# LN2502LT1G

**LRC** · MOSFETs · SOT-23

LN2502LT1G 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 of the N-channel MOSFET; the gate-source voltage is limited to ±12 V (VGS). |
| 2 | S | passive | Source of the N-channel MOSFET; the maximum diode forward current IS is 1.7 A. |
| 3 | D | passive | Drain of the N-channel MOSFET; drain-source voltage VDS is 20 V, continuous drain current ID is 6 A, and pulsed drain current IDM is 33 A. |

## 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 | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 6 | A | TA = 25°C | 1 |
| Pulsed Drain Current | IDM |  |  | 33 | A | Repetitive rating: pulse width limited by maximum junction temperature | 1 |
| Operating Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 20 |  |  | V | VGS = 0V, ID = 250uA | 2 |
| Drain-Source On-State Resistance | RDS(on) |  | 42 | 50 | mΩ | VGS = 2.5V, ID = 5.2A | 2 |
| Drain-Source On-State Resistance | RDS(on) |  | 33 | 40 | mΩ | VGS = 4.5V, ID = 6A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.4 |  |  | V | VDS = VGS, ID = 250uA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | uA | VDS = 20V, VGS = 0V | 2 |
| Gate Body Leakage | IGSS | -100 |  | 100 | nA | VGS = ± 12V, VDS = 0V | 2 |
| Forward Transconductance | gfs | 5 |  |  | S | VDS = 10V, ID = 6A | 2 |
| Total Gate Charge | Qg |  | 5 | 7 | nC | VDS = 10V, ID = 6A, VGS = 4.5V | 2 |
| Turn-On Delay Time | td(on) |  | 8 | 20 | ns | VDD = 10V, RG = 6Ω, ID = 1A, VGS = 4.5V | 2 |
| Turn-On Rise Time | tr |  | 10 | 20 | ns | VDD = 10V, RG = 6Ω, ID = 1A, VGS = 4.5V | 2 |
| Turn-Off Delay Time | td(off) |  | 22 | 45 | ns | VDD = 10V, RG = 6Ω, ID = 1A, VGS = 4.5V | 2 |
| Turn-Off Fall Time | tf |  | 6 | 15 | ns | VDD = 10V, RG = 6Ω, ID = 1A, VGS = 4.5V | 2 |
| Max. Diode Forward Current | IS |  |  | 1.7 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | IS = 1.7A, VGS = 0V | 2 |

## CAD (KiCad official)

- Symbol: `LN2502LT1G`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ln2502lt1g-etched.step` / `ln2502lt1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ln2502lt1g.step` / `ln2502lt1g.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/8588905525505634304) (5 pp, sha256 `9c4940df8895462a`, retrieved 2026-10-18, 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/ln2502lt1g-datasheet.pdf)