# JMTL3404A

**Jiangsu JieJie Microelectronics** · Bipolar (BJT) · SOT-23

JMTL3404A 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 of the N-channel MOSFET, with VGSS limited to ±20 V and VGS(th) of 1.0 to 2.5 V at ID=250μA. |
| 2 | S | passive | Source of the N-channel MOSFET, with continuous body-diode forward current IS up to 5.8 A. |
| 3 | D | passive | Drain of the N-channel MOSFET, with VDSS of 30 V and continuous drain current of 5.8 A at TA=25℃ (23.2 A pulsed). |

## 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 Voltage | VDSS |  |  | 30 | V |  | 1 |
| Gate-Source Voltage | VGSS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 5.8 | A | TA = 25℃ | 1 |
| Continuous Drain Current | ID |  |  | 3.8 | A | TA = 100℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 23.2 | A | Note 1 | 1 |
| Power Dissipation | PD |  |  | 1.47 | W | TA = 25℃ | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  |  | 85 | ℃/W |  | 1 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 |  | 150 | ℃ |  | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS | 30 |  |  | V | VGS=0V, ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS =30V, VGS = 0V | 2 |
| Gate to Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS =0V, VGS = ±20V | 2 |
| Gate Threshold Voltage | VGS(th) | 1 | 1.5 | 2.5 | V | VDS=VGS, ID=250μA | 2 |
| Static Drain-Source on-Resistance | RDS(on) |  | 18 | 25 | mΩ | VGS=10V, ID=5.5A | 2 |
| Static Drain-Source on-Resistance | RDS(on) |  | 28 | 40 | mΩ | VGS=4.5V, ID=4.5A | 2 |
| Maximum Continuous Drain to Source Diode Forward Current | IS |  |  | 5.8 | A |  | 2 |
| Maximum Pulsed Drain to Source Diode Forward Current | ISM |  |  | 23.2 | A |  | 2 |
| Drain to Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS = 0V, IS=5.8A | 2 |

## CAD (KiCad official)

- Symbol: `JMTL3404A`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `jmtl3404a-etched.step` / `jmtl3404a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jmtl3404a.step` / `jmtl3404a.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/8603010617288769536) (6 pp, sha256 `05c4f24af40be462`, 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/jmtl3404a-datasheet.pdf)