# KMOV1206H380KT

**KUU** · Varistors · 1206

KMOV1206H380KT from KUU, in a 1206. 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 | 1 | passive | First Ag/Ni/Sn terminal electrode of the non-polarized chip varistor (38 V DC max working voltage, 47 V varistor voltage at 1 mA ±10%, 80 V max clamping at 8/20 µs, 200 A peak current, 0.6 J energy). |
| 2 | 2 | passive | Second Ag/Ni/Sn terminal electrode of the non-polarized chip varistor, interchangeable with the other terminal (38 V DC max working voltage, 47 V varistor voltage at 1 mA ±10%, 80 V max clamping at 8/20 µs). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Maximum working voltage (DC) | VDC |  |  | 38 | V | DC | 3 |
| Maximum working voltage (AC) | VAC |  |  | 30 | V | AC | 3 |
| Varistor voltage | VB |  | 47 |  | V | @1mA DC | 3 |
| Varistor voltage tolerance (K suffix) | ΔVB | -10 |  | 10 | % | K suffix, ±10% | 1 |
| Maximum clamping voltage | Vc |  |  | 80 | V | 8/20μs, 1A | 3 |
| Peak current | Ip |  |  | 200 | A | 8/20μs | 3 |
| Energy withstand | WT |  |  | 0.6 | J | 10/1000μs | 3 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | Terminal Electrode (Ag/Ni/Sn three layers) | 1 |

## CAD (KiCad official)

- Symbol: `KMOV1206H380KT`
- Footprint: `Resistor_SMD:R_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `kmov1206h380kt-etched.step` / `kmov1206h380kt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kmov1206h380kt.step` / `kmov1206h380kt.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KUU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603350611664379904) (10 pp, sha256 `ea824b8443858666`, retrieved 2026-10-18, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+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/kmov1206h380kt-datasheet.pdf)