component
HoYLR2512-2W-300mR-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-300mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoYLR2512-2W-300mR-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 | -1 | 1 | % | 3 | |||
| Temperature coefficient (TCR) | -50 | 50 | ppm/℃ | 3 | |||
| Rated power | P | 2 | W | Rated power; power derated when resistor temperature reaches 70℃ per curve | 3 | ||
| Maximum rated current | I | 2.58 | A | Maximum rated current as printed | 3 | ||
| Operating temperature range | -55 | 170 | ℃ | Operating temperature range | 3 | ||
| Insulation resistance | 100 | MΩ | 100 V ±15 V DC applied 60 s between electrode and substrate | 5 | |||
| Solderability (wetted electrode area) | 95 | % | 245±5℃ tin bath, 2±0.5 s | 5 | |||
| Temperature coefficient test ΔR (plus 0.05 mΩ) | ΔR | 1 | % | +25℃ to +125℃ | 5 | ||
| Heat resistance ΔR (plus 0.05 mΩ) | ΔR | 0.5 | % | 270±5℃ tin bath, 10±1 s | 5 | ||
| Bending test ΔR (plus 0.05 mΩ) | ΔR | 0.5 | % | Bending distance 2 mm, hold 60±5 s | 5 | ||
| Long-term high temperature ΔR (plus 0.05 mΩ) | ΔR | 1 | % | 170℃ for 1000 h | 5 | ||
| Long-term low temperature ΔR (plus 0.05 mΩ) | ΔR | 0.5 | % | -55℃ for 1000 h | 5 | ||
| Temperature cycling ΔR (plus 0.05 mΩ) | ΔR | 0.5 | % | -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles | 5 | ||
| Long-term endurance ΔR (plus 0.05 mΩ) | ΔR | 1 | % | 70±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off | 5 | ||
| Long-term humidity ΔR (plus 0.05 mΩ) | ΔR | 1 | % | 85±2℃, 85±3% RH, 1000 h, rated power, 1.5 h on / 0.5 h off | 5 | ||
| Nominal resistance | R | 300 | mΩ | 3 |
CAD (KiCad official)
- Symbol:
HoYLR2512-2W-300mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hoylr2512-2w-300mr-1-etched.step/hoylr2512-2w-300mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoylr2512-2w-300mr-1.step/hoylr2512-2w-300mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
a144a542517a02e4, 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, 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).