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Contents

README

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HoYLR2512-3W-350mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoYLR2512-3W-350mR-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
Insulation resistance 100 MΩ 100V±15V DC applied between electrode and substrate, held 60 s 5
Long-term endurance: resistance change (ΔR) -1 1 % 70℃±2℃, 1000 h, rated power, 1.5 h on / 0.5 h off; printed as ΔR ≤ ±(1.0%+0.05mΩ) 5
Long-term damp heat: resistance change (ΔR) -1 1 % 85℃±2℃, 85%±3%RH, 1000 h, rated power, 1.5 h on / 0.5 h off; printed as ΔR ≤ ±(1.0%+0.05mΩ) 5
Long-term high temperature: resistance change (ΔR) -1 1 % 170℃ storage, 1000 h; printed as ΔR ≤ ±(1.0%+0.05mΩ) 5
Long-term low temperature: resistance change (ΔR) -0.5 0.5 % -55℃ storage, 1000 h; printed as ΔR ≤ ±(0.5%+0.05mΩ) 5
Temperature cycling: resistance change (ΔR) -0.5 0.5 % -55℃ 30 min to 155℃ 30 min, 1000 cycles; printed as ΔR ≤ ±(0.5%+0.05mΩ) 5
Solder heat resistance: resistance change (ΔR) -0.5 0.5 % 270℃±5℃ solder bath, 10 s±1; printed as ΔR ≤ ±(0.5%+0.05mΩ) 5
Bending test: resistance change (ΔR) -0.5 0.5 % Bending distance 2 mm, held 60 s±5 s; printed as ΔR ≤ ±(0.5%+0.05mΩ) 5
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/℃ 3
Resistance tolerance -1 1 % 3
Rated power P 3 W 額定功率 as printed for this part 3
Maximum rated current I 2.92 A 最大額定電流 as printed 3
Operating temperature range T -55 170 ℃ 3
Resistance R 350 mΩ 3

CAD (KiCad official)

  • Symbol: HoYLR2512-3W-350mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hoylr2512-3w-350mr-1-etched.step / hoylr2512-3w-350mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hoylr2512-3w-350mr-1.step / hoylr2512-3w-350mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 b877705c63d73c81, 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