component

NP4446SR-S-G

Public Made by Adom

by adom

NATLINEAR MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttriode-mos tube-transistornp4446sr-s-gfactory-2.0.0extractor-text

Verified NP4446SR-S-G

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: NP4446SR-S-G · SOP-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 8-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: SOIC-8_3.9x4.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-jxvgb61_/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ np4446sr-s-g.kicad_sym✓ np4446sr-s-g.kicad_mod✓ np4446sr-s-g.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 2h ago
viewers np4446sr-s-g: viewers · Ray 2h ago
np4446sr-s-g-etched.glb Publish 0.1.0 · Ray 2h ago
np4446sr-s-g-etched.step np4446sr-s-g: factory component page (tier=lcsc) · Ray 2h ago
np4446sr-s-g-hero.glb np4446sr-s-g: hero GLB from the etched model (keeps the MPN mark) · Ray 2h ago
np4446sr-s-g-hero.overlay.json Publish 0.1.0 · Ray 2h ago
np4446sr-s-g.glb Publish 0.1.0 · Ray 2h ago
np4446sr-s-g.kicad_mod Publish 0.1.0 · Ray 2h ago
np4446sr-s-g.kicad_sym Publish 0.1.0 · Ray 2h ago
np4446sr-s-g.lbr Publish 0.1.0 · Ray 2h ago
np4446sr-s-g.step Publish 0.1.0 · Ray 2h ago
package.json Publish 0.1.0 · Ray 2h ago
page.json Set visibility: public · Ray 2h ago
README.md Publish 0.1.0 · Ray 2h ago
verification.json Verified: Published by the parts factory: tier lcsc, 8 pins · Ray 2h ago

NP4446SR-S-G

NATLINEAR · MOSFETs · SOP-8

NP4446SR-S-G from NATLINEAR, 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 S passive Source terminal of the N-channel MOSFET, tied to the other source pins (pin 1 is next to the package marking dot).
2 S passive Source terminal of the N-channel MOSFET, tied to the other source pins.
3 S passive Source terminal of the N-channel MOSFET, tied to the other source pins.
4 G input Gate terminal; gate-source voltage is rated at ±20 V maximum, with VGS(th) of 0.8 V min to 2.2 V max.
5 D passive Drain terminal, tied to the other drain pins; VDS is rated at 30 V and continuous ID at 15 A (TC=25°C).
6 D passive Drain terminal, tied to the other drain pins; VDS is rated at 30 V.
7 D passive Drain terminal, tied to the other drain pins; VDS is rated at 30 V.
8 D passive Drain terminal, tied to the other drain pins; VDS is rated at 30 V.

Key specifications

Parameter Value
Manufacturer NATLINEAR
Package SOP-8
Category Triode/MOS Tube/Transistor
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 voltage VDS 30 V TA=25°C unless otherwise noted 1
Gate-source voltage VGS -20 20 V TA=25°C unless otherwise noted 1
Continuous Drain Current ID 15 A TC=25°C 1
Continuous Drain Current ID 12 A TC=70°C 1
Pulsed Drain Current IDP 40 A 1
Avalanche energy EAS 50 mJ L=0.1mH 1
Power Dissipation PD 3 W TC=25°C 1
Power Dissipation PD 2.1 W TC=70°C 1
Operating junction temperature range Tj -55 150 ℃ 1
Storage temperature -55 150 ℃ Ordering information storage temperature 1
Drain-source breakdown voltage BVDSS 30 V VGS=0V, ID=250µA 2
Zero gate voltage drain current IDSS 1 µA VDS=30V, VGS=0V 2
Zero gate voltage drain current IDSS 5 µA TJ=85°C 2
Gate Leakage Current IGSS -100 100 nA VDS=0V, VGS=±20V 2
Gate threshold voltage VGS(th) 0.8 1.6 2.2 V VDS=VGS, ID=250µA 2
Drain-source on-state resistance RDS(ON) 6.8 8.5 mΩ VGS=10V, ID=15A 2
Drain-source on-state resistance RDS(ON) 9 12 mΩ VGS=4.5V, ID=11A 2
On Status Drain Current ID(ON) 40 A VDS=10V, VGS=5V 2
Diode Forward Voltage VSD 0.82 1.1 V ISD=1A, VGS=0V 2
Diode Continuous Forward Current IS 4 A 2
Gate Resistance RG 0.47 0.7 Ω VGS=0V, VDS=0V, f=1MHz 2
Total gate charge Qg 18 27 nC VGS=10V, VDS=15V, ID=15A 2
Reverse Recovery Time trr 28 ns IF=15A, dI/dt=100A/μs 2
Reverse Recovery Charge Qrr 40 nC 2
Input capacitance CISS 985 pF VGS=0V, VDS=15V, f=1.0MHz 2
Output capacitance COSS 205 pF 2
Reverse transfer capacitance CRSS 76 pF 2
Turn-on delay time td(ON) 7 ns VGS=10V, VDS=15V, RL=1Ω, RG=3Ω 2
Turn-on rise time tr 8 ns 2
Turn-off delay time tD(OFF) 22 ns 2
Turn-off fall time tf 6.8 ns 2
Gate-source charge Qgs 2.4 nC 2
Gate-drain charge Qgd 2.3 nC 2
Maximum Junction-to-Ambient (t ≤ 10s) RθJA 33 40 ℃/W t ≤ 10s 2
Maximum Junction-to-Ambient (steady-state) RθJA 59 75 ℃/W Steady-State 2
Maximum Junction-to-Lead (steady-state) RθJC 16 24 ℃/W Steady-State 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
contacts Copper Maximum Junction-to-Lead Steady-State B RθJC 16 24 A:The value of R qJA is measured with the device mounted on 1in 2 FR-4 board with 2oz. Copper, in a still air environment 2

CAD (KiCad official)

  • Symbol: NP4446SR-S-G
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: np4446sr-s-g-etched.step / np4446sr-s-g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); np4446sr-s-g.step / np4446sr-s-g.glb are the bare package body.

Provenance

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

  • Datasheet: NATLINEAR datasheet (8 pp, sha256 e23b16298680cf43, retrieved 2026-10-30, 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