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ONSEMI FQS4901TF Power MOSFET

This N-Channel enhancement mode power MOSFET is made using Fairchild's proprietary planar stripe and DMOS tech, reducing on-resistance and offering superior switching for power supplies, PFC, and electronic lamp ballasts. It can handle 400 V, 0.45 A, with low gate charge and excellent avalanche energy strength, making it ideal for switched mode power supplies and active power correction. Its high avalanche energy strength ensures reliable performance in demanding power conversion applications, providing efficient and durable operation in various electronic devices.

Authorized Distributors
Part No:FQS4901TF
Stock:0
Inv Date:06-11-2026
Price: N/A
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Part No:FQS4901TF
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.82
Buy/RFQ:

ONSEMI FQS4901TF Power MOSFET Specifications:

  • Drain-Source Voltage: 400 V
  • Continuous Drain Current: 0.45 A at 25°C
  • Pulsed Drain Current: 1.8 A
  • Gate-Source Voltage: +25 V
  • Power Dissipation: 2.0 W at 25°C
  • Operating Temperature Range: -55°C to +150°C
  • Thermal Resistance, Junction-to-Ambient: 62.5°C/W
  • Gate Charge: 5.8 nC
  • Drain-Source On-Resistance: 32 to 42 mΩ
  • Reverse Recovery Time: 86 ns
  • Package Type: TO-220, TO-247

Buy the Buy ON Semiconductor FQS4901 Power MOSFET Part Number FQS4901TF Online

Purchase the ON Semiconductor FQS4901TF Power MOSFET online now to ensure your power supply and switching circuits operate efficiently and reliably. Engineered for high voltage and current applications, this MOSFET features low gate charge, excellent avalanche energy, and robust thermal characteristics. Perfect for compact electronic and power conversion systems, the FQS4901TF provides durable performance with 400 V and 0.45 A ratings. Available with fast shipping, it’s the ideal solution for engineers and technicians seeking quality power controls for demanding applications.

Get ON Semiconductor FQS4901TF today—designed for high voltage switching and durability in power management systems.

Frequently Asked Questions

Where can I buy ONSEMI FQS4901TF?

You can click on the BUY or RFQ button to purchase FQS4901TF from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FQS4901TF?

You can download the FQS4901TF datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FQS4901TF?

ONSEMI

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