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HoYLR2512-2W-27mR-1%

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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.

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HoYLR2512-2W-27mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoYLR2512-2W-27mR-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 (suffix -1%) -1 1 % 3
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/℃ 3
Rated power 2 W 3
Maximum rated current 8.6 A 3
Operating temperature range -55 170 ℃ 3
Insulation resistance 100 MΩ 100V±15V DC applied between electrode and substrate, held 60 s 5
Solderability: solder coverage of electrode 95 % 245℃±5℃ solder bath, 2 s±0.5 s 5
Pre-heat zone temperature 150 180 ℃ 90±30 s 4
Soldering zone temperature 230 ℃ 30±10 s 4
Storage environment temperature 5 35 ℃ Storage 7
Storage environment humidity 65 %RH Storage, keep as low as possible 7
ΔR after temperature coefficient test (percent part) ΔR -1 1 % +25℃~+125℃ 5
ΔR after temperature coefficient test (absolute part) ΔR -0.05 0.05 mΩ +25℃~+125℃ 5
ΔR after heat resistance test (percent part) ΔR -0.5 0.5 % 270℃±5℃ solder bath, 10 s±1 5
ΔR after heat resistance test (absolute part) ΔR -0.05 0.05 mΩ 270℃±5℃ solder bath, 10 s±1 5
ΔR after bending test (percent part) ΔR -0.5 0.5 % Bending distance 2 mm, held 60 s±5 s 5
ΔR after bending test (absolute part) ΔR -0.05 0.05 mΩ Bending distance 2 mm, held 60 s±5 s 5
ΔR after long-term high temperature (percent part) ΔR -1 1 % 170℃, 1000 h 5
ΔR after long-term high temperature (absolute part) ΔR -0.05 0.05 mΩ 170℃, 1000 h 5
ΔR after long-term low temperature (percent part) ΔR -0.5 0.5 % -55℃, 1000 h 5
ΔR after long-term low temperature (absolute part) ΔR -0.05 0.05 mΩ -55℃, 1000 h 5
ΔR after temperature cycling (percent part) ΔR -0.5 0.5 % -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles 5
ΔR after temperature cycling (absolute part) ΔR -0.05 0.05 mΩ -55℃ 30 min to room temp 5 min to 155℃ 30 min, 1000 cycles 5
ΔR after long-term endurance (percent part) ΔR -1 1 % 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off 5
ΔR after long-term endurance (absolute part) ΔR -0.05 0.05 mΩ 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off 5
ΔR after long-term humidity (percent part) ΔR -1 1 % 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off 5
ΔR after long-term humidity (absolute part) ΔR -0.05 0.05 mΩ 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off 5

CAD (KiCad official)

  • Symbol: HoYLR2512-2W-27mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hoylr2512-2w-27mr-1-etched.step / hoylr2512-2w-27mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hoylr2512-2w-27mr-1.step / hoylr2512-2w-27mr-1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Milliohm datasheet (7 pp, sha256 a04ca76b5cd4396f, retrieved 2026-10-17, 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, primary two-terminal convention (convention), consensus off (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