# ITA6V1U1RL

**STMicroelectronics** · ESD And Surge Protection (TVS/ESD) · SO-8

ITA6V1U1RL from STMicroelectronics, in a SO-8. 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 | bidirectional | Transil line protection terminal, bidirectional, clamping overvoltages on the data line relative to GND with 40 A peak pulse current (8/20 µs) rating for the device. |
| 2 | I/O2 | bidirectional | Transil line protection terminal, bidirectional, clamping overvoltages on the data line relative to GND with 40 A peak pulse current (8/20 µs) rating for the device. |
| 3 | I/O3 | bidirectional | Transil line protection terminal, bidirectional, clamping overvoltages on the data line relative to GND with 40 A peak pulse current (8/20 µs) rating for the device. |
| 4 | I/O4 | bidirectional | Transil line protection terminal, bidirectional, clamping overvoltages on the data line relative to GND with 40 A peak pulse current (8/20 µs) rating for the device. |
| 5 | GND | power_in | Ground reference for the Transil clamps; the datasheet gives no separate electrical limit for this pin. |
| 6 | GND | power_in | Ground reference for the Transil clamps; the datasheet gives no separate electrical limit for this pin. |
| 7 | I/O5 | bidirectional | Transil line protection terminal, bidirectional, clamping overvoltages on the data line relative to GND with 40 A peak pulse current (8/20 µs) rating for the device. |
| 8 | I/O6 | bidirectional | Transil line protection terminal, bidirectional, clamping overvoltages on the data line relative to GND with 40 A peak pulse current (8/20 µs) rating for the device. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SO-8 |
| Category | Circuit Protection |
| Pins | 8 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VBR | 6.51 |  |  | V | @ IR = 1 mA | 2 |
| Leakage current | IRM |  |  | 10 | µA | @ VRM = 5 V | 2 |
| Clamping voltage | VCL |  |  | 10 | V | @ IPP = 10 A, 8/20 µs | 2 |
| Clamping voltage | VCL |  |  | 12 | V | @ IPP = 25 A, 8/20 µs | 2 |
| Voltage temperature coefficient | αT |  |  | 4 | 10-4/°C |  | 2 |
| Peak pulse power (8/20 µs) | PPP |  |  | 300 | W | Tj initial = Tamb | 2 |
| Peak pulse current (8/20 µs) | IPP |  |  | 40 | A | Tj initial = Tamb | 2 |
| Wire I2t value | I2t |  |  | 0.6 | A2s |  | 2 |
| Maximum operating junction temperature | Tj |  |  | 125 | °C |  | 2 |
| Storage temperature range | Tstg | -55 |  | 150 | °C |  | 2 |
| Maximum lead temperature for soldering | TL |  |  | 260 | °C | during 10 s | 2 |

## CAD (KiCad official)

- Symbol: `ITA6V1U1RL`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files: `ita6v1u1rl-etched.step` / `ita6v1u1rl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ita6v1u1rl.step` / `ita6v1u1rl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/ita6v1u1rl.pdf) (8 pp, sha256 `3238864925080809`, retrieved 2026-11-05, tier: manufacturer)
- **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/ita6v1u1rl-datasheet.pdf)