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Contents

README

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HoYLR2512-3W-12mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoYLR2512-3W-12mR-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 -1 1 % Part number tolerance code 1% (printed ±1%) 3
Temperature coefficient (TCR) -50 50 ppm/℃ Printed ±50ppm/℃ 3
Rated power 3 W Printed 额定功率 3W 3
Maximum rated current 15.81 A Printed 最大额定电流 15.81A 3
Operating temperature range -55 170 ℃ 工作温度范围 -55℃~+170℃ 3
Pre-heat zone temperature 150 180 ℃ Pre-heat zone, 90±30 s 4
Soldering zone temperature 230 ℃ Soldering zone, ≥230℃, 30±10 s 4
Insulation resistance 100 MΩ 100V±15V DC applied for 60s between electrode and substrate 5
Solderability (electrode solder coverage) 95 % 245℃±5℃ solder bath, 2s±0.5s; printed 电极上锡面积>95% 5
ΔR temperature coefficient test, ΔR≤±(1%+0.05mΩ) -1 1 % +25℃~+125℃; plus 0.05mΩ term as printed 5
ΔR heat resistance, ΔR≤±(0.5%+0.05mΩ) -0.5 0.5 % 270℃±5℃ solder bath, 10s±1; no visible damage; plus 0.05mΩ term as printed 5
ΔR bending test, ΔR≤±(0.5%+0.05mΩ) -0.5 0.5 % Bend distance 2mm, hold 60s±5s; no mechanical damage; plus 0.05mΩ term as printed 5
ΔR long-term high temperature, ΔR≤±(1.0%+0.05mΩ) -1 1 % 170℃ for 1000H; plus 0.05mΩ term as printed 5
ΔR long-term low temperature, ΔR≤±(0.5%+0.05mΩ) -0.5 0.5 % -55℃ for 1000H; plus 0.05mΩ term as printed 5
ΔR temperature cycling, ΔR≤±(0.5%+0.05mΩ) -0.5 0.5 % -55℃ 30min ~ room temp 5min ~155℃ 30min, 1000 cycles; plus 0.05mΩ term as printed 5
ΔR long-term endurance, ΔR≤±(1.0%+0.05mΩ) -1 1 % 70℃±2℃, 1000 hours, rated power, on 1.5h/off 0.5h; plus 0.05mΩ term as printed 5
ΔR long-term humidity, ΔR≤±(1.0%+0.05mΩ) -1 1 % 85℃±2℃, 85%±3%RH, 1000 hours, rated power, on 1.5h/off 0.5h; plus 0.05mΩ term as printed 5
Nominal resistance 12 mΩ Printed 阻值 12mR (12 mΩ) 3

CAD (KiCad official)

  • Symbol: HoYLR2512-3W-12mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hoylr2512-3w-12mr-1-etched.step / hoylr2512-3w-12mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hoylr2512-3w-12mr-1.step / hoylr2512-3w-12mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 8392e40aa755f1c7, 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