# UBT26A05L03-TP

**TECH PUBLIC** · ESD And Surge Protection (TVS/ESD) · SOT-23-6

UBT26A05L03-TP from TECH PUBLIC, in a SOT-23-6. 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 | I/O1 | passive | I/O line 1 protected channel, pin 1 connected internally to pin 6; 5V operating voltage, 0.3pF typ (0.5pF max) I/O-to-I/O capacitance. |
| 2 | GND | power_in | Ground reference for the TVS diode array. |
| 3 | I/O2 | passive | I/O line 2 protected channel, connected internally to pin 4; ESD protection ±30kV air and contact per IEC 61000-4-2. |
| 4 | I/O2 | passive | I/O line 2 protected channel, connected internally to pin 3; 5V reverse working voltage max. |
| 5 | VBUS | power_in | Positive supply/bus rail connection of the TVS array with 5V reverse working voltage max and 6V min breakdown at 1mA. |
| 6 | I/O1 | passive | I/O line 1 protected channel, connected internally to pin 1; peak pulse current 6A (8/20µs). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23-6 |
| Category | Circuit Protection |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `UBT26A05L03-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `ubt26a05l03-tp-etched.step` / `ubt26a05l03-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ubt26a05l03-tp.step` / `ubt26a05l03-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/ubt26a05l03-tp-datasheet.pdf) (4 pp, sha256 `f6d0167a12d43bce`, retrieved 2026-10-17, 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/ubt26a05l03-tp-datasheet.pdf)