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On Nov 12, 2025

NJW3281G Bipolar Transistors - BJT by SPTECH – High-Power and Reliable Performance for Amplification and Switching

The Bipolar Transistors - BJT NJW3281G by SPTECH are high-performance NPN Semiconductors designed for efficient power amplification and high-current switching. As part of the Discrete Semiconductors, Transistors, Bipolar Transistors - BJT family, these devices deliver superior gain linearity, thermal stability, and low distortion, making them ideal for high-fidelity audio systems and industrial applications.

Available now at www.xonelec.com, the NJW3281G provides dependable performance and durability across various electronic circuits requiring precision amplification and switching.


Technical Specifications of NJW3281G

  • Manufacturer: SPTECH

  • Part Number: NJW3281G

  • Type: NPN Bipolar Transistors - BJT

  • Collector-Emitter Voltage (Vce): 260V

  • Collector Current (Ic): 15A

  • Power Dissipation (Pd): 200W

  • DC Current Gain (hFE): 50–160

  • Transition Frequency (fT): 30MHz

  • Package Type: TO-3P

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

  • Category: Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT

The NJW3281G offers excellent electrical performance, ensuring smooth operation and enhanced reliability in high-power designs.


Key Features of NJW3281G Bipolar Transistors

  • High power dissipation up to 200W

  • Excellent linear gain for high-quality amplification

  • Robust NPN structure for durability and stability

  • Low distortion and high transition frequency

  • Ideal for both linear and switching applications

These Transistors, Bipolar Transistors - BJT ensure precise amplification and control, making them a key component in professional-grade Semiconductors.


Applications of NJW3281G

The NJW3281G Bipolar Transistors - BJT by SPTECH are used in:

  • High-fidelity (Hi-Fi) and audio power amplifiers

  • Motor drivers and power control units

  • Industrial power supplies and converters

  • Inverter and amplifier output stages

  • Communication and broadcasting equipment

These Discrete Semiconductors are ideal for circuits requiring high voltage, current, and power handling capacity.


Wiring and Connection Overview

For the NJW3281G, the pin configuration is as follows:

  • Pin 1: Base (B) – Input signal control

  • Pin 2: Collector (C) – Connected to load or power output

  • Pin 3: Emitter (E) – Common terminal to ground

The TO-3P package of these Transistors, Bipolar Transistors - BJT ensures efficient heat dissipation, critical for high-power Semiconductors.


Use Case Scenario: High-Fidelity Audio Amplifier Design

Scenario: A professional audio system required high-output Transistors capable of handling large current loads without distortion.
Problem: Standard BJTs introduced nonlinear distortion at high power levels.
Solution: The NJW3281G Bipolar Transistors - BJT by SPTECH delivered clean, distortion-free sound reproduction and excellent linearity.
Result: Enhanced audio clarity and thermal stability in continuous high-power operation.

This showcases the exceptional capability of Semiconductors like the NJW3281G in premium amplification and switching systems.


Download Datasheet for NJW3281G

For detailed specifications, electrical characteristics, and package drawings:
Download the NJW3281G Datasheet from XON Electronics.


Also Available from Other Manufacturers

For engineers seeking compatible Bipolar Transistors - BJT, XON Electronics also provides similar Transistors from:

These high-quality Discrete Semiconductors offer equivalent performance and are suitable for diverse Semiconductors applications.


Why Buy from XON Electronics?

Buy from www.xonelec.com and enjoy:

  • Genuine SPTECH components
  • Worldwide shipping to USA, India, Australia, Europe & more
  • Bulk pricing for OEMs and distributors
  • Professional sourcing and technical assistance
  • Safe and easy online purchase process

Choose NJW3281G Bipolar Transistors - BJT by SPTECH from XON Electronics for high-performance Semiconductors trusted worldwide.


FAQs – NJW3281G Bipolar Transistors - BJT by SPTECH

Q1: What is the maximum collector-emitter voltage of NJW3281G?
A: It supports up to 260V.

Q2: What is its power dissipation capability?
A: The transistor can handle up to 200W of power.

Q3: What type of transistor is it?
A: It’s an NPN Bipolar Transistor - BJT.

Q4: What applications is it best suited for?
A: Power amplifiers, inverters, and industrial control systems.

Q5: Where can I buy it globally?
A: Available at www.xonelec.com with shipping to USA, India, Australia, Europe, and other countries.


Conclusion

The NJW3281G Bipolar Transistors - BJT by SPTECH combine power, reliability, and efficiency for demanding electronic applications. As part of the Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT category, they provide precise amplification, superior heat handling, and consistent performance for audio and industrial circuits.

Buy online today from www.xonelec.com and power your designs with the high-efficiency NJW3281G Bipolar Transistors by SPTECH.


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