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FH3108D

鑫飞宏 · IC · TO-252

FH3108D from 鑫飞宏, in a TO-252. 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 of the N-channel MOSFET, with a maximum gate-source voltage of ±20 V.
2 D passive Drain of the N-channel MOSFET, connected to the metal tab, with VDS rated at 85 V and continuous ID of 104 A.
3 S passive Source of the N-channel MOSFET, with a diode forward current of up to 104 A.

Key specifications

Parameter Value
Manufacturer 鑫飞宏
Package TO-252
Category
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 VDS 85 V TC=25℃ 1
Gate-Source Voltage VGS -20 20 V TC=25℃ 1
Drain Current-Continuous ID 104 A TC=25℃ 1
Drain Current-Continuous (TC=100℃) ID(TC=100℃) 68 A TC=100℃ 1
Pulsed Drain Current IDM 270 A Note 1 1
Maximum Power Dissipation PD 130 W TC=25℃ 1
Avalanche Energy EAS 625 mJ L=0.5mH 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 175 ℃ 1
Drain-Source Breakdown Voltage BVDSS 85 V VGS=0V,ID=250μA 2
Zero Gate Voltage Drain Current IDSS 1 μA VDS=80V,VGS=0V 2
Gate-Body Leakage Current IGSS -100 100 nA VGS=±20V,VDS=0V 2
Gate Threshold Voltage VGS(th) 2.4 3 3.8 V VDS=VGS,ID=250μA 2
Drain-Source On-State Resistance RDS(ON) 4.4 5 6 mΩ VGS=10V,ID=30A 2
Diode Forward Voltage VSD 1.2 V VGS=0V,IS=10A 2
Diode Forward Current IS 104 A 2
Thermal Resistance, Junction-to-Case RθJC 1.2 ℃/W Note 2: surface mounted on FR4 board, t ≤ 10 sec 1

CAD (KiCad official)

  • Symbol: FH3108D
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: fh3108d-etched.step / fh3108d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fh3108d.step / fh3108d.glb are the bare package body.

Provenance

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

  • Datasheet: 鑫飞宏 datasheet (6 pp, sha256 b2299d7388bcf8ab, retrieved 2026-10-17, 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