# IRLML0030

**Guangdong Hottech** · MOSFETs · SOT-23

IRLML0030 from Guangdong Hottech, 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; drive voltage limit is ±20 V VGS, with RDS(ON) specified at VGS=4.5 V and 10 V and threshold 1.3 to 2.3 V. |
| 2 | S | passive | Source; body diode forward current up to 1.6 A continuous and 21 A pulsed from source to drain. |
| 3 | D | passive | Drain; VDS up to 30 V and continuous drain current of 5.3 A at TA=25°C (21 A pulsed). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Guangdong Hottech |
| 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 |  |  | 30 | V |  | 1 |
| Gate-source voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous drain current | ID |  |  | 5.3 | A | TA=25°C | 1 |
| Continuous drain current | ID |  |  | 4.3 | A | TA=70°C | 1 |
| Pulsed drain current | IDM |  |  | 21 | A |  | 1 |
| Power dissipation | PD |  |  | 1.3 | W | TA=25°C | 1 |
| Power dissipation | PD |  |  | 0.8 | W | TA=70°C | 1 |
| Storage and junction temperature | TJ,TSTG | -55 |  | 150 | °C |  | 1 |
| Thermal resistance, junction to ambient | RθJA |  | 100 |  | °C/W | Surface mounted on 1 in square Cu board | 1 |
| Drain-Source breakdown voltage | V(BR)DSS | 30 |  |  | V | VGS=0V, ID=250μA | 1 |
| Zero gate voltage drain current | IDSS |  |  | 1 | μA | VDS=24V, VGS=0V | 1 |
| Zero gate voltage drain current | IDSS |  |  | 150 | μA | VDS=24V, VGS=0V,Tj=125°C | 1 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 1 |
| Gate-threshold voltage | VGS(th) | 1.3 | 1.7 | 2.3 | V | VDS=VGS, ID=250μA | 1 |
| Drain-source on-resistance | RDS(ON) |  | 33 | 40 | mΩ | VGS=4.5V, ID=4.2A | 1 |
| Drain-source on-resistance | RDS(ON) |  | 22 | 27 | mΩ | VGS=10V, ID=5.2A | 1 |
| Internal gate resistance | RG |  | 2.3 |  | Ω |  | 1 |
| Forward transconductance | gFS |  | 9.5 |  | S | VDS=10V, ID=5.2A | 1 |
| Input capacitance | Ciss |  | 382 |  | pF |  | 1 |
| Output capacitance | Coss |  | 84 |  | pF | VDS=15V, VGS=0V, f=1MHz | 1 |
| Reverse transfer capacitance | Crss |  | 39 |  | pF |  | 1 |
| Turn-on delay time | td(on) |  | 5.2 |  | nS | VDD=15V,ID=1A, RG=6.8Ω,VGS=4.5V | 1 |
| Turn-on rise time | tr |  | 4.4 |  | nS |  | 1 |
| Turn-off delay time | td(off) |  | 7.4 |  | nS |  | 1 |
| Turn-off fall time | tf |  | 4.4 |  | nS |  | 1 |
| Total gate charge | Qg |  | 2.6 |  | nC |  | 1 |
| Gate-source charge | Qgs |  | 0.8 |  | nC | VDS=15V,VGS=4.5V,ID=5.2A | 1 |
| Gate-drain charge | Qgd |  | 1.1 |  | nC |  | 1 |
| Diode forward current (body diode) | IS |  | 1.6 |  | A |  | 1 |
| Pulsed source current (body diode) | ISM |  | 21 |  | A |  | 1 |
| Diode forward voltage | VSD |  | 1.2 |  | V | IS=1.6A, VGS=0V,Tj=25°C | 1 |
| Reverse recovery time | trr |  | 11 | 17 | nS | TJ=25°C,VR=15V,IF=1.6A, di/dt=100A/μs | 1 |
| Reverse recovery charge | Qrr |  | 4 | 6 | nC | TJ=25°C,VR=15V,IF=1.6A, di/dt=100A/μs | 1 |

## CAD (KiCad official)

- Symbol: `IRLML0030`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `irlml0030-etched.step` / `irlml0030-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `irlml0030.step` / `irlml0030.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Guangdong Hottech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908755628269569) (6 pp, sha256 `ac9cf742916e708d`, retrieved 2026-10-16, 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/irlml0030-datasheet.pdf)