# HoLR2512-2W-8mR-5%-15ppm

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

HoLR2512-2W-8mR-5%-15ppm 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 |
|---|---|---|---|---|---|---|---|
| Resistance (nominal, MPN 8mR) |  |  | 8 |  | mΩ | Part code 8mR | 1 |
| Resistance tolerance (MPN 5%, code J) |  | -5 |  | 5 | % | Tolerance J(±5%) per part-numbering table | 3 |
| Temperature coefficient of resistance (TCR) |  | -15 |  | 15 | ppm/℃ | HoLR2512 row, resistance 7~100 mΩ: ≦±15; MPN code 15ppm | 3 |
| Rated power |  |  | 2 |  | W | Part code 2W; rated at 70℃ | 3 |
| Operating temperature range |  | -55 |  | 170 | ℃ |  | 3 |
| Vibration: resistance change |  | -0.5 |  | 0.5 | % | 10-55-10 Hz, 1.5 mm amplitude, 12 h (4 h each X/Y/Z), JIS-C5201-1 4.22 | 5 |
| Resistance to soldering heat: resistance change |  | -0.5 |  | 0.5 | % | Dip in 260±5℃ solder 10±1 s, JIS-C5201-1 4.18 | 5 |
| Resistance to solvent: resistance change |  | -0.5 |  | 0.5 | % | Isopropanol 20~25℃, 60±5 s, JIS-C5201-1 4.29 | 5 |
| Solderability: solder-wetted conductor area |  | 95 |  |  | % | Dip at 245±5℃ for 3±1 s; microscope check, JIS-C5201-1 4.17 | 5 |
| Load life: resistance change |  | -1 |  | 1 | % | 70±2℃, rated current, 90 min ON/30 min OFF, 1000 h, JIS-C5201-1 4.25 | 5 |
| Moisture life: resistance change |  | -0.5 |  | 0.5 | % | 85±5℃/85±5%RH, rated current, 90 min ON/30 min OFF, 1000 h, JIS-C5201-1 4.24 | 5 |
| Moisture resistance: resistance change |  | -0.5 |  | 0.5 | % | 10 damp-heat cycles, MIL-STD 202 Method 106 | 5 |
| Temperature cycling: resistance change |  | -0.5 |  | 0.5 | % | -55℃/15 min to +150℃/15 min, 1000 cycles, JIS-C5201-1 4.19 | 5 |
| Low temperature exposure: resistance change |  | -0.5 |  | 0.5 | % | -55±2℃ oven, 1000 h, JIS-C5201-1 4.23.4 | 5 |
| High temperature exposure: resistance change |  | -1 |  | 1 | % | 170±5℃ oven, 1000 h, JIS-C5201-1 4.23.2 | 5 |

## CAD (KiCad official)

- Symbol: `HoLR2512-2W-8mR-5%-15ppm`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `holr2512-2w-8mr-5-15ppm-etched.step` / `holr2512-2w-8mr-5-15ppm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `holr2512-2w-8mr-5-15ppm.step` / `holr2512-2w-8mr-5-15ppm.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/8590208724380770304) (6 pp, sha256 `f063a5f080a2af71`, 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/holr2512-2w-8mr-5-15ppm-datasheet.pdf)