IRF5305PBF P-Chan MOSFET -55V Vdss -31A Id 65mOhm Rds(on) fast switching logic

Product Specification

IRF5305PBF P-Chan MOSFET -55V Vdss -31A Id 65mOhm Rds(on) fast switching logic level gate TO-220 package

Features

• P-Channel Enhancement Mode – Simplifies high-side switching without requiring a charge pump or level shifter.

• -55V Drain-Source Voltage (Vdss) – Suitable for 12V, 24V, and 48V automotive and industrial bus systems.

• -31A Continuous Drain Current (Id) – Handles moderate to high current loads safely.

• 65mΩ Max Rds(on) – Low conduction loss improves efficiency and reduces heat generation.

• Logic-Level Gate Drive – Fully enhanced with Vgs = -5V to -10V, compatible with 3.3V/5V microcontrollers.

• Fast Switching Speed – Low gate charge (Qg = 63nC typical) minimizes switching losses in PWM applications.

• RoHS-Compliant & Lead-Free – "PBF" suffix indicates environmentally friendly, lead-free terminations.

Applications 

• Reverse Polarity Protection – Protects DC input circuits from accidental battery reversal in automotive and portable devices.

• Battery Management Systems (BMS) – High-side disconnect for Li-ion, LiFePO4, and lead-acid battery packs.

• Load Switches – Enables/disables power to modules, sensors, or peripheral circuits in embedded systems.

• DC Motor Control – Low-frequency PWM speed control for small brushed motors (power tools, pumps, fans).

• Power Supply Selection – Switches between primary and backup batteries or AC adapter inputs.

• LED Driving – High-side dimming control for automotive lighting, signage, and industrial lamps.

• Solar Charge Controllers – Disconnect function for panels or batteries in low-power off-grid systems.

Description

The IRF5305PBF is a P-Channel power MOSFET utilizing advanced HEXFET® technology. Housed in a industry-standard TO-220 package, it is designed for high-efficiency switching applications requiring low on-state resistance and fast switching performance. With a drain-source voltage rating of -55V and continuous drain current of -31A, this device is ideal for load switching, battery protection, and power management circuits where a positive ground or high-side P-channel switch is preferred. The logic-level gate drive simplifies interface with microcontrollers and low-voltage control circuits.

INFORMATION

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