2SC1318 Transistor Pinout, Equivalent, Features, Applications and Other Information


The 2SC1318 is a widely used NPN silicon transistor. Here's the information you requested:


The pinout configuration of the 2SC1318 transistor is as follows:

  1. Base (B)
  2. Collector (C)
  3. Emitter (E)


Equivalent Transistors:

The 2SC1318 transistor has several equivalent counterparts that can be used as replacements in circuits. Some common equivalents include:

  • 2SC1317
  • 2SC815
  • 2SC2712
  • 2SC2794
  • BC337

When selecting an equivalent transistor, it's important to refer to the datasheets to ensure compatibility and proper substitution.


Here are some key features of the 2SC1318 transistor:

  • Polarity: NPN (Negative-Positive-Negative)
  • Power Dissipation: The maximum power dissipation of the transistor is typically around 600 mW.
  • Collector Current: The maximum collector current (Ic) that the transistor can handle is approximately 100 mA.
  • Collector-Base Voltage: The maximum voltage that can be applied across the collector-base junction is typically around 120 V.
  • Transition Frequency: The 2SC1318 has a transition frequency (ft) of approximately 80 MHz, indicating its capability for higher frequency applications.
  • Low Noise: It is known for its low noise characteristics, making it suitable for applications requiring minimal signal distortion.


The 2SC1318 transistor finds applications in a wide range of electronic circuits, including:

  1. Amplifier Circuits: It can be used as a small-signal amplifier in audio amplifiers, preamplifiers, and other low-power signal processing circuits.
  2. Switching Circuits: The transistor can function as a switch for driving low-power loads in applications such as relay drivers and general-purpose digital switching.
  3. Oscillators: Due to its high transition frequency capability, the 2SC1318 can be employed in RF oscillator circuits for generating high-frequency signals.
  4. Voltage Regulators: It can be used within voltage regulator circuits to regulate and stabilize voltages in power supply applications.
  5. Signal Processing: The transistor can be used in various signal-processing circuits, including filters, mixers, and frequency converters.


Please note that the suggested applications are general examples, and the specific implementation will depend on the circuit requirements and overall design. When using the 2SC1318 or its equivalents, it is essential to consult the transistor's datasheet for comprehensive information regarding maximum ratings, electrical characteristics, and usage guidelines to ensure proper functionality and reliable operation.