Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

SWB046R68E8T

Samwin · MOSFETs · TO-263

SWB046R68E8T 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; gate-to-source voltage limited to ±20 V, with Vgs(th) of 2 to 4 V.
2 Drain passive Drain terminal of the MOSFET; rated for 68 V drain-to-source and 145 A continuous drain current at TC=25°C (pulsed 580 A).
3 Source passive Source terminal of the MOSFET, connected to the body diode anode; continuous source current is 145 A.

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 voltage VDSS 68 V 1
Continuous drain current ID 145 A @TC=25°C; limited by junction temperature 1
Continuous drain current ID 97 A @TC=100°C; limited by junction temperature 1
Drain current pulsed IDM 580 A note 1 1
Gate to source voltage VGS -20 20 V 1
Single pulsed avalanche energy EAS 506 mJ note 2 1
Repetitive avalanche energy EAR 50 mJ note 1 1
Peak diode recovery dv/dt dv/dt 5 V/ns note 3 1
Total power dissipation PD 195.3 W @TC=25°C 1
Operating junction and storage temperature TSTG, TJ -55 150 °C 1
Maximum lead temperature for soldering TL 300 °C 1/8 from case for 5 seconds 1
Thermal resistance, junction to case Rthjc 0.64 °C/W 1
Thermal resistance, junction to ambient Rthja 45 °C/W 1
Drain to source breakdown voltage BVDSS 68 V VGS=0V, ID=250uA 2
Drain to source leakage current IDSS 1 uA VDS=68V, VGS=0V 2
Drain to source leakage current IDSS 50 uA VDS=54V, 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
Gate threshold voltage VGS(TH) 2 4 V VDS=VGS, ID=250uA 2
Drain to source on state resistance RDS(ON) 4.6 5.4 mΩ VGS=10V, ID=30A,TJ=25oC 2
Drain to source on state resistance RDS(ON) 7.5 mΩ VGS=10V, ID=30A,TJ=125oC 2
Continuous source current IS 145 A Integral reverse p-n Junction diode in the MOSFET 2
Pulsed source current ISM 580 A 2
Diode forward voltage drop VSD 1.4 V IS=45A, VGS=0V 2
Breakdown voltage temperature coefficient ΔBVDSS/ΔTJ 0.05 V/oC ID=250uA, referenced to 25oC 2
Forward transconductance Gfs 64 S VDS=5V, ID=30A 2
Input capacitance Ciss 6554 pF VGS=0V, VDS=34V, f=1MHz 2
Output capacitance Coss 543 pF VGS=0V, VDS=34V, f=1MHz 2
Reverse transfer capacitance Crss 386 pF VGS=0V, VDS=34V, f=1MHz 2
Turn on delay time td(on) 31 ns VDS=34V, ID=30A, RG=4.7Ω, VGS=10V 2
Rising time tr 75 ns VDS=34V, ID=30A, RG=4.7Ω, VGS=10V 2
Turn off delay time td(off) 131 ns VDS=34V, ID=30A, RG=4.7Ω, VGS=10V 2
Fall time tf 58 ns VDS=34V, ID=30A, RG=4.7Ω, VGS=10V 2
Total gate charge Qg 145 nC VDS=54V, VGS=10V, ID=30A, IG=5mA 2
Gate-source charge Qgs 30 nC VDS=54V, VGS=10V, ID=30A, IG=5mA 2
Gate-drain charge Qgd 51 nC VDS=54V, VGS=10V, ID=30A, IG=5mA 2
Gate resistance Rg 3.2 Ω VDS=0V, Scan F mode 2
Reverse recovery time trr 42 ns IS=30A, VGS=0V, dIF/dt=100A/us 2
Reverse recovery charge Qrr 64 nC IS=30A, VGS=0V, dIF/dt=100A/us 2

CAD (KiCad official)

  • Symbol: SWB046R68E8T
  • Footprint: Package_TO_SOT_SMD:TO-263-2
  • 3D model: TO-263 (KiCad packages3D, STEP)
  • 3D model files: swb046r68e8t-etched.step / swb046r68e8t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); swb046r68e8t.step / swb046r68e8t.glb are the bare package body.

Provenance

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

  • Datasheet: Samwin datasheet (6 pp, sha256 ebedb73713454144, 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