# JMTK4006A

**Jiangsu JieJie Microelectronics** · Bipolar (BJT) · TO-252

JMTK4006A from Jiangsu JieJie Microelectronics, in a TO-252. 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 terminal of the N-channel MOSFET; gate-to-source voltage is rated ±20 V absolute maximum and VGS(th) is 1.3 V min to 2.3 V max. |
| 2 | D | passive | Drain terminal; drain-to-source voltage is rated 40 V with a continuous drain current of 70 A and pulsed drain current of 280 A. |
| 3 | S | passive | Source terminal; maximum continuous body diode forward current is 70 A and maximum pulsed diode forward current is 280 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu JieJie Microelectronics |
| Package | TO-252 |
| 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 | 40 |  |  | V | ID = 250µA, VGS = 0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS = 40V, VGS = 0V | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS = 0V, VGS = ±20V | 2 |
| Gate Threshold Voltage | VGS(th) | 1.3 | 1.8 | 2.3 | V | VDS = VGS, ID = 250µA | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 4.5 | 5.9 | mΩ | VGS = 10V, ID = 30A | 2 |
| Static Drain-Source ON-Resistance | RDS(ON) |  | 6.6 | 8.6 | mΩ | VGS = 4.5V, ID = 20A | 2 |
| Maximum Continuous Drain to Source Diode Forward Current | IS |  |  | 70 | A |  | 2 |
| Maximum Pulsed Drain to Source Diode Forward Current | ISM |  |  | 280 | A |  | 2 |
| Drain to Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS = 0V, IS = 30A | 2 |
| Drain-Source Voltage | VDS |  |  | 40 | V |  | 1 |
| Gate-to-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 70 | A | TC = 25°C | 1 |
| Continuous Drain Current | ID |  |  | 44 | A | TC = 100°C | 1 |
| Pulsed Drain Current | IDM |  |  | 280 | A |  | 1 |
| Single Pulsed Avalanche Energy | EAS |  |  | 121 | mJ |  | 1 |
| Power Dissipation | PD |  |  | 60 | W | TC = 25°C | 1 |
| Junction & Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  | 34 |  | °C/W | Measured with device mounted on a 1 inch² pad of 2oz copper FR4 PCB (note 3) | 1 |
| Thermal Resistance, Junction to Case | RθJC |  | 2.1 |  | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `JMTK4006A`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `jmtk4006a-etched.step` / `jmtk4006a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jmtk4006a.step` / `jmtk4006a.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/8603089861108637696) (6 pp, sha256 `ede8ed3b04cb9b06`, 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/jmtk4006a-datasheet.pdf)