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IRFI4321
  • IRFI4321

IRFI4321

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The StrongIRFET™ power MOSFET family is optimized for low RDS(on) and high current capability. The devices are ideal for low frequency applications requiring performance and ruggedness. The comprehensive portfolio addresses a broad range of applications including DC motors, battery management systems, inverters, and DC-DC converters.

Infineon Technologies IRFI4321 Product Info

16 April 2026 0

Parameters

Budgetary Price €/1k

1.23

ID (@25°C) max

34 A

Mounting

THT

Operating Temperature range

-55 °C to 150 °C

Package

TO-220 FullPAK

Polarity

N

Ptot max

46 W

Qgd

20 nC

QG (typ @10V)

73 nC

RDS (on) (@10V) max

16 mΩ

RthJC max

2.73 K/W

Tj max

150 °C

VDS max

150 V

VGS(th) range

3 V to 5 V

VGS(th)

4 V

VGS max

30 V

Apps

General purpose motor drive

Features

  • Optimized for broadest availability
  • Product qualification according to JEDEC
  • Silicon optimized for switching <100kHz
  • Isolated package

Description

  • Wide distribution availability
  • Industry standard qualification level
  • High performance, low-frequency
  • No need for insulating hardware

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