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2SC945A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
2SC945ANEC1907Yes

2SC945A** is a general-purpose NPN bipolar junction transistor (BJT) manufactured by **NEC**.

The 2SC945A is a general-purpose NPN bipolar junction transistor (BJT) manufactured by NEC. Below are its key specifications, descriptions, and features:

Manufacturer: NEC (Nippon Electric Company)

Description:

The 2SC945A is a low-power, high-gain NPN transistor designed for general-purpose amplification and switching applications. It is commonly used in audio amplifiers, signal processing circuits, and small switching applications.

Key Specifications:

  • Transistor Type: NPN
  • Maximum Collector-Base Voltage (VCBO): 60V
  • Maximum Collector-Emitter Voltage (VCEO): 50V
  • Maximum Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA (max)
  • Power Dissipation (Ptot): 250mW (max)
  • DC Current Gain (hFE): 90 to 600 (varies with operating conditions)
  • Transition Frequency (fT): 250MHz (typical)
  • Operating Temperature Range: -55°C to +150°C

Features:

  • High current gain (hFE) for improved signal amplification
  • Low noise performance, suitable for audio applications
  • Fast switching speed for digital circuits
  • Compact TO-92 package for easy PCB mounting

Applications:

  • Audio amplifiers
  • Signal amplification
  • Switching circuits
  • Oscillators
  • Driver stages in electronic circuits

This transistor is widely used in consumer electronics, communication devices, and industrial control systems due to its reliability and performance.

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