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INFINEON IRFS4321TRLPBF Power MOSFET

This high-performance HEXFET Power MOSFET is suitable for motion control, high-efficiency switching in SMPS, uninterruptible power supplies, and high-frequency circuits. It features an 85A continuous drain current, low Rg,on resistance, low gate charge, and a 150V drain-to-source breakdown voltage. The device supports a maximum power dissipation of 350W and operates within a junction temperature range of -65°C to +175°C. Encased in a compact TO-262 package, it ensures reliable performance in demanding power applications with enhanced switching and EMI characteristics.

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Source:DigiKey
Part No:IRFS4321TRLPBF
Stock:25733
Inv Date:05-29-2026
Price: Unit price: $1.86898
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Part No:IRFS4321TRLPBF
Stock:2798
Inv Date:05-30-2026
Price: Unit price: $4.15
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Part No:IRFS4321TRLPBF
Stock:0
Inv Date:05-29-2026
Price: Unit price: $5.85
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Part No:IRFS4321TRLPBF
Stock:4000
Inv Date:05-29-2026
Price: Unit price: $1.32
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Part No:IRFS4321TRLPBF
Stock:4
Inv Date:05-30-2026
Price: N/A
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INFINEON IRFS4321TRLPBF Power MOSFET Specifications:

  • Drain-to-Source Breakdown Voltage: 150V
  • Static Drain-to-Source On-Resistance: 12-15 mΩ
  • Continuous Drain Current at 25°C: 85A
  • Continuous Drain Current at 100°C: 60A
  • Pulsed Drain Current: 330A
  • Maximum Power Dissipation: 350W
  • Gate-to-Source Voltage: +30V
  • Operating Junction Temperature Range: -65°C to +175°C
  • Thermal Resistance Junction-to-Case: 0.43°C/W
  • Thermal Resistance Junction-to-Ambient: 40°C/W
  • Soldering Temperature (10 sec): 300°C
  • Package: TO-262
  • Avalanche Energy (Single Pulse): 120mJ
  • Gate Threshold Voltage: 3.0V to 5.0V
  • Gate Charge: 71-110nC
  • Gate-to-Drain Miller Charge: 21-
  • Input Capacitance: 4460pF
  • Output Capacitance: 390pF
  • Reverse Transfer Capacitance: 82pF

Buy the Buy International HEXFET Power MOSFET Part Number IRFS4321PbF Online

Order the International IRFS4321PbF Power MOSFET online today. Designed for motion control, high-efficiency converters, and power switching, it features 85A continuous drain current, low Rg,on, and a 150V drain-to-source voltage. Its TO-262 package ensures durability and efficient heat dissipation. This MOSFET enhances switching performance with low gate charge and EMI suppression, suitable for high-frequency and high-power circuits. Purchase now for reliable, high-performance power management solutions tailored to industrial needs.

Get International IRFS4321PbF today—built for high power, low Rg,on resistance, and reliable switching in demanding power applications.

Frequently Asked Questions

Where can I buy INFINEON IRFS4321TRLPBF?

You can click on the BUY or RFQ button to purchase IRFS4321TRLPBF from an authorized INFINEON distributor.

How do I troubleshoot issues or seek technical support for part IRFS4321TRLPBF?

You can download the IRFS4321TRLPBF datasheet or visit the INFINEON website for support.

Who is the manufacturer of IRFS4321TRLPBF?

INFINEON

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