component
HoYLR2512-2W-12mR-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
markdownHoYLR2512-2W-12mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoYLR2512-2W-12mR-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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (part-number code 1%) | -1 | 1 | % | MPN suffix -1% | 3 | ||
| Temperature coefficient (温漂) | -50 | 50 | ppm/℃ | 温漂 ±50ppm/℃ (product spec) | 3 | ||
| Nominal resistance | 12 | mR | 阻值 12mR (MPN 12mR) | 3 | |||
| Rated power | 2 | W | 额定功率 2W; power derated when resistor temperature reaches 70℃ | 3 | |||
| Maximum rated current | 12.9 | A | 最大额定电流 12.9A (备注) | 3 | |||
| Operating temperature range | -55 | 170 | ℃ | 工作温度范围 -55℃~+170℃ | 3 | ||
| Temperature coefficient test resistance change | ΔR | -1 | 1 | % | 温度系数 +25℃~+125℃; ΔR ≤ ±(1%+0.05mΩ) | 5 | |
| Heat resistance resistance change | ΔR | -0.5 | 0.5 | % | 270℃±5℃ solder bath 10s±1; ΔR ≤ ±(0.5%+0.05mΩ), no visible damage | 5 | |
| Bending test resistance change | ΔR | -0.5 | 0.5 | % | bending distance 2mm, 60s±5s; ΔR ≤ ±(0.5%+0.05mΩ) | 5 | |
| Long-term high temperature resistance change | ΔR | -1 | 1 | % | 170℃ storage 1000 h; ΔR ≤ ±(1.0%+0.05mΩ) | 5 | |
| Long-term low temperature resistance change | ΔR | -0.5 | 0.5 | % | -55℃ storage 1000 h; ΔR ≤ ±(0.5%+0.05mΩ) | 5 | |
| Temperature cycling resistance change | ΔR | -0.5 | 0.5 | % | -55℃ to 155℃, 1000 cycles; ΔR ≤ ±(0.5%+0.05mΩ) | 5 | |
| Long-term endurance resistance change | ΔR | -1 | 1 | % | 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off; ΔR ≤ ±(1.0%+0.05mΩ) | 5 | |
| Long-term humidity resistance change | ΔR | -1 | 1 | % | 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off; ΔR ≤ ±(1.0%+0.05mΩ) | 5 | |
| Insulation resistance | 100 | MΩ | >100 MΩ; 100V±15V DC applied 60 s between electrode and substrate | 5 | |||
| Solderability (tin coverage on electrode) | 95 | % | 245℃±5℃ tin bath 2s±0.5s; tinned area >95% | 5 | |||
| Reflow peak temperature | 260 | ℃ | Peak 260+5/-0 ℃ for 5 s (recommended soldering) | 4 |
CAD (KiCad official)
- Symbol:
HoYLR2512-2W-12mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hoylr2512-2w-12mr-1-etched.step/hoylr2512-2w-12mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoylr2512-2w-12mr-1.step/hoylr2512-2w-12mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
bd2962f2fe018f71, 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).