IRFB4321PBF

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IRFB4321PBF

+Nomenclature

IRFB4321 - 12V-300V N-CHANNEL PO

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Spécifications

Attribut Valeur
Package Bulk
Series HEXFET®
ProductStatus Active
FETType N-Channel
Technology MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss) 150 V
Current-ContinuousDrain(Id)@25°C 85A (Tc)
DriveVoltage(MaxRdsOnMinRdsOn) 10V
RdsOn(Max)@IdVgs 15mOhm @ 33A, 10V
Vgs(th)(Max)@Id 5V @ 250µA
GateCharge(Qg)(Max)@Vgs 110 nC @ 10 V
Vgs(Max) ±30V
InputCapacitance(Ciss)(Max)@Vds 4460 pF @ 50 V
PowerDissipation(Max) 350W (Tc)
OperatingTemperature -55°C ~ 175°C (TJ)
MountingType Through Hole
SupplierDevicePackage TO-220AB

Présentation

Description

The IRFB4321PBF is a N-channel MOSFET from Infineon Technologies, designed for high-power applications. Key features include:
- Voltage Rating: 150V
- Current Rating: 104A (pulsed) / 75A (continuous)
- Low On-Resistance (RDS(on)): 4.3 mΩ (max at 10V VGS)
- Fast Switching: Suitable for motor drives, inverters, and power supplies
- Package: TO-220AB (through-hole, easy to mount)
It operates with a gate threshold voltage (VGS(th)) of 2–4V, making it compatible with standard logic-level drivers. The device is avalanche-rated, enhancing reliability in rugged conditions.
Applications:
- DC-DC converters
- Motor control
- Solar inverters
- Industrial power systems
The IRFB4321PBF balances efficiency, thermal performance, and cost, making it a popular choice for medium-to-high-power designs. Always refer to the datasheet for detailed specifications and thermal management guidelines.

Equivalent

Equivalent products to the IRFB4321PBF (100V, 195A MOSFET) include:
- IRFB4332PBF (100V, 180A)
- IRFB4410PBF (100V, 180A)
- IRFB4110PBF (100V, 180A)
- STP160N10F7 (100V, 160A)
- AUIRFB4410Z (100V, 180A)
These alternatives offer similar voltage/current ratings and are often used in power switching applications. Always verify datasheet specs for compatibility.

Features

The IRFB4321PBF is a Power MOSFET with the following key features:
- Voltage Rating: 150V (VDSS)
- Current Rating: 75A (continuous) at 25°C
- Low On-Resistance (RDS(on)): 4.5mΩ (max) at VGS = 10V
- Fast Switching: Optimized for high-speed applications
- High Power Handling: Suitable for high-current DC/DC converters, motor drives, and power supplies
- Package: TO-220AB (through-hole, easy mounting)
- Gate Charge (Qg): 110nC (typical) for efficient switching
- Avalanche Energy Rated: Enhances ruggedness in inductive loads
Designed for high-efficiency power switching, it is commonly used in industrial, automotive, and renewable energy systems.

Application

The IRFB4321PBF, a high-power MOSFET, is commonly used in:
1. Switching Power Supplies – Efficient energy conversion in AC/DC and DC/DC systems.
2. Motor Drives – Controls motors in industrial, automotive (e.g., EVs), and robotics applications.
3. Solar Inverters – Converts DC from solar panels to AC with minimal losses.
4. UPS Systems – Ensures reliable power backup in data centers and critical infrastructure.
5. Welding Equipment – Provides high-current switching for arc welding machines.
Its low on-resistance and high current handling make it ideal for high-efficiency, high-power applications.

Package

The IRFB4321PBF is a Power MOSFET housed in a TO-220AB package. This through-hole package is widely used for power applications due to its robust thermal performance and ease of mounting on heat sinks. The TO-220AB features three leads (gate, drain, source) and a metal tab for heat dissipation, making it suitable for high-current and high-voltage applications.

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