component
HoLR2512D-3W-8mR-1%
Public Made by Adomby adom
Milliohm Current Sense Resistors / Shunt Resistors, 2512. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownHoLR2512D-3W-8mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoLR2512D-3W-8mR-1% 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 |
|---|---|---|---|---|---|---|---|
| Tolerance (1% option, MPN suffix -1%) | -1 | 1 | % | Accuracy class 1% (±1%) | 2 | ||
| Resistance range | 0.25 | 62 | mR | HoLR2512D series range; MPN value 8mR is within range | 3 | ||
| Resistance (nominal, as printed in MPN) | 8 | mR | Part value 8mR | 2 | |||
| Temperature coefficient of resistance (TCR) | 50 | ppm/℃ | 20℃~60℃; printed as ≤25-50 (split by resistance not stated) | 3 | |||
| Rated power | 3 | W | 3W option (2W/3W/3.5W family); power derates above 70℃ per curve | 3 | |||
| Operating temperature range | -55 | 170 | ℃ | Operating temperature range | 3 | ||
| Insulation resistance | 100 | MΩ | 100V DC for 1 minute | 5 | |||
| Load life: resistance change | -1 | 1 | % | 1000 hours at rated power, 70℃, 1.5 h ON / 0.5 h OFF | 5 | ||
| Short time overload: resistance change | -0.5 | 0.5 | % | 2 X rated power for 5 s | 5 | ||
| Moisture (no load): resistance change | -1 | 1 | % | 85℃, 85%RH, 1000 hrs | 5 | ||
| Temperature cycle: resistance change | -0.5 | 0.5 | % | -55℃ & +155℃, 300 cycles, 15 min per extreme | 5 | ||
| Resistance to soldering heat: resistance change | -0.5 | 0.5 | % | 260±5℃ for 20±1 sec | 5 | ||
| High temperature exposure: resistance change | -1 | 1 | % | 170℃, 1000 hrs | 5 | ||
| Low temperature storage: resistance change | -0.5 | 0.5 | % | -55℃, 1000 hrs | 5 | ||
| Substrate bending: resistance change | -1 | 1 | % | Bending width 2mm | 5 | ||
| Solderability: solder coverage of electrode | 95 | % | 245±5℃, 2±0.5 sec; at least 95% of electrode surface covered with new solder | 5 |
CAD (KiCad official)
- Symbol:
HoLR2512D-3W-8mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
holr2512d-3w-8mr-1-etched.step/holr2512d-3w-8mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);holr2512d-3w-8mr-1.step/holr2512d-3w-8mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
abf8cd96f0f116a0, 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, primarytwo-terminal convention(convention), consensusoff(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).