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README

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SWB030R04VT

Samwin · MOSFETs · TO-263

SWB030R04VT from Samwin, in a TO-263. 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 Gate input Gate control input of the N-channel MOSFET, with gate-to-source voltage limited to ±20 V.
2 Drain passive Drain terminal, rated for 40 V drain-to-source voltage and 130 A continuous current (limited by junction temperature).
3 Source passive Source terminal of the MOSFET, with 130 A maximum continuous body-diode source current.

Key specifications

Parameter Value
Manufacturer Samwin
Package TO-263
Category Triode/MOS Tube/Transistor
Pins 3

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 to source breakdown voltage BVDSS 40 V VGS=0V, ID=250uA 2
Gate threshold voltage VGS(TH) 1 3 V VDS=VGS, ID=250uA 2
Drain to source on state resistance RDS(ON) 3.7 4.6 mΩ VGS=4.5V, ID=65A, TJ=25oC 2
Drain to source on state resistance RDS(ON) 2.8 3.5 mΩ VGS=10V, ID=65A, TJ=25oC 2
Drain to source on state resistance RDS(ON) 2.9 3.6 mΩ VGS=10V, ID=130A, TJ=25oC 2
Drain to source leakage current IDSS 1 uA VDS=40V, VGS=0V 2
Drain to source leakage current IDSS 50 uA VDS=32V, TJ=125oC 2
Gate to source leakage current, forward IGSS 100 nA VGS=20V, VDS=0V 2
Gate to source leakage current, reverse IGSS -100 nA VGS=-20V, VDS=0V 2
Continuous source current IS 130 A Integral reverse p-n Junction diode in the MOSFET 2
Pulsed source current ISM 520 A 2
Diode forward voltage drop VSD 1.4 V IS=30A, VGS=0V 2
Drain to source voltage VDSS 40 V 1
Continuous drain current ID 130 A TC=25oC; limited by junction temperature 1
Continuous drain current ID 86 A TC=100oC; limited by junction temperature 1
Drain current pulsed IDM 520 A note 1 1
Gate to source voltage VGS -20 20 V 1
Single pulsed avalanche energy EAS 828 mJ note 2 1
Repetitive avalanche energy EAR 49 mJ note 1 1
Peak diode recovery dv/dt dv/dt 5 V/ns note 3 1
Total power dissipation PD 121 W TC=25oC, TO-263 1
Derating factor above 25oC 0.97 W/oC TO-263 1
Operating junction temperature & storage temperature TSTG, TJ -55 150 oC 1
Maximum lead temperature for soldering TL 300 oC 1/8 from case for 5 seconds 1
Thermal resistance, Junction to case Rthjc 1.03 oC/W TO-263 1
Thermal resistance, Junction to ambient Rthja 52 oC/W 1
Breakdown voltage temperature coefficient ΔBVDSS/ΔTJ 0.02 V/oC ID=250uA, referenced to 25oC 2
Drain to source on state resistance RDS(ON) 6.1 mΩ VGS=4.5V, ID=65A,TJ=125oC 2
Drain to source on state resistance RDS(ON) 4.6 mΩ VGS=10V, ID=65A,TJ=125oC 2
Forward transconductance Gfs 140 S VDS=10V, ID=30A 2
Input capacitance Ciss 5850 pF VGS=0V, VDS=20V, f=1MHz 2
Output capacitance Coss 773 pF VGS=0V, VDS=20V, f=1MHz 2
Reverse transfer capacitance Crss 687 pF VGS=0V, VDS=20V, f=1MHz 2
Turn on delay time td(on) 19 ns VDS=20V, ID=30A, RG=4.7Ω, VGS=10V 2
Rising time tr 54 ns VDS=20V, ID=30A, RG=4.7Ω, VGS=10V 2
Turn off delay time td(off) 98 ns VDS=20V, ID=30A, RG=4.7Ω, VGS=10V 2
Fall time tf 35 ns VDS=20V, ID=30A, RG=4.7Ω, VGS=10V 2
Total gate charge Qg 120 nC VDS=32V, VGS=10V, ID=30A 2
Gate-source charge Qgs 17 nC VDS=32V, VGS=10V, ID=30A 2
Gate-drain charge Qgd 35 nC VDS=32V, VGS=10V, ID=30A 2
Gate resistance Rg 1.3 Ω VDS=0V, Scan F mode 2
Reverse recovery time trr 29 ns IS=30A, VGS=0V, dIF/dt=100A/us 2
Reverse recovery charge Qrr 19 nC IS=30A, VGS=0V, dIF/dt=100A/us 2

CAD (KiCad official)

  • Symbol: SWB030R04VT
  • Footprint: Package_TO_SOT_SMD:TO-263-2
  • 3D model: TO-263 (KiCad packages3D, STEP)
  • 3D model files: swb030r04vt-etched.step / swb030r04vt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); swb030r04vt.step / swb030r04vt.glb are the bare package body.

Provenance

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

  • Datasheet: Samwin datasheet (6 pp, sha256 7dce06988ed0cdde, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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