# DMP4025LSS-13

**Diodes Incorporated** · MOSFETs · SO-8

DMP4025LSS-13 from Diodes Incorporated, in a SO-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 of the P-channel MOSFET, tied to pins 2 and 3 (device rated VDSS -40V, continuous ID -8.0A). |
| 2 | S | passive | Source of the P-channel MOSFET, tied to pins 1 and 3 (device rated VDSS -40V, continuous ID -8.0A). |
| 3 | S | passive | Source of the P-channel MOSFET, tied to pins 1 and 2 (device rated VDSS -40V, continuous ID -8.0A). |
| 4 | G | input | Gate of the P-channel MOSFET, with VGSS rating of ±20V and threshold VGS(th) of -0.8V min to -1.8V max. |
| 5 | D | passive | Drain of the P-channel MOSFET, tied to pins 6, 7 and 8 (RDS(on) max 25mΩ at VGS=-10V). |
| 6 | D | passive | Drain of the P-channel MOSFET, tied to pins 5, 7 and 8 (RDS(on) max 25mΩ at VGS=-10V). |
| 7 | D | passive | Drain of the P-channel MOSFET, tied to pins 5, 6 and 8 (RDS(on) max 25mΩ at VGS=-10V). |
| 8 | D | passive | Drain of the P-channel MOSFET, tied to pins 5, 6 and 7 (RDS(on) max 25mΩ at VGS=-10V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SO-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 | -40 |  |  | V | ID = -250μA, VGS = 0V | 4 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -1 | μA | VDS = -40V, VGS = 0V | 4 |
| Gate-Source Leakage | IGSS | -100 |  | 100 | nA | VGS = ±20V, VDS = 0V | 4 |
| Gate Threshold Voltage | VGS(th) | -0.8 | -1.3 | -1.8 | V | ID = -250μA, VDS = VGS | 4 |
| Static Drain-Source On-Resistance | RDS (ON) |  | 18 | 25 | mΩ | VGS = -10V, ID = -3A | 4 |
| Static Drain-Source On-Resistance | RDS (ON) |  | 30 | 45 | mΩ | VGS = -4.5V, ID = -3A | 4 |
| Diode Forward Voltage | VSD |  | -0.7 | -1 | V | IS = -1A, VGS = 0V | 4 |
| Drain-Source Voltage | VDSS |  |  | -40 | V | TA = 25°C | 2 |
| Gate-Source Voltage | VGSS | -20 |  | 20 | V | TA = 25°C | 2 |
| Continuous Drain Current | ID |  |  | -8 | A | VGS = -10V, TA = 25°C (Notes 6) | 2 |
| Continuous Drain Current | ID |  |  | -6.9 | A | VGS = -10V, TA = 70°C (Notes 6) | 2 |
| Continuous Drain Current | ID |  |  | -6 | A | VGS = -10V (Notes 5) | 2 |
| Pulsed Drain Current | IDM |  |  | -30 | A | VGS = -10V (Notes 7) | 2 |
| Continuous Source Current (Body diode) | IS |  |  | -8 | A | (Notes 7) | 2 |
| Pulsed Source Current (Body diode) | ISM |  |  | -30 | A | (Notes 7) | 2 |
| Power Dissipation | PD |  |  | 1.52 | W | TA = 25°C (Notes 5) | 2 |
| Power Dissipation | PD |  |  | 2.4 | W | TA = 25°C (Notes 6) | 2 |
| Thermal Resistance, Junction to Ambient | RθJA |  | 82 |  | °C/W | (Notes 5) | 2 |
| Thermal Resistance, Junction to Ambient | RθJA |  | 52 |  | °C/W | (Notes 6) | 2 |
| Thermal Resistance, Junction to Lead | RθJL |  | 48.85 |  | °C/W | (Notes 8) | 2 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 2 |
| Forward Transconductance | gfs |  | 16.6 |  | S | VDS = -5V, ID = -3A | 4 |
| Input Capacitance | Ciss |  | 1640 |  | pF | VDS = -20V, VGS = 0V, f = 1MHz | 4 |
| Output Capacitance | Coss |  | 179 |  | pF | VDS = -20V, VGS = 0V, f = 1MHz | 4 |
| Reverse Transfer Capacitance | Crss |  | 128 |  | pF | VDS = -20V, VGS = 0V, f = 1MHz | 4 |
| Gate Resistance | Rg |  | 6.43 |  | Ω | VDS = 0V, VGS = 0V, f = 1MHz | 4 |
| Total Gate Charge | Qg |  | 14 |  | nC | VGS = -4.5V, VDS = -20V, ID = -3A | 4 |
| Total Gate Charge | Qg |  | 33.7 |  | nC | VGS = -10V, VDS = -20V, ID = -3A | 4 |
| Gate-Source Charge | Qgs |  | 5.5 |  | nC | VGS = -10V, VDS = -20V, ID = -3A | 4 |
| Gate-Drain Charge | Qgd |  | 7.3 |  | nC | VGS = -10V, VDS = -20V, ID = -3A | 4 |
| Turn-On Delay Time | tD(on) |  | 6.9 |  | ns | VDD = -20V, VGS = -10V, ID = -3A | 4 |
| Turn-On Rise Time | tr |  | 14.7 |  | ns | VDD = -20V, VGS = -10V, ID = -3A | 4 |
| Turn-Off Delay Time | tD(off) |  | 53.7 |  | ns | VDD = -20V, VGS = -10V, ID = -3A | 4 |
| Turn-Off Fall Time | tf |  | 30.9 |  | ns | VDD = -20V, VGS = -10V, ID = -3A | 4 |

## 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 | tin | • Terminals: Finish - Matte Tin annealed over Copper lead frame. | 1 |

## CAD (KiCad official)

- Symbol: `DMP4025LSS-13`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files: `dmp4025lss-13-etched.step` / `dmp4025lss-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dmp4025lss-13.step` / `dmp4025lss-13.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/DMP4025LSS-13.pdf) (8 pp, sha256 `3464468c6ccc6d61`, retrieved 2026-10-26, tier: manufacturer)
- **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/dmp4025lss-13-datasheet.pdf)