# HDTC114EU3T106

**HXY MOSFET** · Digital Transistors · SOT-323

HDTC114EU3T106 from HXY MOSFET, in a SOT-323. 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 | IN | input | Input pin rated for VIN of -10 to +40 V, with VI(off) at most 0.5 V (VCC=5V, IO=100µA) and VI(on) at least 3 V (VO=0.3V, IO=10mA). |
| 2 | GND | power_in | Ground reference pin; the datasheet states no separate electrical limit for this pin. |
| 3 | OUT | output | Open-collector output rated for IO 50 mA continuous and ICM 100 mA peak, with VO(on) at most 0.3 V at IO/II = 10mA/0.5mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | SOT-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Input resistance | R1 | 7 | 10 | 13 | kΩ |  | 1 |
| Resistance ratio | R2/R1 | 0.8 | 1 | 1.2 |  |  | 1 |
| Input voltage (on) | VI(on) | 3 |  |  | V | VO=0.3V,IO=10mA | 1 |
| Input voltage (off) | VI(off) |  |  | 0.5 | V | VCC=5V,IO=100µA | 1 |
| Output voltage (on) | VO(on) |  |  | 0.3 | V | IO/II=10mA/0.5mA | 1 |
| Input current | II |  |  | 0.88 | mA | VI=5V | 1 |
| Output current (off) | IO(off) |  |  | 0.5 | μA | VCC=50V,VI=0 | 1 |
| DC current gain | GI | 30 |  |  |  | VO=5V,IO=5mA | 1 |
| Transition frequency | fT |  | 250 |  | MHz | VO=10V,IO=5mA,f=100MHz | 1 |
| Input voltage | VIN | -10 |  | 40 | V | Ta=25 | 1 |
| Output current | IO |  |  | 50 | mA | Ta=25 | 1 |
| Power dissipation | PD |  |  | 200 | mW | Ta=25 | 1 |
| Peak collector current | ICM |  |  | 100 | mA | Ta=25 | 1 |
| Operation junction and storage temperature range | TJ,Tstg | -55 |  | 150 | ℃ | Ta=25 | 1 |

## CAD (KiCad official)

- Symbol: `HDTC114EU3T106`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `hdtc114eu3t106-etched.step` / `hdtc114eu3t106-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hdtc114eu3t106.step` / `hdtc114eu3t106.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](docs/hdtc114eu3t106-datasheet.pdf) (4 pp, sha256 `a6ae64177dc17937`, retrieved 2026-11-05, 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/hdtc114eu3t106-datasheet.pdf)