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HoSS2512-3W-1mR-1%

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Milliohm Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HoSS2512-3W-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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hoss2512-3w-1mr-1.step / hoss2512-3w-1mr-1.glb are 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, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF