# HoLSX2512-5W-0.5mR-1%

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

HoLSX2512-5W-0.5mR-1% 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 | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## 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 |
|---|---|---|---|---|---|---|---|
| Tolerance (accuracy class, from MPN suffix -1%) |  | -1 |  | 1 | % |  | 3 |
| Temperature coefficient of resistance (T.C.R) | TCR | -200 |  | 200 | ppm/℃ | 20℃~60℃ | 3 |
| Rated power |  |  |  | 5 | W | Rated Power at 70℃ | 3 |
| Rated current |  |  |  | 100 | A |  | 3 |
| Operating temperature range |  | -55 |  | 170 | ℃ |  | 3 |
| Temperature cycling resistance change |  | -0.5 |  | 0.5 | % | 2000 cycles (-55℃ to +170℃) | 4 |
| Low temperature storage and operation resistance change |  | -0.1 |  | 0.1 | % | -65 °C for 250 h | 4 |
| Moisture resistance resistance change |  | -0.1 |  | 0.1 | % | MIL-STD-202 method 106 | 4 |
| Mechanical shock resistance change |  | -0.2 |  | 0.2 | % | 100 g, 6 ms half sine | 4 |
| Vibration, high frequency resistance change |  | -0.2 |  | 0.2 | % | 20 g, 10-2000 Hz | 4 |
| Operational life resistance change |  | -1 |  | 1 | % | 2000 h, TK max at nominal load; TK = 130℃ | 4 |
| High temperature exposure resistance change |  | -1 |  | 1 | % | 2000 h/170℃ (in covered condition) | 4 |
| Bias humidity resistance change |  | -0.5 |  | 0.5 | % | +85℃, 85 %R.H., 1000 h | 4 |

## CAD (KiCad official)

- Symbol: `HoLSX2512-5W-0.5mR-1%`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `holsx2512-5w-0-5mr-1-etched.step` / `holsx2512-5w-0-5mr-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `holsx2512-5w-0-5mr-1.step` / `holsx2512-5w-0-5mr-1.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/8602944054275821568) (4 pp, sha256 `d3d9963ab4d79822`, retrieved 2026-10-17, 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`, 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/holsx2512-5w-0-5mr-1-datasheet.pdf)