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HoYLR2512E-2W-3mR-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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HoYLR2512E-2W-3mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoYLR2512E-2W-3mR-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
Operating temperature range -55 170 ℃ Operating temperature range 3
Resistance tolerance R -1 1 % Part-number tolerance code 1% 3
Temperature coefficient (TCR) -50 50 ppm/℃ 3
Insulation resistance 100 MΩ 100V±15V DC applied for 60 s between electrode and substrate 5
Solder electrode coverage 95 % 245±5℃ tin bath, 2±0.5 s 5
ΔR after heat resistance test ΔR -0.5 0.5 % 270±5℃ tin bath, 10±1 s; ΔR ≤ ±(0.5%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR after bending test ΔR -0.5 0.5 % Bending distance 2 mm, 60±5 s; ΔR ≤ ±(0.5%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR after long-term high temperature ΔR -1 1 % 170℃ for 1000 h; ΔR ≤ ±(1.0%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR after long-term low temperature ΔR -0.5 0.5 % -55℃ for 1000 h; ΔR ≤ ±(0.5%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR after temperature cycling ΔR -0.5 0.5 % -55℃ 30 min to ambient 5 min to 155℃ 30 min, 1000 cycles; ΔR ≤ ±(0.5%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR after long-term endurance ΔR -1 1 % 70±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off; ΔR ≤ ±(1.0%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR after damp heat test ΔR -1 1 % 85±2℃, 85±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off; ΔR ≤ ±(1.0%+0.05mΩ), absolute term 0.05mΩ as printed 5
ΔR over temperature coefficient test ΔR -1 1 % +25℃ to +125℃, referenced to TCR spec; ΔR ≤ ±(1%+0.05mΩ), absolute term 0.05mΩ as printed 5
Pre-heat temperature 150 180 ℃ Pre-heat zone for 90±30 s 4
Soldering zone temperature 230 ℃ Soldering zone for 30±10 s 4
Storage temperature 5 35 ℃ Storage environment 7
Storage humidity 65 %RH Storage environment, keep as low as possible 7
Maximum rated current I 25.81 A Printed as maximum rated current; formula I = P/R 3
Rated power P 2 W Rated power; power derating applies when resistor temperature reaches 70℃ 3
Resistance R 3 mR Nominal value for this MPN (3mR) 3

CAD (KiCad official)

  • Symbol: HoYLR2512E-2W-3mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hoylr2512e-2w-3mr-1-etched.step / hoylr2512e-2w-3mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hoylr2512e-2w-3mr-1.step / hoylr2512e-2w-3mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 3786201e51cd4fea, 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