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Contents

README

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FS4822

FOSAN · MOSFETs · SOP-8

FS4822 from FOSAN, in a SOP-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 S2 passive Source of MOSFET 2 (N-channel), pin 1 at the dot marker; drain current up to 8 A continuous.
2 G2 input Gate of MOSFET 2, limited to ±20 V gate-source with a threshold of 1 V min to 1.9 V max at 250 µA.
3 S1 passive Source of MOSFET 1 (N-channel); drain current up to 8 A continuous.
4 G1 input Gate of MOSFET 1, limited to ±20 V gate-source with a threshold of 1 V min to 1.9 V max at 250 µA.
5 D1 passive Drain of MOSFET 1, tied to pin 6, rated 30 V drain-source with 8 A continuous and 40 A pulsed current.
6 D1 passive Drain of MOSFET 1, tied to pin 5, rated 30 V drain-source with 8 A continuous and 40 A pulsed current.
7 D2 passive Drain of MOSFET 2, tied to pin 8, rated 30 V drain-source with 8 A continuous and 40 A pulsed current.
8 D2 passive Drain of MOSFET 2, tied to pin 7, rated 30 V drain-source with 8 A continuous and 40 A pulsed current.

Key specifications

Parameter Value
Manufacturer FOSAN
Package SOP-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 BVDSS 30 V ID=250uA, VGS=0V 2
Gate Threshold Voltage VGS(th) 1 1.5 1.9 V ID=250uA, VGS=VDS 2
Zero Gate Voltage Drain Current IDSS 1 uA VGS=0V, VDS=24V 2
Gate Body Leakage IGSS 100 nA VGS=+20V, VDS=0V 2
Static Drain-Source On-State Resistance (10V row) RDS(ON) 17.5 27 mΩ ID=8A, VGS=10V 2
Static Drain-Source On-State Resistance (4.5V row) RDS(ON) 23 30 mΩ ID=7A, VGS=4.5V 2
Diode Forward Voltage Drop VSD 1 V ISD=1A, VGS=0V 2
Drain-Source Voltage BVDSS 30 V 1
Gate-Source Voltage VGS 20 V 1
Drain Current (continuous) ID 8 A TA = 25°C 1
Drain Current (pulsed) IDM 40 A 1
Total Device Dissipation PD 1700 mW TA = 25°C 1
Thermal Resistance Junction-Ambient RΘJA 73.5 ℃/W 1
Junction/Storage Temperature TJ,Tstg -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: FS4822
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: fs4822-etched.step / fs4822-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fs4822.step / fs4822.glb are the bare package body.

Provenance

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

  • Datasheet: FOSAN datasheet (5 pp, sha256 54aaaea03b9377f1, retrieved 2026-10-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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