SI4431DY - Fairchild Semiconductor

Manufacturer Part Number

SI4431DY

Manufacturer

Fairchild (onsemi)

Introduction

High-performance P-channel PowerTrench MOSFET with low on-resistance and high current capability.

Product Features and Performance

Low on-resistance down to 32 mΩ

High continuous drain current up to 6.3A

Wide operating temperature range of -55°C to 150°C

High gate-to-source voltage rating of ±20V

Low input capacitance of 930 pF

Low power dissipation of 1W

Product Advantages

Excellent performance for power management and switching applications

Robust design for reliable operation

Compact SOIC package for space-saving board layouts

Key Technical Parameters

Drain to Source Voltage (Vdss): 30V

Gate-to-Source Voltage (Vgs): ±20V

On-Resistance (Rds(on)): 32 mΩ @ 7A, 10V

Continuous Drain Current (Id): 6.3A

Input Capacitance (Ciss): 930 pF @ 15V

Power Dissipation (Pd): 1W

Quality and Safety Features

RoHS3 compliant

Suitable for harsh environments with -55°C to 150°C operating temperature range

Compatibility

Can be used in a wide range of power management and switching applications.

Application Areas

Power supplies

Motor drives

Lighting control

Battery charging

General purpose switching

Product Lifecycle

The SI4431DY is an active product and there are no indications of it being discontinued. Replacement or upgrade options may be available from the manufacturer.

Key Reasons to Choose This Product

Excellent performance with low on-resistance and high current capability

Robust design for reliable operation in harsh environments

Compact SOIC package for space-saving board layouts

Suitable for a wide range of power management and switching applications