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Trans MOSFET N-CH 150V 34A 3-Pin(3+Tab) TO-220AB FP Tube

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IRFI4321PBF General Description

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.


Key Features

  • Optimized for broadest availability from distribution partners
  • Product qualification according to JEDEC standard
  • Silicon optimized for applications switching below <100kHz
  • Isolated package
  • Wide availability from distribution partners
  • Industry standard qualification level
  • High performance in low frequency applications
  • No need for insulating hardware


  • Battery Operated Drive


Category Discrete Semiconductor ProductsTransistorsFETs, MOSFETsSingle FETs, MOSFETs Mfr Infineon Technologies
Series HEXFET® Package Tube
Product Status Active FET Type N-Channel
Technology MOSFET (Metal Oxide) Drain to Source Voltage (Vdss) 150 V
Current - Continuous Drain (Id) @ 25°C 34A (Tc) Drive Voltage (Max Rds On, Min Rds On) 10V
Rds On (Max) @ Id, Vgs 16mOhm @ 20A, 10V Vgs(th) (Max) @ Id 5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs 110 nC @ 10 V Vgs (Max) ±30V
Input Capacitance (Ciss) (Max) @ Vds 4440 pF @ 50 V FET Feature -
Power Dissipation (Max) 46W (Tc) Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Through Hole Supplier Device Package TO-220AB Full-Pak
Package / Case TO-220-3 Full Pack Base Product Number IRFI4321
RHoS yes PBFree yes
HalogenFree yes


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


  • Tape and Reel

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray

Ratings and Reviews

A**n Jan 18, 2021

great breadboard it works well

J**h Nov 17, 2019

Nice, fast shipping !

I**h Jul 30, 2019

I received the item. Very fast shipping. The description on the website is compatible with the item purchased. I recommend this seller. Thank you for the smooth transaction.

J**n Jul 19, 2018

Corresponds to the description. I ordered 3 pieces all working.



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IRFI4321PBF Datasheet PDF

Preliminary Specification IRFI4321PBF PDF Download

IRFI4321PBF PDF Preview

Buying Guide

  • What is the lifespan of IRFI4321PBF?

    The lifespan of IRFI4321PBF depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of IRFI4321PBF?

    You can find it with PDF Datasheet for IRFI4321PBF on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of IRFI4321PBF?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

  • Where to view my order of IRFI4321PBF or my history order record?

    You could view all of your orders by logging in or registering AVAQ account. Log in or Register an account now.