# TPD4S009DCKR

**Texas Instruments** · ESD And Surge Protection (TVS/ESD) · SC-70-6

TPD4S009DCKR from Texas Instruments, in a SC-70-6. 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 | D1+ | bidirectional | High-speed differential ESD protection TVS diode with ±8-kV contact discharge rating (IEC 61000-4-2 Level 4), 5.5-V reverse standoff voltage, and 0.8-pF I/O capacitance. |
| 2 | GND | power_in | Ground reference. |
| 3 | D2+ | bidirectional | High-speed differential ESD protection TVS diode with ±8-kV contact discharge rating (IEC 61000-4-2 Level 4), 5.5-V reverse standoff voltage, and 0.8-pF I/O capacitance. |
| 4 | D2- | bidirectional | High-speed differential ESD protection TVS diode with ±8-kV contact discharge rating (IEC 61000-4-2 Level 4), 5.5-V reverse standoff voltage, and 0.8-pF I/O capacitance. |
| 5 | VCC | power_in | Power supply voltage input with 0.9-V to 5.5-V recommended operating range. |
| 6 | D1- | bidirectional | High-speed differential ESD protection TVS diode with ±8-kV contact discharge rating (IEC 61000-4-2 Level 4), 5.5-V reverse standoff voltage, and 0.8-pF I/O capacitance. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SC-70-6 |
| Category | Circuit Protection |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `TPD4S009DCKR`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SC-70-6 (KiCad packages3D, STEP)
- 3D model files: `tpd4s009dckr-etched.step` / `tpd4s009dckr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpd4s009dckr.step` / `tpd4s009dckr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tpd4s009.pdf) (38 pp, sha256 `6c9b627de675e604`, retrieved 2026-10-06, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/tpd4s009dckr-datasheet.pdf)