component
CMS8125B
Public Made by Adomby adom
Cmos(广东场效应半导体) , 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
markdownCMS8125B
Cmos(广东场效应半导体) · IC · SOP-8
CMS8125B 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 | S | passive | Source terminal of the P-channel MOSFET; pins 1-3 are source. |
| 2 | S | passive | Source terminal of the P-channel MOSFET; pins 1-3 are source. |
| 3 | S | passive | Source terminal of the P-channel MOSFET; pins 1-3 are source. |
| 4 | G | input | Gate terminal; gate-source voltage limited to ±20 V with threshold of -1 to -2.5 V. |
| 5 | D | passive | Drain terminal; drain-source voltage rated -25 V, continuous drain current -18 A. |
| 6 | D | passive | Drain terminal; drain-source voltage rated -25 V, continuous drain current -18 A. |
| 7 | D | passive | Drain terminal; drain-source voltage rated -25 V, continuous drain current -18 A. |
| 8 | D | passive | Drain terminal; drain-source voltage rated -25 V, continuous drain current -18 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Cmos(广东场效应半导体) |
| Package | SOP-8 |
| Category | |
| 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 | -25 | V | VGS=0V, ID=-250μA | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 7 | mΩ | VGS=-10V, ID=-15A | 2 | ||
| Static Drain-Source On-Resistance | RDS(ON) | 9 | mΩ | VGS=-4.5V, ID=-12A | 2 | ||
| Gate Threshold Voltage | VGS(th) | -1 | -2.5 | V | VGS=VDS, ID=-250μA | 2 | |
| Drain-Source Leakage Current | IDSS | -1 | uA | VDS=-30V, VGS=0V | 2 | ||
| Diode Forward Voltage | VSD | -1.2 | V | VGS=0V, ISD=-1A | 2 | ||
| Gate-Source Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V, VDS=0V | 2 | |
| Total Gate Charge | Qg | 160 | nC | VDS=-15V, VGS=-10V, ID=-18A | 2 | ||
| Gate-Drain Charge | Qgd | 40 | nC | VDS=-15V, VGS=-10V, ID=-18A | 2 | ||
| Turn-On Delay Time | Td(on) | 10 | ns | VDS=-15V, VGS=-10V, RL=1.7Ω | 2 | ||
| Rise Time | Tr | 20 | ns | VDS=-15V, VGS=-10V, RL=1.7Ω | 2 | ||
| Turn-Off Delay Time | Td(off) | 275 | ns | VDS=-15V, VGS=-10V, RL=1.7Ω | 2 | ||
| Fall Time | Tf | 780 | ns | VDS=-15V, VGS=-10V, RL=1.7Ω | 2 | ||
| Input Capacitance | Ciss | 7000 | pF | VDS=-10V, VGS=0V, f=1MHz | 2 | ||
| Output Capacitance | Coss | 755 | pF | VDS=-10V, VGS=0V, f=1MHz | 2 | ||
| Reverse Transfer Capacitance | Crss | 564 | pF | VDS=-10V, VGS=0V, f=1MHz | 2 | ||
| Forward Transconductance | gfs | 30 | S | VDS=-5V, ID=-5A | 2 | ||
| Gate Resistance | Rg | 50 | Ω | VDS=0V, VGS=0V, f=1MHz | 2 | ||
| Drain-Source Voltage | VDS | -25 | V | 1 | |||
| Gate-Source Voltage | VGS | -20 | 20 | V | 1 | ||
| Continuous Drain Current | ID | -18 | A | 1 | |||
| Pulsed Drain Current | IDM | -50 | A | 1 | |||
| Continuous Drain Current | ID | -15 | A | TC=100℃ | 1 | ||
| Total Power Dissipation | PD | 2 | W | TA=25℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Operating Junction Temperature Range | TJ | 150 | ℃ | 1 | |||
| Thermal Resistance, Junction-to-Ambient | RθJA | 65.8 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
CMS8125B - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
cms8125b-etched.step/cms8125b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cms8125b.step/cms8125b.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 (2 pp, sha256
8f1d845b2b748ba9, retrieved 2026-10-20, 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).