# CMS4606B

**Cmos** · MOSFETs · SOP-8

CMS4606B 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 the N-channel MOSFET (VDS 30V, ID 6A). |
| 2 | G1 | input | Gate of the N-channel MOSFET (VGS max ±20V). |
| 3 | S2 | passive | Source of the P-channel MOSFET (VDS -30V, ID -6.5A). |
| 4 | G2 | input | Gate of the P-channel MOSFET (VGS max ±20V). |
| 5 | D2 | passive | Drain of the P-channel MOSFET (VDS -30V, ID -6.5A), shorted with pin 6. |
| 6 | D2 | passive | Drain of the P-channel MOSFET (VDS -30V, ID -6.5A), shorted with pin 5. |
| 7 | D1 | passive | Drain of the N-channel MOSFET (VDS 30V, ID 6A), shorted with pin 8. |
| 8 | D1 | passive | Drain of the N-channel MOSFET (VDS 30V, ID 6A), shorted with pin 7. |

## 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 |
|---|---|---|---|---|---|---|---|
| N-channel Drain-Source Breakdown Voltage | BVDSS | 30 |  |  | V | VGS=0V, ID=250μA | 2 |
| N-channel Static Drain-Source On-Resistance | RDS(ON) |  |  | 22 | mΩ | VGS=10V, ID=6A | 2 |
| N-channel Static Drain-Source On-Resistance | RDS(ON) |  |  | 34 | mΩ | VGS=4.5V, ID=5A | 2 |
| N-channel Gate Threshold Voltage | VGS(th) | 1 |  | 2.5 | V | VGS=VDS, ID=250μA | 2 |
| N-channel Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=24V, VGS=0V | 2 |
| N-channel Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| N-channel Continuous Source Current | IS |  |  | 6 | A |  | 2 |
| N-channel Pulsed Source Current | ISM |  |  | 18 | A | VG=VD=0V, Force Current | 2 |
| N-channel Diode Forward Voltage | VSD |  |  | 1 | V | VGS=0V, IS=1A | 2 |
| P-channel Drain-Source Breakdown Voltage | BVDSS | -30 |  |  | V | VGS=0V, ID=-250μA | 3 |
| P-channel Static Drain-Source On-Resistance | RDS(ON) |  |  | 40 | mΩ | VGS=-10V, ID=-4A | 3 |
| P-channel Static Drain-Source On-Resistance | RDS(ON) |  |  | 60 | mΩ | VGS=-4.5V, ID=-3A | 3 |
| P-channel Gate Threshold Voltage | VGS(th) | -1 |  | -2.5 | V | VGS=VDS, ID=-250μA | 3 |
| P-channel Drain-Source Leakage Current | IDSS |  |  | -1 | uA | VDS=-24V, VGS=0V | 3 |
| P-channel Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 3 |
| P-channel Continuous Source Current | IS |  |  | 6.5 | A |  | 3 |
| P-channel Pulsed Source Current | ISM |  |  | 20 | A | VG=VD=0V, Force Current | 3 |
| P-channel Diode Forward Voltage | VSD |  |  | -1 | V | VGS=0V, IS=-1A | 3 |
| N-channel Drain-Source Voltage | VDS |  |  | 30 | V |  | 1 |
| N-channel Continuous Drain Current | ID |  |  | 6 | A |  | 1 |
| N-channel Continuous Drain Current | ID |  |  | 5 | A | @TC=70℃ | 1 |
| N-channel Pulsed Drain Current | IDM |  |  | 18 | A |  | 1 |
| N-channel Single Pulse Avalanche Energy | EAS |  |  | 20 | mJ |  | 1 |
| P-channel Drain-Source Voltage | VDS | -30 |  |  | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| P-channel Continuous Drain Current | ID |  |  | -6.5 | A | @TC=25℃ | 1 |
| P-channel Continuous Drain Current | ID |  |  | -5.3 | A | @TC=70℃ | 1 |
| P-channel Pulsed Drain Current | IDM |  |  | -20 | A |  | 1 |
| P-channel Single Pulse Avalanche Energy | EAS |  |  | 35 | mJ |  | 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 |
| Maximum Junction-to-Ambient (Steady-State) | RθJA |  |  | 62.5 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `CMS4606B`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `cms4606b-etched.step` / `cms4606b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cms4606b.step` / `cms4606b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Cmos datasheet](docs/cms4606b-datasheet.pdf) (3 pp, sha256 `201658c2fb7cc99c`, retrieved 2026-11-05, 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](docs/cms4606b-datasheet.pdf)