / Diodes Inc 2N4123 vs 2N4123L
2N4123TFR Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE PACKAGE-3 Rochester Electronics LLC 2N4123 vs 2N4123TFR
2N4123RL 200mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, TO-226AA, 3 PIN onsemi 2N4123 vs 2N4123RL
2N4123 Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, Loras Industries Inc 2N4123 vs 2N4123
2N4123STZ Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 Diodes Incorporated 2N4123 vs 2N4123STZ
Part Number Description Manufacturer Compare
2N4123BU Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE PACKAGE-3 Fairchild Semiconductor Corporation 2N4123 vs 2N4123BU
2N4123-AP Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 Micro Commercial Components 2N4123 vs 2N4123-AP
2N4123 Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, Continental Device India Ltd 2N4123 vs 2N4123
2N4123RL 200mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, TO-226AA, 3 PIN onsemi 2N4123 vs 2N4123RL
2N4123STZ Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 Diodes Incorporated 2N4123 vs 2N4123STZ
2N4123TRE Small Signal Bipolar Transistor, 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, Central Semiconductor Corp 2N4123 vs 2N4123TRE
2N4123RL1 200mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, TO-226AA, 3 PIN onsemi 2N4123 vs 2N4123RL1
2N4123-T/R TRANSISTOR 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC PACKAGE-3, BIP General Purpose Small Signal NXP Semiconductors 2N4123 vs 2N4123-T/R
2N4123-AMMO TRANSISTOR 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, BIP General Purpose Small Signal NXP Semiconductors 2N4123 vs 2N4123-AMMO
2N4123TFR Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE PACKAGE-3 Fairchild Semiconductor Corporation 2N4123 vs 2N4123TFR

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