Transistor - 2N4125, Silicon, TO-92 case, PNP

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Transistor - 2N4125, Silicon, TO-92 case, PNP

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The 2N4125 is a general purpose silicon NPN transistor in a TO-92 case. The 2N4125 is primarily intended for general purpose amplification. It is a popular choice for silicon fuzz pedals due to its low hFE specifications. It has also been used in a variety of classic pedals such as the Phase 90.


Collector Capacitance5 pF
Max. Collector-Base Voltage30 V
Max. Collector-Emitter Voltage30 V
Max. Collector Current0.2 A
Max. Collector Power Dissipation0.31 W
Max. Emitter-Base Voltage4 V
Max. Operating Junction Temperature135 °C
Transition Frequency200 MHz
Typ. Forward Current Transfer Ratio (hFE)50-150
Packaging Information
Packaging Dimensions0.185 in. × 0.14 in. × 0.75 in.
Weight (Packaging)0.002 lbs.
PNG: PinoutAll Models

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Specifications, Files, and Documents

PNG: Pinout Pinout5.24 KB
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