# HoLLR2010-1.5W-5mR-1%

**Milliohm** · Current Sense Resistors / Shunt Resistors · 2010

HoLLR2010-1.5W-5mR-1% from Milliohm, in a 2010. 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 | Left terminal electrode of the 5 mΩ alloy current-sense resistor (Cu/Ni/Sn plated), rated 1.5 W at 70 °C; the drawing shows the 4-wire measurement points (V sense, A current) on this electrode. |
| 2 | 2 | passive | Right terminal electrode of the 5 mΩ alloy current-sense resistor (Cu/Ni/Sn plated), rated 1.5 W at 70 °C; the drawing shows the 4-wire measurement points (V sense, A current) on this electrode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Milliohm |
| Package | 2010 |
| 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 | % | Tolerance code F (±1%) per part number suffix 1% | 2 |
| Temperature coefficient of resistance | TCR | -50 |  | 50 | ppm/°C | Room temperature to 125 °C | 3 |
| Rated power |  |  |  | 1.5 | W | Derate above 70 °C per power curve (curve not reproduced) | 2 |
| Maximum rated current |  |  |  | 38.73 | A | Series 2010, resistance range 1~100 mΩ; I=SQRT(P/R) | 3 |
| Maximum overload current |  |  |  | 86.6 | A | Series 2010, resistance range 1~100 mΩ | 3 |
| Operating temperature range |  | -55 |  | 170 | °C | Operating temperature range | 3 |
| Resistance range |  | 1 |  | 100 | mΩ | Series 2010 standard range; this MPN is 5 mΩ | 3 |
| Storage temperature |  | 5 |  | 35 | °C | Sealed package, storage shelf life 2 years | 7 |
| Storage relative humidity |  | 40 |  | 75 | %RH | Sealed package, storage shelf life 2 years | 7 |
| Short time overload resistance change | ΔR/R | -0.5 |  | 0.5 | % | 5 s overload at 5 times rated power, 24 h rest | 6 |
| Biased humidity resistance change | ΔR/R | -0.5 |  | 0.5 | % | 85 °C, 85 %RH, 10% rated current, 1000 h | 6 |
| Temperature cycling resistance change | ΔR/R | -0.5 |  | 0.5 | % | -55 °C to +125 °C, 1000 cycles | 6 |
| Operational life resistance change | ΔR/R | -0.5 |  | 0.5 | % | 125 °C, rated current, 1000 h | 6 |
| Low temperature exposure resistance change | ΔR/R | -0.5 |  | 0.5 | % | -55 °C, 1000 h | 6 |
| High temperature exposure resistance change | ΔR/R | -1 |  | 1 | % | 125 °C, 1000 h | 6 |
| Load life resistance change | ΔR/R | -1 |  | 1 | % | 70 °C, rated current, 90 min on / 30 min off, 1000 h | 6 |
| Resistance to solder heat resistance change | ΔR/R | -0.5 |  | 0.5 | % | 260 °C solder bath, 10 s | 6 |
| Board bend test resistance change | ΔR/R | -0.5 |  | 0.5 | % | Board bend test, JIS C5201-1 4.32 | 6 |
| Terminal adhesion test resistance change | ΔR/R | -0.5 |  | 0.5 | % | 17.7 N applied for 10 s with R0.5 probe | 6 |
| Solderability electrode new solder coverage |  | 95 |  |  | % | Dip at 245 °C for 3 s, J-STD-002 | 6 |
| Nominal resistance |  |  | 5 |  | mΩ | Nominal value of this MPN (5mR) | 2 |

## CAD (KiCad official)

- Symbol: `HoLLR2010-1.5W-5mR-1%`
- Footprint: `Resistor_SMD:R_2010_5025Metric`
- 3D model: 2010 (KiCad packages3D, STEP)
- 3D model files: `hollr2010-1-5w-5mr-1-etched.step` / `hollr2010-1-5w-5mr-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hollr2010-1-5w-5mr-1.step` / `hollr2010-1-5w-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/8603386062630760448) (7 pp, sha256 `999a437eee3d9f02`, retrieved 2026-10-25, 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 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/hollr2010-1-5w-5mr-1-datasheet.pdf)