# DTC143XCA-TP

**MCC Micro Commercial Components** · Digital Transistors · SOT-23-3L

DTC143XCA-TP from MCC Micro Commercial Components, in a SOT-23-3L. 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 terminal of the built-in biased NPN digital transistor (input resistor R1 = 4.7 kΩ typ.), with input voltage rated from -7 V to +20 V. |
| 2 | GND | power_in | Ground reference terminal of the device. |
| 3 | OUT | output | Collector output terminal of the digital transistor, rated for collector current up to 100 mA and supply voltage VCC up to 50 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC Micro Commercial Components |
| Package | SOT-23-3L |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `DTC143XCA-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `dtc143xca-tp-etched.step` / `dtc143xca-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dtc143xca-tp.step` / `dtc143xca-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC Micro Commercial Components datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603059513285095424) (4 pp, sha256 `c27c77f0881e68f9`, retrieved 2026-10-09, 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/dtc143xca-tp-datasheet.pdf)