component

HY3810B

Public Made by Adom

by adom

HUAYI MOSFETs, TO-263-2L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HY3810B

HUAYI · MOSFETs · TO-263-2L

HY3810B from HUAYI, in a TO-263-2L. 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 G input Gate; drives the 100V N-channel MOSFET, with VGS rated ±25V and threshold of 2.0 to 4.0V.
2 D passive Drain (exposed tab); VDSS is 100V and continuous drain current is 180A at TC=25°C.
3 S passive Source; diode continuous forward current is 180A at TC=25°C.

Key specifications

Parameter Value
Manufacturer HUAYI
Package TO-263-2L
Category Transistors/Thyristors
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-Source Voltage VDSS 100 V 2
Gate-Source Voltage VGSS -25 25 V 2
Maximum Junction Temperature TJ 175 °C 2
Storage Temperature Range TSTG -55 175 °C 2
Diode Continuous Forward Current IS 180 A TC=25°C 2
Continuous Drain Current ID 180 A TC=25°C 2
Continuous Drain Current ID 132 A TC=100°C 2
Maximum Power Dissipation PD 346 W TC=25°C 2
Maximum Power Dissipation PD 173 W TC=100°C 2
Thermal Resistance-Junction to Case RJC 0.43 °C/W 2
Thermal Resistance-Junction to Ambient RJA 62.5 °C/W 2
Zero Gate Voltage Drain Current IDSS 1 A VDS=100V, VGS=0V 2
Zero Gate Voltage Drain Current IDSS 10 A TJ=85°C 2
Gate Threshold Voltage VGS(th) 2 3 4 V VDS=VGS, IDS=250μA 2
Gate Leakage Current IGSS -100 100 nA VGS=±25V, VDS=0V 2
Drain-Source On-state Resistance RDS(ON) 5 6.5 mΩ VGS=10V, IDS=90A 2
Diode Forward Voltage VSD 0.8 1 V ISD=90A, VGS=0V 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing PC Note: HUAYI lead -free products contain molding compounds/die attach materials and 100% matte tin plate Termin -free products meet or exceed the lead￾Free requirements of IPC/JEDEC J-STD-020 for MSL c 1
contacts tin ation finish;which are fully compliant with RoHS. HUAYI lead Note: HUAYI lead -free products contain molding compounds/die attach materials and 100% matte tin plate 1

CAD (KiCad official)

  • Symbol: HY3810B
  • Footprint: Package_TO_SOT_SMD:TO-263-2
  • 3D model: TO-263-2L (KiCad packages3D, STEP)
  • 3D model files: hy3810b-etched.step / hy3810b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hy3810b.step / hy3810b.glb are the bare package body.

Provenance

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

  • Datasheet: HUAYI datasheet (14 pp, sha256 eaf4ef3b2102ed0d, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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