Manufacturer Part Number
SI4421DY-T1-E3
Manufacturer
Vishay / Siliconix
Introduction
P-Channel MOSFET Transistor
Product Features and Performance
Supports continuous drain current up to 10A at 25°C
Low on-resistance of 8.75 mΩ at 14A, 4.5V
Wide operating temperature range of -55°C to 150°C
Fast switching speed and low gate charge of 125 nC at 4.5V
Optimized for efficiency in power conversion applications
Product Advantages
Efficient power conversion with low conduction losses
Reliable operation across wide temperature range
Compact surface mount package
Key Technical Parameters
Drain to Source Voltage (Vdss): 20V
Gate to Source Voltage (Vgs): ±8V
On-Resistance (Rds(on)): 8.75 mΩ @ 14A, 4.5V
Continuous Drain Current (Id): 10A at 25°C
Quality and Safety Features
RoHS3 compliant
8-SOIC package with Tape & Reel packaging
Compatibility
Compatible with various power conversion and control applications
Application Areas
Power supplies
DC-DC converters
Motor drives
Lighting control
Industrial electronics
Product Lifecycle
Currently in production, no plans for discontinuation. Upgrades and replacements may be available in the future.
Key Reasons to Choose
Excellent efficiency and power density for power conversion
Reliable operation over wide temperature range
Optimized for compact, high-performance designs
Proven quality and safety with RoHS3 compliance