# HoYLR2512-3w-4mR-5%

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

HoYLR2512-3w-4mR-5% 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 value (nominal) | R |  | 4 |  | mR | Nominal value as printed in MPN HoYLR2512-3W-4mR-5% | 2 |
| Resistance tolerance |  | -5 |  | 5 | % | Tolerance 5% decoded from MPN | 2 |
| Temperature coefficient of resistance | TCR |  |  | 50 | ppm/℃ | T.C.R ≤50 ppm/℃ as printed | 3 |
| Rated power | P |  |  | 3 | W | Rated power at 70℃ | 3 |
| Max. rated current | I |  |  | 27.3 | A |  | 3 |
| Operating temperature range | T | -55 |  | 170 | ℃ | Operating temperature range as printed; power derated above 70℃ | 3 |

## CAD (KiCad official)

- Symbol: `HoYLR2512-3w-4mR-5%`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `hoylr2512-3w-4mr-5-etched.step` / `hoylr2512-3w-4mr-5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hoylr2512-3w-4mr-5.step` / `hoylr2512-3w-4mr-5.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/8603386053596499968) (5 pp, sha256 `90ac238077746e19`, 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/hoylr2512-3w-4mr-5-datasheet.pdf)