# HoYLR0805-1/2W-7mR-1%

**Milliohm** · Current Sense Resistors / Shunt Resistors · 0805

HoYLR0805-1 from Milliohm, in a 0805. 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 | 0805 |
| 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 |  | -1 |  | 1 | % |  | 3 |
| Temperature coefficient (TCR) | TCR | -50 |  | 50 | ppm/℃ | Resistance measured at 25℃ and 125℃ | 3 |
| Operating temperature range |  | -55 |  | 170 | ℃ |  | 3 |
| Insulation resistance |  | 100 |  |  | mΩ | 100V±15V DC between electrode and substrate, held 60 s | 4 |
| Solderability (electrode area covered with new solder) |  | 95 |  |  | % | 245℃±5℃ tin tank, 2s±0.5s | 4 |
| ΔR short time overload (% term) | ΔR | -1 |  | 1 | % | 5 times rated power, maintained 5 s | 4 |
| ΔR short time overload (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | 5 times rated power, maintained 5 s | 4 |
| ΔR resistance to soldering heat (% term) | ΔR | -0.5 |  | 0.5 | % | 270℃±5℃ tin tank, 10s±1s | 4 |
| ΔR resistance to soldering heat (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | 270℃±5℃ tin tank, 10s±1s | 4 |
| ΔR bending test (% term) | ΔR | -0.5 |  | 0.5 | % | Bending distance 2mm, hold 60s±5s | 4 |
| ΔR bending test (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | Bending distance 2mm, hold 60s±5s | 4 |
| ΔR high temperature exposure (% term) | ΔR | -1 |  | 1 | % | 170℃±2℃, 1000H, stand 1H before test | 4 |
| ΔR high temperature exposure (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | 170℃±2℃, 1000H, stand 1H before test | 4 |
| ΔR low temperature exposure (% term) | ΔR | -0.5 |  | 0.5 | % | -55℃±2℃, 1000H, stand 1H before test | 4 |
| ΔR low temperature exposure (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | -55℃±2℃, 1000H, stand 1H before test | 4 |
| ΔR rapid temperature change (% term) | ΔR | -0.5 |  | 0.5 | % | -55℃ to 155℃, 1000 cycles | 4 |
| ΔR rapid temperature change (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | -55℃ to 155℃, 1000 cycles | 4 |
| ΔR load life (% term) | ΔR | -1 |  | 1 | % | 70℃±2℃, 1000 hours, rated power 1.5 h on / 0.5 h off | 4 |
| ΔR load life (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | 70℃±2℃, 1000 hours, rated power 1.5 h on / 0.5 h off | 4 |
| ΔR moisture with load (% term) | ΔR | -1 |  | 1 | % | 85℃±2℃, 85%±3%RH, 1000 hours, rated power 1.5 h on / 0.5 h off | 4 |
| ΔR moisture with load (absolute term) | ΔR | -0.05 |  | 0.05 | mΩ | 85℃±2℃, 85%±3%RH, 1000 hours, rated power 1.5 h on / 0.5 h off | 4 |

## CAD (KiCad official)

- Symbol: `HoYLR0805-1`
- Footprint: `Resistor_SMD:R_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `hoylr0805-1-etched.step` / `hoylr0805-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hoylr0805-1.step` / `hoylr0805-1.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/8603385937682444288) (6 pp, sha256 `d818553fcde0b0f9`, 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/hoylr0805-1-datasheet.pdf)

## Other parts in this family

This page is **HoYLR0805-1/2W-7mR-1%**. These part numbers share its family name but are different parts (another package, rating or grade), each with its own page:

- HoYLR0805-1/2W-10mR-1%
- HoYLR0805-1/2W-11mR-1%
- HoYLR0805-1/2W-20mR-1%
- HoYLR0805-1/2W-5mR-1%