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HoYLR2512-3W-50mR-1%
Public Made by Adomby adom
Milliohm Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, 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-50mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoYLR2512-3W-50mR-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 | First terminal of the 50 mΩ ±1% current-sense resistor (rated 3 W, max 7.74 A, operating range -55℃ to +170℃). |
| 2 | 2 | passive | Second terminal of the 50 mΩ ±1% current-sense resistor (rated 3 W, max 7.74 A, operating range -55℃ to +170℃). |
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 | % | MPN tolerance code 1% (±1%) | 3 | ||
| Temperature coefficient of resistance | TCR | -50 | 50 | ppm/℃ | 3 | ||
| Rated power | P | 3 | W | 3 | |||
| Maximum rated current | I | 7.74 | A | 3 | |||
| Operating temperature range | -55 | 170 | ℃ | 3 | |||
| Insulation resistance | 100 | MΩ | 100 V±15 V DC applied between electrode and substrate, held 60 s | 5 | |||
| ΔR limit, temperature coefficient test (percent part) | -1 | 1 | % | +25℃~+125℃ | 5 | ||
| ΔR limit, temperature coefficient test (mΩ part) | -0.05 | 0.05 | mΩ | +25℃~+125℃ | 5 | ||
| ΔR limit, heat resistance test (percent part) | -0.5 | 0.5 | % | 270℃±5℃ solder bath, 10s±1 | 5 | ||
| ΔR limit, heat resistance test (mΩ part) | -0.05 | 0.05 | mΩ | 270℃±5℃ solder bath, 10s±1 | 5 | ||
| ΔR limit, bending test (percent part) | -0.5 | 0.5 | % | Bending distance 2mm, hold 60s±5s | 5 | ||
| ΔR limit, bending test (mΩ part) | -0.05 | 0.05 | mΩ | Bending distance 2mm, hold 60s±5s | 5 | ||
| ΔR limit, long-term high temperature test (percent part) | -1 | 1 | % | 170℃ for 1000 H | 5 | ||
| ΔR limit, long-term high temperature test (mΩ part) | -0.05 | 0.05 | mΩ | 170℃ for 1000 H | 5 | ||
| ΔR limit, long-term low temperature test (percent part) | -0.5 | 0.5 | % | -55℃ for 1000 H | 5 | ||
| ΔR limit, long-term low temperature test (mΩ part) | -0.05 | 0.05 | mΩ | -55℃ for 1000 H | 5 | ||
| ΔR limit, temperature cycling test (percent part) | -0.5 | 0.5 | % | -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles | 5 | ||
| ΔR limit, temperature cycling test (mΩ part) | -0.05 | 0.05 | mΩ | -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles | 5 | ||
| ΔR limit, long-term endurance test (percent part) | -1 | 1 | % | 70℃±2℃, 1000 hours, rated power, 1.5 h on / 0.5 h off | 5 | ||
| ΔR limit, long-term endurance test (mΩ part) | -0.05 | 0.05 | mΩ | 70℃±2℃, 1000 hours, rated power, 1.5 h on / 0.5 h off | 5 | ||
| ΔR limit, long-term humidity test (percent part) | -1 | 1 | % | 85℃±2℃, 85%±3%RH, 1000 hours, rated power, 1.5 h on / 0.5 h off | 5 | ||
| ΔR limit, long-term humidity test (mΩ part) | -0.05 | 0.05 | mΩ | 85℃±2℃, 85%±3%RH, 1000 hours, rated power, 1.5 h on / 0.5 h off | 5 | ||
| Nominal resistance | R | 50 | mΩ | 3 |
CAD (KiCad official)
- Symbol:
HoYLR2512-3W-50mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hoylr2512-3w-50mr-1-etched.step/hoylr2512-3w-50mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoylr2512-3w-50mr-1.step/hoylr2512-3w-50mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
f2bd130621c9fbe5, retrieved 2026-10-19, 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).