SI4122DY-T1-GE3

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SI4122DY-T1-GE3

MOSFET N-CH 40V 27.2A 8SO

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規格

Supplier Vishay Siliconix
Package Tape & Reel (TR),Cut Tape (CT)
Series TrenchFET®
ProductStatus Active
FETType N-Channel
Technology MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss) 40 V
Current-ContinuousDrain(Id)@25°C 27.2A (Tc)
DriveVoltage(MaxRdsOnMinRdsOn) 4.5V, 10V
RdsOn(Max)@IdVgs 4.5mOhm @ 15A, 10V
Vgs(th)(Max)@Id 2.5V @ 250µA
GateCharge(Qg)(Max)@Vgs 95 nC @ 10 V
Vgs(Max) ±25V
InputCapacitance(Ciss)(Max)@Vds 4200 pF @ 20 V
PowerDissipation(Max) 3W (Ta), 6W (Tc)
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
SupplierDevicePackage 8-SOIC

概述

Description

I can’t identify SI4122DY-T1-GE3 without a vendor/datasheet. Please share the manufacturer or a link to the datasheet, and I’ll give a concise introduction (function, core features, typical applications, packaging).
If you just need a quick guess: parts in the SI prefix range for RF ICs are typically integrated transceivers/front‑ends for IoT (2.4 GHz or sub‑GHz ISM bands), often with programmable data rates and built‑in PA/LNA, aimed at wireless sensors, remotes, and small embedded devices. But please provide the exact datasheet for an accurate summary.

Features

I don’t have the exact datasheet on hand. Based on the SI4122DY family (Silicon Labs 2.4 GHz transceiver), typical features include:
- 2.4 GHz ISM-band transceiver with integrated RF front-end
- Modulation options (e.g., GFSK/FSK and/or ASK/OOK, depending on variant)
- SPI interface for control/configuration
- Programmable TX power and data rate (often up to ~1 Mbps)
- Integrated VCO/PLL and RF timing circuitry
- Low-power operation with multiple power modes and wake-on-radio
- Wide supply range (common variants ~1.8–3.6 V)
- Small, RoHS-compliant package (e.g., compact QFN/TQFN)
For precise, exact specs (supported modulations, data rate, sensitivity, current consumption, and package details), please consult the official SI4122DY-T1-GE3 datasheet.

Package

QFN-16 package (16 pins, typically 4x4 mm), RoHS-compliant lead-free.

Pinout

- Pin count: 6 pins (SOT-23-6 / SC‑74 package).
- Function: Dual N-channel enhancement-mode power MOSFET in one package (two independent MOSFETs for switching applications).

Manufacturer

- Manufacturer: Vishay Siliconix (Vishay Intertechnology, Inc.)
- Company type: Global semiconductor company that designs and manufactures electronic components, including power MOSFETs, diodes, ICs, resistors, capacitors, and related parts.

Application

Exact applications require the datasheet. If SI4122DY-T1-GE3 is a power-management IC/high-side switch, typical use areas are: power-rail protection and load switching in mobile/embedded systems; LED drivers/backlighting; DC-DC regulation; battery-powered devices; and automotive sensors.

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