
Transistor/MOSFET
2SC945 NPN Transistor
The 2SC945 is a general-purpose NPN bipolar junction transistor (BJT) in a TO-92 package, ideal for audio frequency amplification and low-speed switching applications.
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About 2SC945 NPN Transistor
The 2SC945 is a widely used Japanese NPN silicon epitaxial planar transistor, designed for driver stages in AF amplifiers and low-speed switching circuits. It features a high DC current gain (hFE) of up to 700, ensuring excellent linearity for audio applications. With a collector-emitter voltage of 40V and a continuous collector current of 150mA, it is suitable for various low-power electronic projects. This transistor is known for its reliability and is commonly used in electronic toys, signal amplification, and general-purpose switching. Choose this component for its proven performance, wide availability, and compatibility with numerous legacy and modern circuit designs.
Technical Specifications
| Transistor Type | NPN |
|---|---|
| Maximum Collector-Emitter Voltage (Vceo) | 40V |
| Maximum Collector-Base Voltage (Vcbo) | 50V |
| Maximum Emitter-Base Voltage (Vebo) | 5V |
| Continuous Collector Current (Ic) | 150mA |
| Power Dissipation (Pd) | 400mW |
| DC Current Gain (hFE) | 130 - 700 (Min 130 @ 1mA, 6V) |
| Collector Cutoff Current (Icbo) | 0.1µA (Max) |
| Package / Case | TO-92 |
| Operating Temperature Range | -55°C to 150°C |
| Pin Configuration | 1-Emitter, 2-Collector, 3-Base (Standard TO-92) |
Component Datasheet
Download the official datasheet for 2SC945 NPN Transistor
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