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ONSEMI 2SA1943OTU High-Power PNP Transistor

The 2SA1943OTU is a high-power PNP silicon transistor designed for audio output and industrial applications. It offers high current capability of -17A, a dissipation of 150W, and operates at high voltage of -250V. With a high frequency of 30MHz and excellent gain linearity, it ensures low THD and reliable performance. Its rugged construction includes a wide S.O.A. for dependable operation and full thermal and electrical Spice models. Suitable as a complementary device to 2SC5200 and FJL4315, it is ideal for high-fidelity audio amplifiers and power rectification.

Authorized Distributors
Source:Newark
Part No:2SA1943OTU
Stock:3567
Inv Date:06-10-2026
Price: Unit price: $4
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Part No:2SA1943OTU
Stock:2124
Inv Date:06-11-2026
Price: Unit price: $7.03
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Source:Arrow EU
Part No:2SA1943OTU
Stock:50
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:
Part No:2SA1943OTU
Stock:138
Inv Date:06-11-2026
Price: N/A
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ONSEMI 2SA1943OTU High-Power PNP Transistor Specifications:

  • High Current Capability: Ig = -17A
  • Power Dissipation: 150 watts
  • High Frequency: 30MHz
  • High Voltage: Vogo= -250V
  • Collector-Base Voltage: -250V
  • Collector-Emitter Voltage: -250V
  • Emitter-Base Voltage: 5V
  • Collector Current: 17A
  • Base Current: 8A
  • Total Device Dissipation: 150W at 25°C
  • Junction Temperature Range: -50°C to +150°C
  • Thermal Resistance, Junction to Case: 0.83°C/W
  • DC Current Gain (hFE): 55 to 160
  • Collector-Emitter Saturation Voltage: -0.4V to -3.0V at 8A
  • Base-Emitter On Voltage: 1.0V to 1.5V at 7A
  • Power Derating: 1.04W/°C above 25°C
  • Package: TO-264
  • Maximum Pulse Power: 10ms pulse, duty cycle <2%

Buy the Buy ON Semiconductor 2SA1943OTU Part Number 2SA1943OTU Online

Purchase the ON Semiconductor 2SA1943OTU transistor online now to power high-fidelity audio systems and industrial applications. This robust PNP transistor offers excellent gain linearity, up to 150W dissipation, and high voltage of -250V, ensuring reliable operation in demanding environments. Its high frequency of 30MHz supports high-performance amplification, making it perfect for power amplifiers and industrial power modules. Easy ordering and fast delivery available to help you meet your project deadlines with quality components.

Order your ON Semiconductor 2SA1943OTU high-power PNP transistor today and enhance your audio or industrial power projects with reliable, high-current performance.

Frequently Asked Questions

Where can I buy ONSEMI 2SA1943OTU?

You can click on the BUY or RFQ button to purchase 2SA1943OTU from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part 2SA1943OTU?

You can download the 2SA1943OTU datasheet or visit the ONSEMI website for support.

Who is the manufacturer of 2SA1943OTU?

ONSEMI

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