# HoT2512D-3W-0R

**Milliohm** · Current Sense Resistors / Shunt Resistors · 2512

HoT2512D-3W-0R from Milliohm, in a 2512. 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 | One plated end terminal (C = 1.1±0.2 mm) of the 0R jumper resistor, rated 3W at 70℃ and 70A max rated current. |
| 2 | 2 | passive | Other plated end terminal (C = 1.1±0.2 mm) of the 0R jumper resistor, interchangeable with the first; recommended pad dimensions a=4.0, b=2.1, L=4.1 mm. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Milliohm |
| Package | 2512 |
| Category | Resistors |
| 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 |
|---|---|---|---|---|---|---|---|
| Accuracy class (tolerance) |  | -1 |  | 1 | % | Accuracy class 1% as printed | 3 |
| Temperature coefficient of resistance (T.C.R) | TCR |  |  | 25 | ppm/°C |  | 3 |
| Operating temperature range |  | -55 |  | 170 | °C | Operating temperature range as printed | 3 |
| Rated power | P |  |  | 3 | W | Rated at 70°C; derate above 70°C per power drop curve (curve not reproduced in text) | 3 |
| Max. rated current | I |  |  | 70 | A | Max. rated current; calculated from rated power and resistance per the datasheet formula | 3 |
| Nominal resistance | R |  | 0 |  | R | Nominal value as printed: 0R (jumper) | 2 |

## CAD (KiCad official)

- Symbol: `HoT2512D-3W-0R`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `hot2512d-3w-0r-etched.step` / `hot2512d-3w-0r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hot2512d-3w-0r.step` / `hot2512d-3w-0r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Milliohm datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949283369832448) (5 pp, sha256 `6db2b2699dde13ea`, retrieved 2026-10-19, 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/hot2512d-3w-0r-datasheet.pdf)