Name: IRF4905PBF
Brand: Infineon
SKU: IRF4905PBF
Availability: InStock

描述

New Original Stock Mos IRF4905 Series IRF4905PBF SP001571330 MOSFET P-Channel 55 V 74A (Tc) 200W (Tc) Through Hole TO-220AB for Power Management

Mosfet IRF4905PBF：Order today, Ships today. MOSFET P-CH 55V 74A TO220AB

I. Product Overview

IRF4905PBF is a P-channel MOSFET designed for high-power applications. It adopts TO-220AB package and is designed for high-power applications. With low on-resistance, high current carrying capacity and fast switching characteristics, it has become the preferred device in power management, motor drive and other fields. Its wide temperature range and avalanche rating further improve reliability and are suitable for multiple scenarios such as industrial, automotive and consumer electronics.

Parameters	Value	Description
Drain-source voltage (Vdss)	55V	Maximum drain-source voltage for medium and high voltage scenarios.
Continuous drain current (Id)	74A (@ Vgs=10V)	Maximum continuous operating current for high load requirements.
On-resistance (Rds(on))	20mΩ (@ 38A, 10V)	Low conduction losses for improved system efficiency.
Maximum power dissipation (Pd)	200W (@ 25°C)	High power handling for high load applications.
Input capacitance (Ciss)	2100pF (@ Vds=25V)	Low input capacitance for high frequency switching and reduced losses.
Operating temperature range	-55°C ~ +175°C	Adaptable to extreme environments such as industrial or automotive electronics.
Package	TO-220AB	Industry standard packaging for easy heat dissipation design.

Core advantages
1. Low on-resistance (20mΩ) significantly reduces conduction loss and improves power conversion efficiency.
2. Fast switching speed (low input capacitance) reduces switching loss and is suitable for high-frequency applications (such as switching power supplies).
3. Avalanche rating (930mJ) enhances the device’s impact resistance and avoids overvoltage damage.
4. Wide temperature range (-55°C to +175°C) adapts to harsh environments.
5. Supports high current (74A) and high voltage (55V), covering a variety of application scenarios.
6. TO-220 package is convenient for heat dissipation design, and the power handling capacity can be improved through the heat sink.

Applications:
1. Power management:
* Switching power supply (SMPS), DC-DC converter (such as buck/boost circuit).
** Battery management system (BMS), control charging/discharging current.
2. Motor control:
* DC motor (DCM), stepper motor drive, to achieve precise speed and direction control.
** Electric vehicle power control module (PCM), photovoltaic inverter.
3. Industrial and automotive electronics:
* Power amplification and control in power tools, industrial automation equipment.
** LED drive circuit, stable current regulation to control brightness.

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