component
HoYLR2512-3W-20mR-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
markdownHoYLR2512-3W-20mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoYLR2512-3W-20mR-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 | % | 3 | |||
| Temperature coefficient (TCR), printed as ±50ppm/℃ | -50 | 50 | ppm/℃ | 3 | |||
| Insulation resistance (electrode to substrate) | 100 | MΩ | 100V±15V DC applied between electrode and substrate, held 60 s | 5 | |||
| ΔR after temperature coefficient test, ±(1%+0.05mΩ), 1% part | ΔR | -1 | 1 | % | +25℃~+125℃; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after heat resistance, ±(0.5%+0.05mΩ) | ΔR | -0.5 | 0.5 | % | 270℃±5℃ solder bath, 10 s ±1; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after bending test, ±(0.5%+0.05mΩ) | ΔR | -0.5 | 0.5 | % | Bend distance 2 mm, held 60 s ±5 s; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after long-term high temperature, ±(1.0%+0.05mΩ) | ΔR | -1 | 1 | % | 170℃ for 1000 H; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after long-term low temperature, ±(0.5%+0.05mΩ) | ΔR | -0.5 | 0.5 | % | -55℃ for 1000 H; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after temperature cycling, ±(0.5%+0.05mΩ) | ΔR | -0.5 | 0.5 | % | -55℃ 30 min ~ room temp 5 min ~ 155℃ 30 min, 1000 cycles; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after long-term endurance, ±(1.0%+0.05mΩ) | ΔR | -1 | 1 | % | 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off; plus absolute term ±0.05mΩ as printed | 5 | |
| ΔR after damp heat, ±(1.0%+0.05mΩ) | ΔR | -1 | 1 | % | 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off; plus absolute term ±0.05mΩ as printed | 5 | |
| Rated power | 3 | W | Power derated when resistor temperature reaches 70℃ (power curve, page 4) | 3 | |||
| Maximum rated current | 12.24 | A | 3 | ||||
| Operating temperature range | -55 | 170 | ℃ | 3 | |||
| Pre-heat zone temperature | 150 | 180 | ℃ | Pre-heat zone, 90±30 s | 4 | ||
| Soldering zone temperature | 230 | ℃ | Soldering zone, 30±10 s | 4 | |||
| Nominal resistance (MPN 20mR) | R | 20 | mR | 3 |
CAD (KiCad official)
- Symbol:
HoYLR2512-3W-20mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hoylr2512-3w-20mr-1-etched.step/hoylr2512-3w-20mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoylr2512-3w-20mr-1.step/hoylr2512-3w-20mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
3e5960d90adbdb04, 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).