# 20N10

**HL** · MOSFETs · TO-252

20N10 from HL, 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 of the N-channel MOSFET, with a maximum gate-source voltage of ±20 V. |
| 2 | D | passive | Drain, connected to the exposed tab, with a maximum drain-source voltage of 100 V and 20 A continuous drain current at TC=25°C. |
| 3 | S | passive | Source of the N-channel MOSFET, with a body diode continuous source current of 20 A at TC=25°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HL |
| 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 | 100 |  |  | V | VGS=0V, ID=250µA | 2 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | V=0V, V=±20V (subscripts lost in extraction) | 2 |
| Zero gate voltage drain current, TJ=25°C | IDSS |  |  | 1 | µA | TJ=25°C, VDS=100V, VGS=0V | 2 |
| Zero gate voltage drain current, TJ=100°C | IDSS |  |  | 100 | µA | TJ=100°C, VDS=100V, VGS=0V | 2 |
| Gate-threshold voltage | VGS(th) | 1.2 |  | 2.5 | V | VDS=VGS, ID=250µA | 2 |
| Drain-source on-resistance | RDS(on) |  | 65 | 90 | mΩ | VGS=10V, ID=5A | 2 |
| Drain-source on-resistance | RDS(on) |  | 75 | 105 | mΩ | VGS=4.5V, ID=3A | 2 |
| Diode forward voltage | VSD |  |  | 1.2 | V | IS=1A, VGS=0V | 2 |
| Continuous source current | IS |  |  | 20 | A | TC=25°C | 2 |
| Drain-Source Voltage | VDS |  |  | 100 | V |  | 1 |
| Gate-Source Voltage | VGS |  |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 20 | A | TC=25°C, VGS=10V | 1 |
| Continuous Drain Current | ID |  |  | 12 | A | TC=100°C, VGS=10V | 1 |
| Pulsed Drain Current | IDM |  |  | 20 | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 4.1 | mJ |  | 1 |
| Avalanche Current | IAS |  |  | 10 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 41.7 | W | TC=25°C | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 50 | °C/W |  | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 3 | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `20N10`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `20n10-etched.step` / `20n10-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `20n10.step` / `20n10.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HL datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603099025629728768) (5 pp, sha256 `4aa02903a4785ca1`, 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/20n10-datasheet.pdf)