component
CMS4946A
Public Made by Adomby adom
Cmos(广东场效应半导体) MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 17d ago |
| viewers | 17d ago |
| cms4946a-etched.glb | 17d ago |
| cms4946a-etched.step | 17d ago |
| cms4946a-hero.glb | 17d ago |
| cms4946a-hero.overlay.json | 17d ago |
| cms4946a.glb | 17d ago |
| cms4946a.kicad_mod | 17d ago |
| cms4946a.kicad_sym | 17d ago |
| cms4946a.lbr | 17d ago |
| cms4946a.step | 17d ago |
| package.json | 17d ago |
| page.json | 17d ago |
| README.md | 17d ago |
CMS4946A
Cmos(广东场效应半导体) · MOSFETs · SOP-8
CMS4946A from Cmos(广东场效应半导体), 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 | S1 | passive | Source of MOSFET 1 (N-channel, 60V VDS rating). |
| 2 | G1 | input | Gate of MOSFET 1, with a gate-source voltage limit of ±20V. |
| 3 | S2 | passive | Source of MOSFET 2 (N-channel, 60V VDS rating). |
| 4 | G2 | input | Gate of MOSFET 2, with a gate-source voltage limit of ±20V. |
| 5 | D2 | passive | Drain of MOSFET 2, rated 60V VDS and 5A continuous. |
| 6 | D2 | passive | Drain of MOSFET 2, rated 60V VDS and 5A continuous (tied to pin 5). |
| 7 | D1 | passive | Drain of MOSFET 1, rated 60V VDS and 5A continuous. |
| 8 | D1 | passive | Drain of MOSFET 1, rated 60V VDS and 5A continuous (tied to pin 7). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Cmos(广东场效应半导体) |
| 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 Voltage | VDS | 60 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | 5 | A | TC=25℃ | 1 | ||
| Continuous Drain Current | ID | 3.5 | A | TC=100℃ | 1 | ||
| Pulsed Drain Current | IDM | 20 | A | 1 | |||
| Single Pulse Avalanche Energy | EAS | 18 | mJ | VDD=30V, VGS=10V, L=0.5mH, IAS=8.5A (Note 1) | 1 | ||
| Total Power Dissipation | PD | 2 | W | TC=25℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Junction Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 62.5 | ℃/W | 1 | |||
| Thermal Resistance Junction-Case | RθJC | 34 | ℃/W | 1 | |||
| Drain-Source Breakdown Voltage | BVDSS | 60 | V | VGS=0V, ID=250μA | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 36 | 44 | mΩ | VGS=10V, ID=5A | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 41 | 50 | mΩ | VGS=4.5V, ID=2.5A | 2 | |
| Gate Threshold Voltage | VGS(th) | 1 | 3 | V | VGS=VDS, ID=250μA | 2 | |
| Drain-Source Leakage Current | IDSS | 1 | uA | VDS=60V, VGS=0V | 2 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V, VDS=0V | 2 | |
| Continuous Source Current | IS | 5 | A | 2 | |||
| Pulsed Source Current | ISM | 20 | A | VG=VD=0V, Force Current | 2 | ||
| Diode Forward Voltage | VSD | 0.76 | 1.2 | V | VGS=0V, IS=1A, TJ=25℃ | 2 |
CAD (KiCad official)
- Symbol:
CMS4946A - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
cms4946a-etched.step/cms4946a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cms4946a.step/cms4946a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Cmos(广东场效应半导体) datasheet (4 pp, sha256
1fa06993a602aa21, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).