2SC3194 N-Channel Transistor 40V 0.2A

The 2SC3194 N-Channel Transistor 40V 0.2A is a high-quality, low-power transistor designed for signal amplification, fast switching, and general-purpose electronic applications. Engineered to deliver stable electrical performance, low noise, and high switching speed, this transistor is widely used in communication circuits, audio preamplifiers, RF modules, consumer electronics, and a variety of low-current digital interfaces. The 2SC3194 N-Channel Transistor 40V 0.2A offers excellent gain characteristics and reliable operation, making it an essential component for technicians, engineers, and students working on analog and digital projects.

With a collector-emitter voltage rating of 40V and a collector current capacity of 0.2A, this transistor is ideal for low-power signal-level tasks. Its compact package ensures compatibility with breadboards and PCBs, making it a convenient choice for prototyping, circuit repairs, and educational experiments. The device’s low saturation voltage enables efficient signal transfer, while its high-frequency response supports use in RF and high-speed switching applications.

The transistor’s stable gain (hFE) and smooth frequency characteristics make it especially useful in small amplifiers, buffer stages, oscillators, and switching circuits where precision and reliability are essential. Its robust construction ensures long-term performance in a variety of environments.

Key Features

• High-performance 2SC3194 N-Channel Transistor 40V 0.2A for low-power electronic circuits

• Low noise design ideal for audio and communication applications

• Fast switching capability for digital and RF circuits

• Low saturation voltage improves efficiency

• Suitable for breadboards and PCBs due to compact form factor

• Stable gain and predictable frequency response

• Excellent for general-purpose signal amplification

• Reliable long-term performance

Applications

The 2SC3194 N-Channel Transistor 40V 0.2A is ideal for:

• Audio preamplifiers and small-signal amplifiers

• High-speed switching circuits

• Radio-frequency (RF) modules and antenna drivers

• Oscillators and waveform generation

• Digital interface and logic-level switching

• Signal conditioning circuits

• Consumer electronics and communication equipment

• Academic labs and DIY electronic projects

Data Sheet (Technical Specifications)

• Model: 2SC3194

• Type: NPN (N-Channel Bipolar Junction Transistor)

• Package: TO-92 or SOT-23 (variant dependent)

• Collector-Emitter Voltage (Vce): 40V

• Collector Current (Ic): 0.2A (200mA max)

• Power Dissipation: ~300mW (depends on package)

• DC Current Gain (hFE): 70–240 (frequency and current-dependent)

• Transition Frequency (ft): Typically > 100MHz

• Saturation Voltage (Vce(sat)): Very low

• Noise Figure: Low, suitable for audio circuits

• Operating Temperature Range: –55°C to +150°C

• Pin Configuration (TO-92):

  • Pin 1: Emitter

  • Pin 2: Collector

  • Pin 3: Base

Benefits

• Provides efficient low-noise amplification for analog signals

• Fast switching enables use in high-speed digital and RF circuits

• Wide voltage compatibility for versatile circuit integration

• Compact and reliable for both prototyping and production design

• Ideal component for education, research, and repair work

• Enhanced signal clarity due to low noise and stable gain

Why Choose This Model?

is a versatile and dependable transistor that performs exceptionally well in low-power amplification and switching applications. Its high-frequency response, stable electrical characteristics, and low noise make it suitable for communication equipment, audio devices, precision circuits, and consumer electronics. Whether you are designing a high-speed switching stage, building an RF module, or developing an audio preamplifier, this transistor provides outstanding performance with long-lasting reliability.