# HoYLR1206-1W-30mR-1%

**Milliohm** · Current Sense Resistors / Shunt Resistors · 1206

HoYLR1206-1W-30mR-1% from Milliohm, 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 | Milliohm |
| Package | 1206 |
| 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 tolerance (suffix 1%) |  | -1 |  | 1 | % |  | 3 |
| Insulation resistance |  | 100 |  |  | MΩ | 100 V DC, 1 min | 5 |
| Rated power |  |  |  | 1 | W |  | 3 |
| Maximum rated current |  |  |  | 5.77 | A |  | 3 |
| Operating temperature range |  | -55 |  | 170 | ℃ |  | 3 |
| Storage temperature |  | 5 |  | 35 | ℃ | Storage, humidity <65%RH, unopened tape-and-reel packaging | 7 |
| Load life resistance change |  |  |  | 1 | % | Rated power, 1000 h, 70℃, on 1.5 h / off 0.5 h | 5 |
| Short-time overload resistance change |  |  |  | 1 | % | 5× rated power, 5 s | 5 |
| Damp heat, no load resistance change |  |  |  | 1 | % | 85℃, 85% RH, 1000 h, 10% rated power applied | 5 |
| Temperature cycling resistance change |  |  |  | 1 | % | -55℃~+170℃, 1000 cycles, 15 min each extreme | 5 |
| Resistance to soldering heat resistance change |  |  |  | 0.5 | % | 260±5℃, 10±1 s | 5 |
| High temperature exposure resistance change |  |  |  | 1 | % | 170℃, 1000 h | 5 |
| Low temperature storage resistance change |  |  |  | 1 | % | -55℃, 1000 h | 5 |
| Board bending resistance change |  |  |  | 0.5 | % | Bending width 2 mm | 5 |
| Nominal resistance | R |  | 30 |  | mΩ |  | 3 |
| Temperature coefficient of resistance |  |  | 50 |  | ppm/℃ |  | 3 |

## CAD (KiCad official)

- Symbol: `HoYLR1206-1W-30mR-1%`
- Footprint: `Resistor_SMD:R_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `hoylr1206-1w-30mr-1-etched.step` / `hoylr1206-1w-30mr-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hoylr1206-1w-30mr-1.step` / `hoylr1206-1w-30mr-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/8756849920814915584) (7 pp, sha256 `10eb4e56769dda33`, retrieved 2026-10-16, 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/hoylr1206-1w-30mr-1-datasheet.pdf)