IRFB4310PBF vs IRFB4321PBF

This in-depth comparison of the IRFB4310PBF and IRFB4321PBF provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

IRFB4310PBF

International Rectifier

Lifecycle: Active
Stock: 4639 PCS
Package: TO-220-3
Series: Transistors - FETs, MOSFETs - Single

+BOM RFQ

Part B

IRFB4321PBF

International Rectifier

Lifecycle: Active
Stock: 2871 PCS
Package: TO-220-3
Series: Transistors - FETs, MOSFETs - Single

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	IRFB4310PBF	IRFB4321PBF
Series	HEXFET®	HEXFET®
Part Status	Active	Active
FET Type	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	100 V	150 V
Current - Continuous Drain(Id) @ 25°C	130A (Tc)	85A (Tc)
Drive Voltage(Max Rds On Min Rds On)	10V	10V
Rds On(Max) @ Id Vgs	7mOhm @ 75A, 10V	15mOhm @ 33A, 10V
Vgs(th)(Max) @ Id	4V @ 250µA	5V @ 250µA
Gate Charge(Qg)(Max) @ Vgs	250 nC @ 10 V	110 nC @ 10 V
Vgs(Max)	±20V	±30V
Input Capacitance(Ciss)(Max) @ Vds	7670 pF @ 50 V	4460 pF @ 50 V
Power Dissipation (Max)	300W (Tc)	350W (Tc)
Operating Temperature	-55°C ~ 175°C (TJ)	-55°C ~ 175°C (TJ)
Mounting Type	Through Hole	Through Hole

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