# 2N7002B

**UMW** · MOSFETs · SOT-23

2N7002B from UMW, 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 of the N-channel MOSFET; gate-source voltage is rated to ±20 V (VGS). |
| 2 | SOURCE | passive | Source terminal of the N-channel MOSFET, the reference for the gate-source voltage (VGS) rated to ±20 V. |
| 3 | DRAIN | passive | Drain terminal of the N-channel MOSFET; drain-source voltage is rated 60 V and continuous drain current 0.115 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate-body Leakage | IGSS | -80 |  | 80 | nA | VDS=0 V, VGS=±20 V | 2 |
| Drain-Source On-Resistance | RDS(on) |  |  | 5 | Ω | VGS=10 V, ID=500mA | 2 |
| Drain-Source On-Resistance | RDS(on) |  |  | 7 | Ω | VGS=5 V, ID=50mA | 2 |
| Drain-source on-voltage | VDS(on) |  | 0.5 | 3.75 | V | VGS=10V, ID=500mA | 2 |
| Drain-source on-voltage | VDS(on) |  | 0.05 | 0.375 | V | VGS=5V, ID=50mA | 2 |
| Diode Forward Voltage | VSD |  | 0.55 | 1.2 | V | IS=115mA, VGS=0 V | 2 |
| Drain-Source Voltage | VDS |  |  | 60 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 0.115 | A |  | 1 |
| Power Dissipation | PD |  |  | 0.225 | W |  | 1 |
| Gate-Source Voltage | VGS |  |  | 20 | V |  | 1 |
| Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature | Tstg | -50 |  | 150 | ℃ |  | 1 |
| Thermal Resistance from Junction to Ambient | RθJA |  | 556 |  | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `2N7002B`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `2n7002b-etched.step` / `2n7002b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2n7002b.step` / `2n7002b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907205457793024) (4 pp, sha256 `7a0ae70eb7f306b2`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/2n7002b-datasheet.pdf)