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SI2302CDS-T1-E3

N-ch TrenchFET MOSFET, 20V, 2.6A, 57mOhm, SOT-23-3

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Manufacturer Part：

SI2302CDS-T1-E3

Package：

SOT-23-3 (TO-236) (2.9 x 1.6 x 1.45 mm)

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Description

Product Overview

The SI2302CDS-T1-E3 from Vishay Siliconix is an N-channel TrenchFET power MOSFET rated at 20V VDS and 2.6A in a SOT-23-3 surface-mount package. With 57mOhm RDS(on) at 4.5V and 3.5nC typical gate charge, it is optimized for load switching and DC-DC conversion in portable devices.

Key Specifications

VDS (Max) 20V
ID (Continuous) 2.6A (Ta=25C)
RDS(on) Max 57mOhm @ VGS=4.5V
RDS(on) @ 2.5V 75mOhm
VGS(th) Max 850mV
Qg (Typical) 3.5nC @ 4.5V
Power Dissipation 710mW (Ta)
Package SOT-23-3 (TO-236)

Features

  • TrenchFET technology for low RDS(on)
  • Logic-level gate drive (2.5V compatible)
  • Low gate charge for high-frequency switching
  • Compact SOT-23 footprint
  • RoHS3 compliant

Applications

  • Load switching in portable devices
  • DC-DC converter power stage
  • Battery management in handheld electronics
  • Power routing and battery switchover
  • Motor drive in small actuators

The SI2302CDS-T1-E3 is an N-channel enhancement mode TrenchFET power MOSFET from Vishay Siliconix, featuring 20V drain-source voltage and 2.6A continuous drain current in a compact SOT-23-3 package. The trench gate technology achieves 57mOhm maximum on-resistance at 4.5V VGS, with 75mOhm at the logic-level 2.5V gate drive. The low typical gate charge of 3.5nC enables efficient high-frequency switching in DC-DC converters. Its small footprint and low profile make it ideal for space-constrained portable electronics.

The SI2302CDS uses Vishay’s TrenchFET technology, where vertical trench gates are etched into the silicon and filled with polysilicon to form the gate electrode. This structure reduces cell size and on-resistance compared to planar MOSFETs. When VGS exceeds the threshold (~0.85V), an inversion layer forms along the trench sidewalls, creating a conductive channel between source and drain. The P-body diode provides inherent reverse conduction. The compact die size and low gate charge minimize switching losses at frequencies up to several MHz.

Pin Name Type Function
1 Gate Input Gate control terminal
2 Source Power Source terminal
3 Drain Output Drain terminal
  • Load switch in smartphones and tablets
  • DC-DC buck converter low-side MOSFET
  • Battery disconnect and protection in portable devices
  • Power routing in dual-battery systems
  • Motor drive in micro-actuators and fans
Manufacturer Part Number Package Notes
Vishay SI2304DDS-T1-E3 SOT-23 N-ch, 20V, 1.8A
onsemi NTR4003NT1G SOT-23 N-ch, 60V, 190mA
Infineon BSR138NH6327 SOT-23 N-ch, 50V, 320mA
Diodes Inc DMN2075U SOT-23 N-ch, 20V, 1.5A
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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