2SC945 C945 50V 0.15A Bipolar NPN Transistor

Bipolar NPN Transistor is an age-old Japanese Bipolar audio frequency NPN transistor. 2SC945 50V NPN transistor has a decent gain value (hfe) of maximum 700 and is highly linear. Hence this bipolar transistor was widely used in amplifier applications for pre-amplifying purpose, in high-frequency circuits. This NPN junction transistor is also used as oscillators with is complementary A733 PNP transistor.
When used as a switch it can easily be controlled by an MCU/MPU since it has a base voltage of only 5V. C945 transistor NPN can switch loads up to 50V but has a very low collector current rating of the only 150mA so this transistor is not really a good choice to be used as a switch. A better alternative for switching applications will be 2N2222.

Features Of 2SC945 Best Bipolar NPN Transistor:

• 2sc925 well known as C945 NPN transistor.
• Max Voltage Collector Emmiter=50 V.
• Max Collector current=150 mA.
• Collector power dissipation: 400 mW.
• Japanese High-frequency amplifier NPN Transistor.
• Current Gain (hFE) is 70 to 700 (high linearity).
• Continuous Collector current (IC) is 150mA.
• Collector-Emitter voltage (VCEO) is 50 V.
• Collector-Base voltage (VCB0) is 60V.
• Emitter Base Voltage (VBE0) is 5V.
• Transition Frequency is 150MHz.

Specifications Of Amplifier High-Frequency OSC NPN Transistor:

1. Type of transistor: NPN
2. Polarisation: Bipolar
3. Collector-Base Breakdown Voltage: 60V
4. Collector-Emitter Breakdown Voltage: 50V
5. Collector current: 150mA
6. Power: 250mW
7. Case: TO92
8. Mounting: THT
9. Frequency: 250MHz

Pin Description:

1. Emitter: Current Drains out through emitter, normally connected to ground
2. Collector: Current flows in through collector, normally connected to load
3. Base: Controls the biasing of the transistor, Used to turn ON or OFF the transistor

Applications:

• Low current switches
• Pre-amplifiers
• H-bridge circuits for low power motors
• Audio frequency amplifier circuits
• Oscillator circuits

Package Includes:

• 1 x 2SC945 Bipolar NPN Transistor

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