# TPD2E001DRLR-TP

**TECH PUBLIC** · ESD Protection Devices · SOT-553

TPD2E001DRLR-TP from TECH PUBLIC, in a SOT-553. 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 | VCC | power_in | Supply/reference pin of the steering-diode ESD array, connected to the bus supply (UBUS) in the application schematic with a 0.1uF capacitor to ground, with low operating voltage of 5.5V. |
| 2 | N.C | unconnected | No internal connection; left unconnected in the application schematic. |
| 3 | IO1 | passive | ESD-protected I/O channel 1 with 1.5pF max junction capacitance, reverse working voltage 5.5V and ±15kV contact / ±20kV air ESD protection per IEC 61000-4-2. |
| 4 | GND | power_in | Ground reference pin to which the I/O pins are clamped, connected to system ground in the application schematic. |
| 5 | IO2 | passive | ESD-protected I/O channel 2 with 1.5pF max junction capacitance, reverse working voltage 5.5V and ±15kV contact / ±20kV air ESD protection per IEC 61000-4-2. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-553 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 5 |

## CAD (KiCad official)

- Symbol: `TPD2E001DRLR-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-553`
- 3D model: SOT-553 (KiCad packages3D, STEP)
- 3D model files: `tpd2e001drlr-tp-etched.step` / `tpd2e001drlr-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpd2e001drlr-tp.step` / `tpd2e001drlr-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/tpd2e001drlr-tp-datasheet.pdf) (4 pp, sha256 `dd226ab2f5688a68`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/tpd2e001drlr-tp-datasheet.pdf)