2SC945 NPN General Purpose Transistor
Package TO-92 Series 2SC
2SC945 overview
The 2SC945 is an NPN General Purpose Transistor made by Unisonic Technologies, supplied in a TO-92 package. Main ratings: Maximum Collector-Base Voltage |Vcb| 50 V; Maximum Collector-Emitter Voltage |Vce| 40 V; Maximum Emitter-Base Voltage |Veb| 5 V; Transition Frequency (ft): 125 MHz. The absolute maximum ratings table on this page lists the 3 limits from the manufacturer's datasheet that must not be exceeded. Possible alternatives include 2SA733; always compare the datasheets before substituting. This page brings together the 2SC945 pinout, key specifications and maximum ratings, with the full datasheet PDF to preview below or download.
Key specifications
Maximum Collector-Base Voltage |Vcb|
50 V
Maximum Collector-Emitter Voltage |Vce|
40 V
Maximum Emitter-Base Voltage |Veb|
5 V
Transition Frequency (ft):
125 MHz
Datasheet
2sc945.pdf
2SC945 features
- Collector-Emitter voltage: BVCBO=50V
- Collector current up to 150mA
- High hFE linearity
2SC945 pinout
| Pin | Description |
|---|---|
| 1 | Emitter |
| 2 | Collector |
| 3 | Base |
Absolute maximum ratings
| Parameter | Value | Unit |
|---|---|---|
| Emitter-Base Voltage | 5 | V |
| Collector Dissipation (Ta=25°C) P | 250 | mW |
| Collector Current | 150 | mA |
2SC945 alternatives and equivalents
- 2SA733
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