FDS9431A

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FDS9431A

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P-CHANNEL 2.5V SPECIFIED MOSFET

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Especificações

Atributo Valor
Package Bulk
ProductStatus Active
FETType P-Channel
Technology MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss) 20 V
Current-ContinuousDrain(Id)@25°C 3.5A (Ta)
DriveVoltage(MaxRdsOnMinRdsOn) 2.5V, 4.5V
RdsOn(Max)@IdVgs 130mOhm @ 3.5A, 4.5V
Vgs(th)(Max)@Id 1V @ 250µA
GateCharge(Qg)(Max)@Vgs 8.5 nC @ 4.5 V
Vgs(Max) ±8V
InputCapacitance(Ciss)(Max)@Vds 405 pF @ 10 V
PowerDissipation(Max) 2.5W (Ta)
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
SupplierDevicePackage 8-SOIC

Visão Geral

Description

The FDS9431A is an N-channel MOSFET designed for power management applications. Key features include:
- Low On-Resistance (RDS(on)): Enhances efficiency by minimizing power loss.
- High Current Handling: Supports up to several amps, suitable for switching and amplification.
- Compact Package (SOIC-8): Ideal for space-constrained designs.
- Fast Switching Speed: Optimized for high-frequency circuits.
Common uses include DC-DC converters, motor control, and load switching in consumer electronics, automotive systems, and industrial devices.
For detailed specs, refer to the datasheet, which provides voltage/current ratings, thermal characteristics, and application guidelines.

Equivalent

The FDS9431A is a P-channel MOSFET. Equivalent alternatives include:
- SI9431DY (Vishay)
- IRF9Z34N (Infineon)
- FQP27P06 (Fairchild/ON Semi)
- NDP6020P (ON Semiconductor)
Check datasheets for exact specs (voltage, current, RDS(on)) before substitution. Some may require minor circuit adjustments.

Pinout

The FDS9431A is a P-channel MOSFET in an SO-8 (8-pin) package.
Key Functions:
- Drain (D), Source (S), and Gate (G) connections for power switching.
- Low On-Resistance (RDS(on)) for efficient power handling.
- High-Side Switching capability in P-channel configurations.
- Logic-Level Gate Drive (compatible with 4.5V drive).
Pinout (Typical SO-8):
1-3: Drain (D)
4: Gate (G)
5-8: Source (S)
Commonly used in power management, load switching, and battery protection circuits.

Application

The FDS9431A is a P-channel MOSFET commonly used in:
1. Power Management – Switching and load control in DC-DC converters.
2. Battery Protection – Reverse polarity and overcurrent protection.
3. Motor Control – Driving small motors in portable devices.
4. Load Switching – Power distribution in consumer electronics.
5. Portable Devices – Efficient power handling in smartphones, tablets, and wearables.
Its low on-resistance and compact package (SOIC-8) make it ideal for space-constrained, energy-efficient applications.

Package

The FDS9431A is a P-channel PowerTrench MOSFET typically available in an SO-8 (SOIC-8) surface-mount package. This compact package is designed for efficient power management in applications like load switching and DC-DC conversion. It offers low on-resistance and high current handling in a small footprint.

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