# ASDM40N100P-T

**Ascend** · MOSFETs · TO-220

ASDM40N100P-T from Ascend, in a TO-220. 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; gate-source voltage is rated at ±20 V maximum, with a threshold of 1 V min to 2.5 V max. |
| 2 | D | passive | Drain, also connected to the metal tab; drain-source voltage is rated at 40 V and continuous drain current is 100 A at TC=25°C. |
| 3 | S | passive | Source; the body diode continuous forward current is 100 A at TC=25°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Ascend |
| Package | TO-220 |
| Category | Triode/MOS Tube/Transistor |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS=40V, VGS=0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 30 | µA | VDS=40V, VGS=0V, TJ=125°C | 2 |
| Gate Threshold Voltage | VGS(th) | 1 |  | 2.5 | V | VDS=VGS, IDS=250µA | 2 |
| Drain-Source Breakdown Voltage | BVDSS | 40 |  |  | V | VGS=0V, IDS=250µA | 2 |
| Drain-Source On-state Resistance | RDS(ON) |  | 4.6 | 6 | mΩ | VGS=4.5V, IDS=35A | 2 |
| Drain-Source On-state Resistance | RDS(ON) |  | 4 | 4.5 | mΩ | VGS=10V, IDS=50A | 2 |
| Gate-Source Voltage | VGSS | -20 |  | 20 | V |  | 1 |
| Drain-Source Voltage | VDSS |  |  | 40 | V |  | 1 |
| Maximum Junction Temperature | TJ |  |  | 150 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Diode Continuous Forward Current | IS |  |  | 100 | A | TC=25°C | 1 |
| 300µs Pulse Drain Current | IDP |  |  | 400 | A | TC=25°C | 1 |
| Continuous Drain Current | ID |  |  | 100 | A | TC=25°C | 1 |
| Continuous Drain Current | ID |  |  | 51 | A | TC=100°C | 1 |
| Continuous Drain Current | ID |  |  | 25 | A | TA=25°C | 1 |
| Continuous Drain Current | ID |  |  | 19 | A | TA=70°C | 1 |
| Maximum Power Dissipation | PD |  |  | 65 | W | TC=25°C | 1 |
| Maximum Power Dissipation | PD |  |  | 26 | W | TC=100°C | 1 |
| Maximum Power Dissipation | PD |  |  | 4.2 | W | TA=25°C | 1 |
| Maximum Power Dissipation | PD |  |  | 2.7 | W | TA=70°C | 1 |
| Avalanche Energy, Single Pulsed | EAS |  |  | 121 | mJ | Single pulsed | 1 |
| Thermal Resistance-Junction to Case | RJC |  |  | 1.44 | °C/W |  | 1 |
| Thermal Resistance-Junction to Ambient | RJA |  |  | 62 | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `ASDM40N100P-T`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220 (KiCad packages3D, STEP)
- 3D model files: `asdm40n100p-t-etched.step` / `asdm40n100p-t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `asdm40n100p-t.step` / `asdm40n100p-t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Ascend datasheet](docs/asdm40n100p-t-datasheet.pdf) (7 pp, sha256 `ffcbaaeff066aaf3`, retrieved 2026-10-28, 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/asdm40n100p-t-datasheet.pdf)