component
CMS4812
Public Made by Adomby adom
Cmos MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownCMS4812
Cmos · MOSFETs · SOP-8
CMS4812 from Cmos, 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, VDS 30 V, ID 6.9 A). |
| 2 | G1 | input | Gate of MOSFET 1; gate-source voltage limit ±20 V. |
| 3 | S2 | passive | Source of MOSFET 2 (N-channel, VDS 30 V, ID 6.9 A). |
| 4 | G2 | input | Gate of MOSFET 2; gate-source voltage limit ±20 V. |
| 5 | D2 | passive | Drain of MOSFET 2; 30 V drain-source rating, 6.9 A continuous. |
| 6 | D2 | passive | Drain of MOSFET 2; 30 V drain-source rating, 6.9 A continuous. |
| 7 | D1 | passive | Drain of MOSFET 1; 30 V drain-source rating, 6.9 A continuous. |
| 8 | D1 | passive | Drain of MOSFET 1; 30 V drain-source rating, 6.9 A continuous. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| 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 Breakdown Voltage | BVDSS | 30 | V | VGS=0V, ID=250μA | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 23 | mΩ | VGS=10V, ID=6.9A | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 30 | mΩ | VGS=4.5V, ID=5A | 2 | ||
| Gate Threshold Voltage | VGS(th) | 1 | 3 | V | VGS=VDS, ID=250μA | 2 | |
| Drain-Source Leakage Current | IDSS | 1 | uA | VDS=24V, VGS=0V | 2 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V, VDS=0V | 2 | |
| Diode Forward Voltage | VSD | 1.1 | V | VGS=0V, IS=1A | 2 | ||
| Drain-Source Voltage | VDS | 30 | V | TA=25℃ | 1 | ||
| Gate-Source Voltage | VGS | -20 | 20 | V | TA=25℃ | 1 | |
| Continuous Drain Current | ID | 6.9 | A | TA=25℃ | 1 | ||
| Pulsed Drain Current | IDM | 21 | A | TA=25℃ | 1 | ||
| Total Power Dissipation | PD | 2 | W | TA=25℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Junction Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 110 | ℃/W | Steady-State | 1 | ||
| Forward Transconductance | gfs | 7 | S | VDS=4.5V, ID=6.9A | 2 | ||
| Total Gate Charge | Qg | 13 | nC | VDS=15V, VGS=10V, ID=6.9A | 2 | ||
| Gate-Drain Charge | Qgd | 3.2 | nC | VDS=15V, VGS=10V, ID=6.9A | 2 | ||
| Turn-On Delay Time | Td(on) | 6 | ns | VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω | 2 | ||
| Rise Time | Tr | 4.8 | ns | VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω | 2 | ||
| Turn-Off Delay Time | Td(off) | 28 | ns | VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω | 2 | ||
| Fall Time | Tf | 7 | ns | VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω | 2 | ||
| Input Capacitance | Ciss | 450 | pF | VDS=15V, VGS=0V, f=1MHz | 2 | ||
| Output Capacitance | Coss | 95 | pF | VDS=15V, VGS=0V, f=1MHz | 2 | ||
| Reverse Transfer Capacitance | Crss | 68 | pF | VDS=15V, VGS=0V, f=1MHz | 2 |
CAD (KiCad official)
- Symbol:
CMS4812 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
cms4812-etched.step/cms4812-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cms4812.step/cms4812.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Cmos datasheet (2 pp, sha256
02407a5eee0387db, retrieved 2026-10-23, 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).