component
HoSS2512-3W-1mR-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
markdownHoSS2512-3W-1mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoSS2512-3W-1mR-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 1 mΩ ±1% manganin bare alloy resistor, rated 3 W and 54.77 A, with a recommended solder pad of 3.4 mm x 3.4 mm. |
| 2 | 2 | passive | Second terminal of the 1 mΩ ±1% manganin bare alloy resistor, rated 3 W and 54.77 A, with a recommended solder pad of 3.4 mm x 3.4 mm. |
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 | % | HoSS2512-3W-1mR-1%: printed accuracy ±1% | 3 | ||
| Resistance temperature coefficient (TCR) | -50 | 50 | ppm/℃ | Resistance temperature coefficient | 3 | ||
| Operating temperature range | -55 | 170 | ℃ | Operating temperature | 3 | ||
| Storage ambient temperature | 5 | 35 | ℃ | Product storage; relative humidity below 65% | 7 | ||
| Short-time overload resistance change | ΔR | -0.5 | 0.5 | % | 5x rated power for 5 s, JIS-C-5201 | 5 | |
| Bending strength resistance change | ΔR | -0.5 | 0.5 | % | 2 mm bending, AEC Q200-005 | 5 | |
| Solvent resistance resistance change | ΔR | -0.5 | 0.5 | % | Isopropyl alcohol immersion, AEC-Q200 TEST 12 | 5 | |
| Solder heat resistance resistance change | ΔR | -0.5 | 0.5 | % | 260±5°C tin bath, 10±1 s, AEC-Q200 TEST 15 | 5 | |
| Temperature cycling resistance change | ΔR | -0.5 | 0.5 | % | 1000 cycles, -55 to 155°C, AEC-Q200 TEST 4 | 5 | |
| High-temperature storage resistance change | ΔR | -0.5 | 0.5 | % | 1000 h at 155°C, no power, AEC-Q200 TEST 3 | 5 | |
| Biased humidity resistance change | ΔR | -0.5 | 0.5 | % | 1000 h at 85°C, 85% RH, 10% rated power, AEC-Q200 TEST 7 | 5 | |
| Load life resistance change | ΔR | -0.5 | 0.5 | % | Rated current, Ta=125°C, 100% power, 1000 h, AEC-Q200 TEST 8 | 5 | |
| Low-temperature storage resistance change | ΔR | -0.5 | 0.5 | % | -55°C, 1000 h storage | 5 | |
| Mechanical shock resistance change | ΔR | -0.5 | 0.5 | % | Half-sine, 100 g peak, 0.5 ms, X/Y/Z, AEC-Q200 TEST 13 | 5 | |
| Vibration resistance change | ΔR | -0.5 | 0.5 | % | 10 to 2000 Hz, 12 cycles per axis, AEC-Q200 TEST 14 | 5 | |
| Nominal resistance | R | 1 | mR | Part number value 1mR | 3 | ||
| Rated power | P | 3 | W | Rated power 3W for 2512 package | 3 | ||
| Rated current | I | 54.77 | A | Printed rated current for 1mR, 3W | 3 |
CAD (KiCad official)
- Symbol:
HoSS2512-3W-1mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hoss2512-3w-1mr-1-etched.step/hoss2512-3w-1mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoss2512-3w-1mr-1.step/hoss2512-3w-1mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
8b2d947ebec2f168, retrieved 2026-11-07, tier: lcsc) - 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).