# JMTL2312A

**Jiangsu JieJie Microelectronics** · MOSFETs · SOT-23

JMTL2312A from Jiangsu JieJie Microelectronics, 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; controls the channel, with absolute maximum gate-to-source voltage of ±12 V and threshold of 0.5 to 1.0 V at 250 µA. |
| 2 | S | passive | Source of the N-channel MOSFET; body diode anode, with continuous drain current of 6.8 A at TA = 25°C. |
| 3 | D | passive | Drain of the N-channel MOSFET; maximum drain-to-source voltage 20 V, pulsed drain current 27 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu JieJie Microelectronics |
| 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 | V(BR)DSS | 20 |  |  | V | ID = 250µA, VGS = 0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS = 20V, VGS = 0V | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS = 0V, VGS = ±12V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 | 0.75 | 1 | V | VDS = VGS, ID = 250µA | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 16 | 21 | mΩ | VGS = 4.5V, ID = 4A | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 19 | 25 | mΩ | VGS = 2.5V, ID = 3A | 2 |
| Maximum Continuous Drain to Source Diode Forward Current | IS |  |  | 6.8 | A |  | 2 |
| Maximum Pulsed Drain to Source Diode Forward Current | ISM |  |  | 27 | A |  | 2 |
| Drain to Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS = 0V, IS = 6.8A | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V | TA = 25°C unless otherwise specified | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V | TA = 25°C unless otherwise specified | 1 |
| Continuous Drain Current | ID |  |  | 6.8 | A | TA = 25°C | 1 |
| Continuous Drain Current | ID |  |  | 4 | A | TA = 100°C | 1 |
| Pulsed Drain Current | IDM |  |  | 27 | A |  | 1 |
| Power Dissipation | PD |  |  | 1.3 | W | TA = 25°C | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  |  | 97 | °C/W | Note 2: device mounted on 1 inch² pad of 2oz copper FR4 PCB | 1 |
| Junction & Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `JMTL2312A`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `jmtl2312a-etched.step` / `jmtl2312a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jmtl2312a.step` / `jmtl2312a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Jiangsu JieJie Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902768243073024) (6 pp, sha256 `0065efec2f87582a`, retrieved 2026-10-18, 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/jmtl2312a-datasheet.pdf)