# LN2302BLT1G

**LRC** · MOSFETs · SOT-23

LN2302BLT1G from LRC, 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; gate-source voltage limited to ±8 V, with threshold VGS(th) of 0.5 V min, 0.75 V typ, 1.0 V max at ID=250 μA. |
| 2 | S | passive | Source; body-diode continuous current IS is 1.6 A max and continuous drain current is 2.8 A at TA=25℃. |
| 3 | D | passive | Drain; drain-source voltage rated 20 V max, pulsed drain current IDM 10 A, with RDS(ON) of 85 mΩ max at VGS=4.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LRC |
| 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 |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGSS | -8 |  | 8 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 2.8 | A | tJ=150℃, TA=25℃ | 1 |
| Continuous Drain Current | ID |  |  | 2.2 | A | tJ=150℃, TA=70℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 10 | A |  | 1 |
| Maximum Body-Diode Continuous Current | IS |  |  | 1.6 | A |  | 1 |
| Maximum Power Dissipation | PD |  |  | 1.25 | W | TA=25℃ | 1 |
| Maximum Power Dissipation | PD |  |  | 0.8 | W | TA=70℃ | 1 |
| Operating Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Maximum Junction-to-Ambient Thermal Resistance | RthJA |  |  | 77 | ℃/W | T≦10 sec; device mounted on 1in2 FR4 board, 2 oz copper | 1 |
| Maximum Junction-to-Ambient Thermal Resistance | RthJA |  |  | 105 | ℃/W | Steady State; device mounted on 1in2 FR4 board, 2 oz copper | 1 |
| Thermal Resistance-Junction to Case | RθJC |  |  | 70 | ℃/W |  | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS | 20 |  |  | V | VGS=0V, ID=250μA | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 | 0.75 | 1 | V | VDS=VGS, ID=250μA | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±8V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=20V, VGS=0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 10 | μA | VDS=20V, VGS=0V, TJ=55℃ | 2 |
| On-State Drain Current | ID(ON) | 6 |  |  | A | VDS≧5V, VGS=4.5V | 2 |
| On-State Drain Current | ID(ON) | 4 |  |  | A | VDS≧5V, VGS=2.5V | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 55 | 85 | mΩ | VGS=4.5V, ID=2.8A | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 65 | 115 | mΩ | VGS=2.5V, ID=2.5A | 2 |
| Drain-Source On-Resistance | RDS(ON) |  | 80 | 130 | mΩ | VGS=1.8V, ID=2.2A | 2 |
| Diode Forward Voltage | VSD |  | 0.75 | 1.2 | V | IS=1A, VGS=0V | 2 |

## CAD (KiCad official)

- Symbol: `LN2302BLT1G`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ln2302blt1g-etched.step` / `ln2302blt1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ln2302blt1g.step` / `ln2302blt1g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [LRC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182940879831040) (5 pp, sha256 `5f8c971f8ed0ba0f`, retrieved 2026-10-17, 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/ln2302blt1g-datasheet.pdf)