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HoYLR1206-1W-20mR-1%
Public Made by Adomby adom
Milliohm Current Sense Resistors / Shunt Resistors, 1206. 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
markdownHoYLR1206-1W-20mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 1206
HoYLR1206-1W-20mR-1% from Milliohm, in a 1206. 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 20mΩ ±1% alloy current-sense resistor, rated 1W and 7.07A maximum, operating -55°C to +170°C. |
| 2 | 2 | passive | Second terminal of the 20mΩ ±1% alloy current-sense resistor, rated 1W and 7.07A maximum, operating -55°C to +170°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Milliohm |
| Package | 1206 |
| 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 | |||
| Insulation resistance | 100 | MΩ | 100V±15V DC applied between electrode and substrate, held 60 s | 5 | |||
| Operating temperature range | -55 | 170 | ℃ | 3 | |||
| Maximum rated current | 7.07 | A | 3 | ||||
| ΔR limit (percent term), temperature coefficient test | ΔR | -1 | 1 | % | +25℃ to +125℃ | 5 | |
| ΔR limit (absolute term), temperature coefficient test | ΔR | -0.05 | 0.05 | mΩ | +25℃ to +125℃ | 5 | |
| ΔR limit (percent term), solder heat resistance test | ΔR | -0.5 | 0.5 | % | 270℃±5℃ solder bath, 10 s±1 s | 5 | |
| ΔR limit (absolute term), solder heat resistance test | ΔR | -0.05 | 0.05 | mΩ | 270℃±5℃ solder bath, 10 s±1 s | 5 | |
| ΔR limit (percent term), bending test | ΔR | -0.5 | 0.5 | % | Bending distance 2 mm, held 60 s±5 s | 5 | |
| ΔR limit (absolute term), bending test | ΔR | -0.05 | 0.05 | mΩ | Bending distance 2 mm, held 60 s±5 s | 5 | |
| ΔR limit (percent term), long-term high temperature | ΔR | -1 | 1 | % | 170℃ for 1000 h | 5 | |
| ΔR limit (absolute term), long-term high temperature | ΔR | -0.05 | 0.05 | mΩ | 170℃ for 1000 h | 5 | |
| ΔR limit (percent term), long-term low temperature | ΔR | -0.5 | 0.5 | % | -55℃ for 1000 h | 5 | |
| ΔR limit (absolute term), long-term low temperature | ΔR | -0.05 | 0.05 | mΩ | -55℃ for 1000 h | 5 | |
| ΔR limit (percent term), temperature cycling | ΔR | -0.5 | 0.5 | % | -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles | 5 | |
| ΔR limit (absolute term), temperature cycling | ΔR | -0.05 | 0.05 | mΩ | -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles | 5 | |
| ΔR limit (percent term), long-term endurance | ΔR | -1 | 1 | % | 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off | 5 | |
| ΔR limit (absolute term), long-term endurance | ΔR | -0.05 | 0.05 | mΩ | 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off | 5 | |
| ΔR limit (percent term), long-term damp heat | ΔR | -1 | 1 | % | 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off | 5 | |
| ΔR limit (absolute term), long-term damp heat | ΔR | -0.05 | 0.05 | mΩ | 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off | 5 | |
| Resistance | R | 20 | mΩ | 3 | |||
| Rated power | 1 | W | Rated power; derate above 70℃ per power curve (curve not reproduced in text) | 3 | |||
| Temperature coefficient | 50 | ppm | 3 |
CAD (KiCad official)
- Symbol:
HoYLR1206-1W-20mR-1% - Footprint:
Resistor_SMD:R_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
hoylr1206-1w-20mr-1-etched.step/hoylr1206-1w-20mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoylr1206-1w-20mr-1.step/hoylr1206-1w-20mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
c51100235fc2a295, 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).