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ONSEMI NJL3281DG Power Transistor

The ThermalTrak complementary transistor set features high-current NPN and PNP devices designed for audio and power applications. These transistors provide instant thermal bias tracking with thermally matched bias diodes, ensuring superior bias stability and dynamic temperature response. They are ideal for high-end consumer audio, home and professional amplifiers, theater sound systems, and public address setups. With a maximum collector-emitter voltage of 260V and power dissipation of 200W, they offer high reliability, ease of assembly, and Pb-free options, making them suitable for demanding industrial and audio applications.

Authorized Distributors
Source:Newark
Part No:NJL3281DG
Stock:156
Inv Date:06-10-2026
Price: Unit price: $6.41
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Source:DigiKey
Part No:NJL3281DG
Stock:2589
Inv Date:06-10-2026
Price: Unit price: $9.3
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Part No:NJL3281DG
Stock:153
Inv Date:06-11-2026
Price: Unit price: $8.66
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Part No:NJL3281DG
Stock:0
Inv Date:06-10-2026
Price: Unit price: $5.05
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Part No:NJL3281DG
Stock:0
Inv Date:06-10-2026
Price: Unit price: $5.05
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Part No:NJL3281DG
Stock:0
Inv Date:06-10-2026
Price: Unit price: $5.61
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ONSEMI NJL3281DG Power Transistor Specifications:

  • Collector-Emitter Voltage: 260 V
  • Collector-Base Voltage: 260 V
  • Emitter-Base Voltage: 5 V
  • Collector Current (Continuous): 15 A
  • Peak Collector Current: 25 A
  • Total Power Dissipation @ 25°C: 200 W
  • Derate Above 25°C: 1.43 W/°C
  • Operating Temperature Range: -65°C to +150°C
  • Thermal Resistance, Junction-to-Case: 0.625 °C/W
  • DC Blocking Voltage: 200 V
  • Input Emitter-Base Voltage: -
  • Base Current (Continuous): 15 A
  • ESD Protection: Human Body Model >8000 V
  • UL Flammability Rating: UL 94 V-0 at 0.125 in
  • Package: TO-264 (Style 1, 5 Lead)

Buy the ON Semiconductor NJL3281D – Reliable Power Transistor for Industrial Applications

Upgrade your power and audio systems with the ON Semiconductor NJL3281D. Designed for high-current, high-voltage applications, this transistor features thermal bias tracking for enhanced stability and performance. Perfect for professional audio amplifiers, industrial power supplies, and high-end consumer electronics, it offers reliable operation with a maximum collector-emitter voltage of 260V and 200W power dissipation. Easy to integrate, Pb-free, and robust, this device ensures long-lasting, high-performance operation in demanding environments.

Order your ON Semiconductor NJL3281D power transistor today and ensure your power and audio projects benefit from high reliability and thermal stability.

Frequently Asked Questions

Where can I buy ONSEMI NJL3281DG?

You can click on the BUY or RFQ button to purchase NJL3281DG from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part NJL3281DG?

You can download the NJL3281DG datasheet or visit the ONSEMI website for support.

Who is the manufacturer of NJL3281DG?

ONSEMI

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