myMectronic
myMectronic

A Premier B2B Part Search

ONSEMI FDB38N30U High Voltage MOSFET

The FDB38N30U is a high-voltage N-Channel UniFET™ Ultra FRFET™ MOSFET designed for switching power applications. Operating at 300 V and capable of withstanding 38 A, it features low gate charge of 56 nC, low Rds(on) of 0.120 Ω, and excellent avalanche energy ratings of 722 mJ. It offers superior body diode reverse recovery performance with trr less than 50 ns, making it ideal for PFC, LCD/LED displays, and power supplies. RoHS compliant and 100% avalanche tested ensure reliability in demanding environments.

Authorized Distributors
Source:Newark
Part No:FDB38N30U
Stock:450
Inv Date:06-10-2026
Price: Unit price: $4.4
Buy/RFQ:
Source:DigiKey
Part No:FDB38N30U
Stock:3613
Inv Date:06-10-2026
Price: Unit price: $4.73
Buy/RFQ:
Part No:FDB38N30U
Stock:3926
Inv Date:06-11-2026
Price: Unit price: $4.73
Buy/RFQ:
Part No:FDB38N30U
Stock:0
Inv Date:06-10-2026
Price: Unit price: $3.99
Buy/RFQ:
Part No:FDB38N30U
Stock:0
Inv Date:06-10-2026
Price: Unit price: $3.89
Buy/RFQ:
Part No:FDB38N30U
Stock:0
Inv Date:06-10-2026
Price: Unit price: $3.89
Buy/RFQ:
Part No:FDB38N30U
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.7
Buy/RFQ:
Source:Arrow EU
Part No:FDB38N30U
Stock:1600
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI FDB38N30U High Voltage MOSFET Specifications:

  • Drain to Source Voltage: 300 V
  • Continuous Drain Current: 3 A at 25°C, 22.8 A at 100°C
  • Pulsed Drain Current: 152 A
  • Avalanche Energy: 722 mJ
  • Gate to Source Voltage: ±30 V
  • Gate Threshold Voltage: 3.0 - 5.0 V
  • Static Drain to Source On Resistance: 0.103 - 0.120 Ω
  • Input Capacitance: 2510 - 3340 pF
  • Output Capacitance: 470 - 625 pF
  • Total Gate Charge: 56 - 73 nC
  • Turn-On Delay Time: 33 - 76 ns
  • Turn-Off Delay Time: 133 - 276 ns
  • Maximum Operating and Storage Temperature Range: -55 to +150 °C
  • Thermal Resistance Junction to Case: 0.4 °C/W
  • Thermal Resistance Junction to Ambient: 625 °C/W
  • Package: D2PAK, Surface Mount
  • RoHS Compliant, 100% Avalanche Tested

Buy the Fairchild FDB38N30U – Reliable MOSFET for Industrial Applications

Purchase the Fairchild FDB38N30U high voltage MOSFET online today to enhance your power conversion systems. This 300V, 38A device delivers low gate charge, excellent avalanche energy, and superior switching performance. Perfect for PFC circuits, LED displays, LCD TVs, and power supplies, it ensures system reliability and efficiency. RoHS compliant and fully avalanche tested, this surface-mount D2PAK device is designed for durability in demanding environments. Buy now to upgrade your electronic projects with this trusted power semiconductor component.

Order your Fairchild Series FDB38N30U today and give your power systems the dependable quality they deserve.

Frequently Asked Questions

Where can I buy ONSEMI FDB38N30U?

You can click on the BUY or RFQ button to purchase FDB38N30U from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FDB38N30U?

You can download the FDB38N30U datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FDB38N30U?

ONSEMI

ONSEMI Part List

Browse and search other ONSEMI parts, locate datasheets and stock

Sponsored by