# MVR1206-240G

**DOWO** · Varistors · 1206

MVR1206-240G from DOWO, 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 | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| 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 |
|---|---|---|---|---|---|---|---|
| Varistor voltage | VB | 22 | 24 | 27 | V | Measured at 1mA DC | 1 |
| Typical capacitance value tolerance |  | -40 |  | 40 | % |  | 1 |
| Maximum allowable continuous AC voltage | VRMS |  |  | 14 | V | AC voltage at 50~60Hz | 1 |
| Maximum allowable continuous DC voltage | VDC |  |  | 18 | V |  | 1 |
| Maximum clamping voltage measured | VC |  |  | 38 | V | Measured at 5A by 8/20µs Pulse | 1 |
| Rated peak single pulse transient current | I P |  |  | 100 | A | Measured by 8/20µs Pulse | 1 |
| Maximum Energy Absorption | E |  |  | 1 | J | 10/1000µs | 1 |
| Response time | T rise |  |  | 5 | ns |  | 1 |
| Leakage current at VDC (at initial state) | IL |  |  | 50 | µΑ | At VDC (at initial state) | 1 |
| Leakage current at VDC (after reliability test) | ILA |  |  | 100 | µΑ | At VDC (after reliability test) | 1 |
| Operating ambient temperature |  | -40 |  | 125 | ℃ |  | 1 |
| Storage temperature |  | -40 |  | 125 | ℃ |  | 1 |
| Reflow temperature profile (recommended) |  |  |  | 260 | ℃ | Recommended reflow temperature profile | 1 |
| High temperature storage: change of varistor voltage | VB | -10 |  | 10 | % | 125℃ for 1000 h, no load, then room temperature 1 to 2 h | 3 |
| Temperature cycle: change of varistor voltage | VB | -10 |  | 10 | % | Temperature cycle -40℃ / 125℃, 30 min each, repeated five times | 3 |
| High temperature load: change of varistor voltage | VB | -10 |  | 10 | % | 85℃ for 1000 h, maximum allowable voltage applied | 3 |
| Damp heat load: change of varistor voltage | VB | -10 |  | 10 | % | 40℃, 90 to 95%RH, 1000 h, maximum allowable voltage applied | 3 |
| Low temperature storage: change of varistor voltage | VB | -10 |  | 10 | % | -40℃, no load, 1000 h, then room temperature 1 to 2 h | 3 |
| Typical capacitance value | C |  | 850 |  | pF | Measured at f=1MHz,Vrms=0.5V | 1 |

## CAD (KiCad official)

- Symbol: `MVR1206-240G`
- Footprint: `Resistor_SMD:R_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `mvr1206-240g-etched.step` / `mvr1206-240g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mvr1206-240g.step` / `mvr1206-240g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [DOWO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921425266569216) (5 pp, sha256 `df3340e6a3727b04`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/mvr1206-240g-datasheet.pdf)