SI4943CDY-T1-GE3

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SI4943CDY-T1-GE3

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

  • HerstellerVishay Siliconix

  • Herstellerteil #SI4943CDY-T1-GE3

  • Paket SOIC-8

  • Auf Lager5754

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Spezifikationen

Attribut Wert
Supplier Vishay Siliconix
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series TrenchFET®
Part Status Active
FET Type 2 P-Channel (Dual)
FET Feature Logic Level Gate
Drain to Source Voltage (Vdss) 20V
Current - Continuous Drain(Id) @ 25°C 8A
Rds On(Max) @ Id Vgs 19.2mOhm @ 8.3A, 10V
Vgs(th)(Max) @ Id 3V @ 250µA
Gate Charge(Qg)(Max) @ Vgs 62nC @ 10V
Input Capacitance(Ciss)(Max) @ Vds 1945pF @ 10V
Power - Max 3.1W
Operating Temperature -50°C ~ 150°C (TJ)
Mounting Type Surface Mount

Übersicht

Description

SI4943CDY-T1-GE3 is a Vishay Siliconix power MOSFET (N-channel, enhancement mode) used for high-efficiency switching in power electronics. The DY suffix indicates a D²PAK surface‑mount package; T1 denotes tape‑and‑reel packaging, and GE3 marks the RoHS/lead-free grade and lot code. It’s suited for DC‑DC converters, motor drivers, and load-switch applications, offering low on-resistance and solid current capability. For exact electrical specs (Vds, Id, Rds(on), gate charge, switching characteristics), consult the latest datasheet for the CDY variant.

Features

SI4943CDY-T1-GE3 is a power MOSFET. Typical features (family-level; check datasheet for exact values and your package):
- N-channel enhancement-mode MOSFET
- VDS around 30 V (DC)
- Very low RDS(on): a few milliohms (typical) at VGS = 10 V; still low at 4.5 V
- High current capability (several amps, depending on package)
- Logic-level gate drive (low VGS threshold)
- Fast switching with low gate charge
- Suitable for DC-DC converters, high/low-side switches, load switching
- RoHS compliant; wide operating temp range (roughly -55°C to +150°C)
- Surface-mount packaging (options in literature include SO-8/D2PAK variants)
Note: exact RDS(on), ID, and package can vary by revision and packaging. Refer to the official datasheet for precise electrical specs, packaging, and thermal details.

Pinout

SI4943CDY-T1-GE3 is a 6‑pin device (dual N‑channel MOSFET). The six pins provide the two FETs’ gates, drains and sources. Typical SOT‑23‑6 pinout (confirm with the datasheet):
1 = G1, 2 = D1, 3 = S1, 4 = S2, 5 = D2, 6 = G2.
(Also check the manufacturer datasheet for package-specific pin assignment and any exposed pad details.)

Manufacturer

The SI4943CDY-T1-GE3 is manufactured by Vishay Siliconix, a product brand/division of Vishay Intertechnology. Vishay is a global, publicly traded electronics components company (headquartered in Malvern, Pennsylvania, USA) that designs and manufactures discrete semiconductors (power MOSFETs, diodes, ICs) and passive components (resistors, capacitors, inductors).

Package

6-pin SOT-23 (SC‑74A) package.

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