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Contents

README

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SQ4431EY-T1_GE3

Vishay Intertech · MOSFETs · SO-8

SQ4431EY-T1_GE3 from Vishay Intertech, in a SO-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 S passive Source terminal of the P-channel MOSFET; continuous source (diode conduction) current IS is -5.4 A with VDS rated -30 V.
2 S passive Source terminal of the P-channel MOSFET; continuous source (diode conduction) current IS is -5.4 A with VDS rated -30 V.
3 S passive Source terminal of the P-channel MOSFET; continuous source (diode conduction) current IS is -5.4 A with VDS rated -30 V.
4 G input Gate terminal; gate-source voltage is limited to ±20 V, with threshold VGS(th) between -1.5 V and -2.5 V.
5 D passive Drain terminal; continuous drain current ID is -10.8 A at TC = 25 °C (-6.2 A at TC = 125 °C) with VDS rated -30 V.
6 D passive Drain terminal; continuous drain current ID is -10.8 A at TC = 25 °C (-6.2 A at TC = 125 °C) with VDS rated -30 V.
7 D passive Drain terminal; continuous drain current ID is -10.8 A at TC = 25 °C (-6.2 A at TC = 125 °C) with VDS rated -30 V.
8 D passive Drain terminal; continuous drain current ID is -10.8 A at TC = 25 °C (-6.2 A at TC = 125 °C) with VDS rated -30 V.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package SO-8
Category Transistors/Thyristors
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Breakdown Voltage VDS -30 V VGS = 0, ID = - 250 μA 2
Gate-Source Threshold Voltage VGS(th) -1.5 -2 -2.5 V VDS = VGS, ID = - 250 μA 2
Gate-Source Leakage IGSS -100 100 nA VDS = 0 V, VGS = ± 20 V 2
Zero Gate Voltage Drain Current IDSS -1 μA VGS = 0 V, VDS = - 30 V 2
Zero Gate Voltage Drain Current IDSS -50 μA VGS = 0 V, VDS = - 30 V, TJ = 125 °C 2
Zero Gate Voltage Drain Current IDSS -150 μA VGS = 0 V, VDS = - 30 V, TJ = 175 °C 2
On-State Drain Current ID(on) -40 A VGS = - 10 V, VDS - 5 V 2
Drain-Source On-State Resistance RDS(on) 0.045 0.052 Ω VGS = - 4.5 V, ID = - 5 A 2
Drain-Source On-State Resistance RDS(on) 0.022 0.03 Ω VGS = - 10 V, ID = - 6 A 2
Drain-Source On-State Resistance RDS(on) 0.027 0.032 Ω VGS = - 10 V, ID = - 6 A, TJ = 125 °C 2
Drain-Source On-State Resistance RDS(on) 0.035 0.042 Ω VGS = - 10 V, ID = - 6 A, TJ = 175 °C 2
Input Capacitance Ciss 1010 1265 pF VGS = 0 V, VDS = - 15 V, f = 1 MHz 2
Gate Resistance Rg 1.5 3.36 5.5 Ω f = 1 MHz 2
Forward Voltage VSD -0.8 -1.1 V IF = - 2.1 A, VGS = 0 2
Drain-Source Voltage VDS -30 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID -10.8 A TC = 25 °C 1
Continuous Drain Current ID -6.2 A TC = 125 °C 1
Continuous Source Current (Diode Conduction) IS -5.4 A 1
Pulsed Drain Current IDM -43.2 A pulse width 300 μs, duty cycle 2 % 1
Single Pulse Avalanche Current IAS -21 A L = 0.1 mH 1
Single Pulse Avalanche Energy EAS 22 mJ 1
Maximum Power Dissipation PD 6 W TC = 25 °C 1
Maximum Power Dissipation PD 2 W TC = 125 °C 1
Operating Junction and Storage Temperature Range TJ, Tstg -55 175 °C 1
Junction-to-Ambient Thermal Resistance RthJA 92 °C/W PCB Mount 1
Junction-to-Foot (Drain) Thermal Resistance RthJF 25 °C/W 1

CAD (KiCad official)

  • Symbol: SQ4431EY-T1_GE3
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: sq4431ey-t1-ge3-etched.step / sq4431ey-t1-ge3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sq4431ey-t1-ge3.step / sq4431ey-t1-ge3.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Vishay Intertech datasheet (9 pp, sha256 398d1a38f7ae22c2, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF