# DMN2056U-13

**Diodes Incorporated** · MOSFETs · SOT-23

DMN2056U-13 from Diodes Incorporated, in a SOT-23. 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 | G | input | Gate terminal, bottom-left in the top view; gate-source voltage is rated at ±8V maximum, with a gate threshold of 0.4V to 1.0V at 250µA. |
| 2 | S | passive | Source terminal, bottom-right in the top view; maximum body diode forward current is 1.0A. |
| 3 | D | passive | Drain terminal, top-center in the top view; drain-source voltage is rated at 20V maximum, with continuous drain current of 4.0A at TA = +25°C and VGS = 4.5V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## 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 | 20 |  |  | V | VGS = 0V, ID = 250µA | 3 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS = 20V, VGS = 0V | 3 |
| Gate-Source Leakage | IGSS | -100 |  | 100 | nA | VGS = ±8V, VDS = 0V | 3 |
| Gate Threshold Voltage | VGS(th) | 0.4 | 0.6 | 1 | V | VDS = VGS, ID = 250µA | 3 |
| Static Drain-Source On-Resistance | RDS(on) |  | 30 | 38 | mΩ | VGS = 4.5V, ID = 3.6A | 3 |
| Static Drain-Source On-Resistance | RDS(on) |  | 34 | 45 | mΩ | VGS = 2.5V, ID = 3.1A | 3 |
| Static Drain-Source On-Resistance | RDS(on) |  | 52 | 85 | mΩ | VGS = 1.5V, ID = 2.0A | 3 |
| Diode Forward Voltage | VSD |  | 0.7 | 1.2 | V | VGS = 0V, IS = 1A | 3 |
| Drain-Source Voltage | VDSS |  |  | 20 | V |  | 2 |
| Gate-Source Voltage | VGSS | -8 |  | 8 | V |  | 2 |
| Continuous Drain Current (steady state) | ID |  |  | 4 | A | VGS = 4.5V, steady state, TA = +25°C (Note 6) | 2 |
| Continuous Drain Current (steady state) | ID |  |  | 3.2 | A | VGS = 4.5V, steady state, TA = +70°C (Note 6) | 2 |
| Maximum Body Diode Forward Current | IS |  |  | 1 | A | Note 6 | 2 |
| Pulsed Drain Current | IDM |  |  | 22 | A | 10µs pulse, duty cycle = 1% | 2 |
| Power Dissipation | PD |  | 0.66 |  | W | Note 5: FR-4 PCB, 2oz copper, minimum recommended pad layout, steady state | 2 |
| Thermal Resistance, Junction to Ambient | RθJA |  | 192 |  | °C/W | Note 5: FR-4 PCB, 2oz copper, minimum recommended pad layout, steady state | 2 |
| Power Dissipation | PD |  | 0.94 |  | W | Note 6: FR-4 PCB, 2oz copper, thermal bias to bottom layer 1 inch square copper plate, steady state | 2 |
| Thermal Resistance, Junction to Ambient | RθJA |  | 136 |  | °C/W | Note 6: FR-4 PCB, 2oz copper, thermal bias to bottom layer 1 inch square copper plate, steady state | 2 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 2 |
| Thermal Resistance, Junction to Ambient (transient curve basis) | RθJA |  | 189 |  | °C/W | Figure 13 note: RθJA used to scale transient thermal response r(t) | 6 |

## CAD (KiCad official)

- Symbol: `DMN2056U-13`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `dmn2056u-13-etched.step` / `dmn2056u-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dmn2056u-13.step` / `dmn2056u-13.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560095187659235328) (8 pp, sha256 `4bf71d7780cec6eb`, retrieved 2026-10-09, 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/dmn2056u-13-datasheet.pdf)