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ONSEMI FQN1N50CTA High-Voltage Power MOSFET

This N-Channel enhancement mode power MOSFET is produced using Fairchild Semiconductor's proprietary planar stripe and DMOS technology. Designed for high-voltage switching, it offers low on-state resistance, superior switching performance, and high avalanche energy strength, making it ideal for switched mode power supplies, active power factor correction, and electronic lamp ballasts. The device features a drain-source voltage of 500 V, drain current of 0.38 A, low gate charge of 4.9 nC, and is 100% avalanche tested for reliability in demanding applications.

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Inv Date:06-11-2026
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ONSEMI FQN1N50CTA High-Voltage Power MOSFET Specifications:

  • Drain-Source Voltage: 500 V
  • Drain Current (Continuous, 25°C): 0.38 A
  • Drain Current (Continuous, 100°C): 0.24 A
  • Pulsed Drain Current: 3.04 A
  • Gate-Source Voltage: +30 V
  • Single Pulsed Avalanche Energy: 44.4 mJ
  • Power Dissipation (at 25°C): 0.89 W
  • Operating Temperature Range: -55°C to +150°C
  • Thermal Resistance Junction-to-Ambient: 140°C/W
  • Gate Charge (Total): 4.9 nC
  • Gate Threshold Voltage: 2.0 - 4.0 V
  • On-Resistance (at Vgs=10V): 46 - 60 Ω

Buy the Fairchild Series FQN1N50C High-Voltage Power MOSFET: FQN1N50CTA

Purchase the Fairchild FQN1N50CTA online today to experience premium high-voltage power switching, excellent reliability, and superior performance. Designed with proprietary DMOS technology, this MOSFET features a drain-source voltage of 500 V, low gate charge of 4.9 nC, and is 100% avalanche tested for maximum safety and dependability. Its compact TO-92 package suits various industrial power applications, active PFC, and electronic ballast systems. Ensure optimal efficiency and durability by ordering directly online from authorized distributors now.

Get Fairchild FQN1N50CTA today—built for high-voltage switching, low on-resistance, and long-lasting durability in power supply applications.

Frequently Asked Questions

Where can I buy ONSEMI FQN1N50CTA?

You can click on the BUY or RFQ button to purchase FQN1N50CTA from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FQN1N50CTA?

You can download the FQN1N50CTA datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FQN1N50CTA?

ONSEMI

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