# RYC002N05T316

**ROHM Semicon** · MOSFETs · SOT-23

RYC002N05T316 from ROHM Semicon, 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 | Gate | input | Gate terminal with internal ESD protection diode; gate-source voltage limited to ±8 V and threshold 0.3 to 0.8 V at VDS = 10 V, ID = 1 mA. |
| 2 | Source | passive | Source terminal of the Nch MOSFET, connected to the body diode anode; continuous forward body-diode current is 150 mA max. |
| 3 | Drain | passive | Drain terminal with VDSS of 50 V and continuous drain current of ±200 mA (±800 mA pulsed). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| 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 voltage | VDSS |  |  | 50 | V | Ta = 25°C | 1 |
| Continuous drain current | ID | -200 |  | 200 | mA |  | 1 |
| Pulsed drain current | IDP | -800 |  | 800 | mA | Pw≦10μs, Duty cycle≦1% | 1 |
| Gate - Source voltage | VGSS | -8 |  | 8 | V |  | 1 |
| Power dissipation | PD |  |  | 350 | mW | Mounted on a ceramic board (7.0×5.0×0.8mm) | 1 |
| Power dissipation | PD |  |  | 200 | mW | Mounted on a FR4 (20.0×12.0×0.8mm, Cu pad : 0.8mm2) | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Operating junction and storage temperature range | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Thermal resistance, junction - ambient | RthJA |  |  | 357 | ℃/W | Mounted on a ceramic board (7.0×5.0×0.8mm) | 2 |
| Thermal resistance, junction - ambient | RthJA |  |  | 625 | ℃/W | Mounted on a FR4 (20.0×12.0×0.8mm, Cu pad : 0.8mm2) | 2 |
| Drain - Source breakdown voltage | V(BR)DSS | 50 |  |  | V | VGS = 0V, ID = 1mA | 2 |
| Zero gate voltage drain current | IDSS |  |  | 1 | μA | VDS = 50V, VGS = 0V | 2 |
| Gate - Source leakage current | IGSS | -10 |  | 10 | μA | VGS = ±8V, VDS = 0V | 2 |
| Gate threshold voltage | VGS(th) | 0.3 |  | 0.8 | V | VDS = 10V, ID = 1mA | 2 |
| Static drain - source on - state resistance | RDS(on) |  |  | 2.2 | Ω | VGS = 4.5V, ID = 200mA; pulsed | 2 |
| Static drain - source on - state resistance | RDS(on) |  |  | 2.4 | Ω | VGS = 2.5V, ID = 200mA; pulsed | 2 |
| Static drain - source on - state resistance | RDS(on) |  |  | 2.8 | Ω | VGS = 1.5V, ID = 200mA; pulsed | 2 |
| Static drain - source on - state resistance | RDS(on) |  |  | 3.3 | Ω | VGS = 1.2V, ID = 100mA; pulsed | 2 |
| Static drain - source on - state resistance | RDS(on) |  |  | 9 | Ω | VGS = 0.9V, ID = 10mA; pulsed | 2 |
| Forward transfer admittance | /Yfs/ | 200 |  |  | mS | VDS = 10V, ID = 200mA; pulsed | 2 |
| Continuous forward current | IS |  |  | 150 | mA | Ta = 25℃ | 3 |
| Pulse forward current | ISP |  |  | 800 | mA | Pw≦10μs, Duty cycle≦1% | 3 |
| Forward voltage | VSD |  |  | 1.2 | V | VGS = 0V, IS = 200mA; pulsed | 3 |

## CAD (KiCad official)

- Symbol: `RYC002N05T316`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ryc002n05t316-etched.step` / `ryc002n05t316-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ryc002n05t316.step` / `ryc002n05t316.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912618139996160) (13 pp, sha256 `4f1063ff6e7e6791`, 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/ryc002n05t316-datasheet.pdf)