2SC945 Description

The 2SC945 is a high-frequency OSC NPN audio frequency amplifier transistor. It is an old Japanese bipolar audio NPN transistor, which has been widely used in high-frequency circuits for pre-amplification in amplifier applications.

2SC945 Features

  1.  Power dissipation of 0.4Watts. 

  2.  Collector current of 0.15A.

  3.  Collector-base Voltage: 60 volts

  4.  Operating and storage junction temperature range: -55°C to +150°C • Epoxy has a flammability grade of UL 94 V-0

  5.  Level 1 Moisture Sensitivity

2SC945 Pinout

2SC945 CAD Model

Symbol

Footprint

3D Model

Specifications

Package:TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)

Operating Temperature: -55°C~150°C TJ

Pin Count: 3

Packaging: Tape & Box (TB)

Transistor Type: NPN

Transition Frequency: 150MHz

Number of Terminations: 3

2SC945 Equivalents

2SC2856TRANSISTORS, MPSA56/D26Z{OPTION18}TRANSISTORS, KSC2310-OTRANSISTORS, BC368-16TRANSISTORS, BSS38TRANSISTORS, ZTX455QTRANSISTORS, JC557ATRANSISTORS, BC546BRL1TRANSISTORS, ZTX450TRANSISTORS, BC546B-AMMOTRANSISTORS

Applications

1. Switches with low current

2. Pre-amplifiers

3. Low-power motor H-bridge circuits

4. Circuits for audio frequency amplifiers

5. Oscillator circuits

Where To Use 2SC945

Because it has a low base voltage of 5V, it can be easily controlled by an MCU/MPU if used as a switch. It can switch loads of up to 50 volts. With its complementary A733 PNP transistor, it can also be used as an oscillator.

Package

Manufacturer

Founded in 1991, Micro Commercial Components Corp. (MCC) is a manufacturer of high-quality discrete semiconductors to the consumer markets. It provides diodes, rectifiers, transistors, MOSFETs, voltage regulators and protection devices.

Datasheet

https://pdf.easybom.com/r/datasheets/microcommercialco-2sc945grap-datasheets-7531.pdf

Check out more details on: https://www.easybom.com/blog/a/the-introduction-of-2sc945