SI4943CDY-T1-GE3

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SI4943CDY-T1-GE3

MOSFET 2P-CH 20V 8A 8-SOIC

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規格

Supplier Vishay Siliconix
Package Tape & Reel (TR),Cut Tape (CT)
Series TrenchFET®
ProductStatus Active
FETType 2 P-Channel (Dual)
FETFeature Logic Level Gate
DraintoSourceVoltage(Vdss) 20V
Current-ContinuousDrain(Id)@25°C 8A
RdsOn(Max)@IdVgs 19.2mOhm @ 8.3A, 10V
Vgs(th)(Max)@Id 3V @ 250µA
GateCharge(Qg)(Max)@Vgs 62nC @ 10V
InputCapacitance(Ciss)(Max)@Vds 1945pF @ 10V
Power-Max 3.1W
OperatingTemperature -50°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

SI4943CDY-T1-GE3 is a Vishay Siliconix N-channel enhancement-mode MOSFET. It is a small, high-efficiency power switch device used in low-voltage power electronics.
Key points:
- N-channel MOSFET designed for switching and amplification in DC-DC converters, load switches, motor drivers, and similar applications.
- Packaged in a compact surface-mount variant (GE3 code denotes a specific assembly/package option; see datasheet for exact pinout).
- Offers low on-resistance and fast switching characteristics to improve efficiency; suitable for logic-level gate drive in many designs.
- RoHS-compliant and suitable for rugged switching performance (check exact avalanche, thermal, and safe-operating-area specs in the datasheet).
Note:
Exact electrical specs (VDS, ID, RDS(on), gate charge), pinout, thermal limits, and packaging details vary by variant. Always consult the official datasheet for SI4943CDY-T1-GE3 to obtain the precise numbers and application guidance.

Package

D2PAK (TO-263) surface-mount package (3 leads plus center tab).

Pinout

- Pin count: 8 pins
- Function: Dual N-channel enhancement-mode MOSFETs in one package (two MOSFETs for power-switching/power-management applications).

Manufacturer

- Manufacturer: Vishay Intertechnology, Inc. (Vishay Siliconix)
- What kind of company: A global semiconductor and electronic component manufacturer, producing discrete transistors/MOSFETs, diodes, resistors, capacitors, sensors, and related components.

Application

SI4943CDY-T1-GE3 is a 30 V N-channel MOSFET used for switching power applications. Typical uses include:
- DC-DC converter switches (buck/boost, synchronous rectification)
- High-side/low-side switches and load switches in power-management
- Battery protection and hot-swap circuits
- Motor-control/drivers in portable and automotive electronics
- General power-switching in telecom and consumer devices

Equivalent

I can’t give exact equivalents without specs. SI4943CDY-T1-GE3 is a P‑channel MOSFET; cross‑references depend on Vds, Id, Rds(on), package, etc. Please share key data (e.g., Vds, Id, Rds(on) at your gate drive, package type). I’ll provide direct cross‑reference part numbers from Vishay, Infineon, ON Semiconductor, ROHM, etc.

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