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HoYLR2512-3W-25mR-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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HoYLR2512-3W-25mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoYLR2512-3W-25mR-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 One end terminal of the 25 mΩ ±1% current-sense alloy resistor (3 W rated, max rated current 10.95 A, operating range -55 °C to +170 °C), non-polarized and interchangeable with the other terminal.
2 2 passive Other end terminal of the 25 mΩ ±1% current-sense alloy resistor (3 W rated at 70 °C, derating to 0 at 170 °C), non-polarized and interchangeable with the other terminal.

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
Nominal resistance R 25 mR 3
Resistance tolerance -1 1 % 3
Temperature coefficient of resistance TCR -50 50 ppm/℃ 3
Rated power P 3 W Rated power; derate when resistor temperature reaches 70 ℃ (power curve) 4
Maximum rated current I 10.95 A 3
Operating temperature range -55 170 ℃ 3
Pre-heat zone temperature 150 180 ℃ Pre-heat zone, 90±30 s 4
Soldering zone temperature 230 ℃ Soldering zone, 30±10 s 4
Insulation resistance 100 MΩ 100 V ±15 V DC applied 60 s between electrode and substrate 5
Resistance change, temperature coefficient test ΔR -1 1 % +25 ℃ to +125 ℃; ΔR ≤ ±(1%+0.05mΩ) 5
Resistance change, heat resistance ΔR -0.5 0.5 % 270 ℃ solder bath 10 s; ΔR ≤ ±(0.5%+0.05mΩ) 5
Resistance change, bending test ΔR -0.5 0.5 % Bending distance 2 mm, held 60 s; ΔR ≤ ±(0.5%+0.05mΩ) 5
Resistance change, long-term high temperature ΔR -1 1 % 170 ℃ for 1000 h; ΔR ≤ ±(1.0%+0.05mΩ) 5
Resistance change, long-term low temperature ΔR -0.5 0.5 % -55 ℃ for 1000 h; ΔR ≤ ±(0.5%+0.05mΩ) 5
Resistance change, temperature cycling ΔR -0.5 0.5 % -55 ℃ 30 min to 155 ℃ 30 min, 1000 cycles; ΔR ≤ ±(0.5%+0.05mΩ) 5
Resistance change, 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) 5
Resistance change, long-term humidity 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) 5

CAD (KiCad official)

  • Symbol: HoYLR2512-3W-25mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hoylr2512-3w-25mr-1-etched.step / hoylr2512-3w-25mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hoylr2512-3w-25mr-1.step / hoylr2512-3w-25mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 c5cb965b02f443b7, retrieved 2026-11-01, 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, 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