IRFB7437PBF Infineon Power MOSFET

The IRFB7437PBF from Infineon is a high-current N-channel StrongIRFET™ MOSFET engineered for ultra-low conduction losses. For selection, its standout specifications are a 40V drain-source voltage and an impressive 195A continuous drain current, paired with an ultra-low on-resistance of just 2mΩ at 10V. This combination dramatically reduces power loss and improves thermal performance in high-power switching circuits. The robust 230W power dissipation at the case and 175°C maximum junction temperature ensure reliable operation in demanding environments. Its ±20V gate voltage tolerance provides solid design margin. In application, it excels in high-efficiency DC-DC converters for server and telecom power supplies, motor drive circuits for industrial automation and electric vehicles, and synchronous rectification in high-current power tools. Its TO-220AB through-hole package is ideal for manual assembly and direct heatsink mounting, making it perfect for battery chargers, UPS systems, and power distribution units where minimizing power loss and maximizing reliability are paramount. In stock at HL Electronics – request a quote for fast delivery.

IRFB7437PBF - Infineon - main product image
Part No.:IRFB7437PBF
Brand:Infineon
Date Code:
Stock:83,000
SPQ:0
MOQ:1+
Delivery Time:In Stock

Pricing (USD)

QuantityUnit Price
1+ $ 0.65
100+ $ 0.34
1000+ $ 0.32

Technical Specifications

  • PartNoIRFB7437PBF
  • Category Discrete Semiconductor Products
  • Series HEXFET®, StrongIRFET™
  • Packaging Tube
  • Part Status Active
  • FET Type N-Channel
  • Technology MOSFET (Metal Oxide)
  • Drain to Source Voltage (Vdss) 40V
  • Current - Continuous Drain (Id) @ 25°C 195A (Tc)
  • Drive Voltage (Max Rds On, Min Rds On) 6V, 10V
  • Vgs(th) (Max) @ Id 3.9V @ 150µA
  • Gate Charge (Qg) (Max) @ Vgs 225nC @ 10V
  • Input Capacitance (Ciss) (Max) @ Vds 7330pF @ 25V
  • Vgs (Max) ±20V
  • FET Feature -
  • Power Dissipation (Max) 230W (Tc)
  • Rds On (Max) @ Id, Vgs 2 mOhm @ 100A, 10V
  • Operating Temperature -55°C ~ 175°C (TJ)
  • Mounting Type Through Hole
  • Supplier Device Package TO-220AB
📧 📋 💬