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HoLLR2512-3W-27mR-1%

Public Made by Adom

by adom

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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HoLLR2512-3W-27mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoLLR2512-3W-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% = code F) -1 1 % 2
Temperature coefficient of resistance (TCR) TCR -40 40 ppm/°C 1mΩ<R≤500mΩ 3
Operating temperature range -55 170 °C 3
Rated power P 3 W Derate above 70°C per power curve 3
Short time overload resistance change ΔR/R -0.5 0.5 % 5 s overload at 2× rated power (3W), measured after 24 h rest 6
Biased humidity resistance change ΔR/R -0.5 0.5 % 85°C±5°C, 85±5%RH, rated current, 90 min ON/30 min OFF, 1000 h 6
Temperature cycling resistance change ΔR/R -0.5 0.5 % -55°C to +125°C, 1000 cycles 6
Low temperature exposure (storage) resistance change ΔR/R -0.5 0.5 % -55±2°C, 1000 h 6
High temperature exposure (storage) resistance change ΔR/R -1 1 % 170°C, 1000 h 7
Load life resistance change ΔR/R -1 1 % 70±2°C, rated current, 90 min ON/30 min OFF, 1000 h 7
Resistance to solder heat resistance change ΔR/R -0.5 0.5 % 260±5°C solder bath, 10±1 s 7
Resistance to solvent resistance change ΔR/R -0.5 0.5 % Isopropyl alcohol 20-25°C, 60±5 s, 24 h rest 7
Insulation resistance R_ins 100 MΩ 100 VDC applied for 1 min, electrode to protective coating and to substrate 7
Joint strength of solder resistance change ΔR/R -0.5 0.5 % Board bend test, load applied at centre of test board 7
Nominal resistance R 27 mΩ MPN HoLLR2512-3W-27mR-1% 1

CAD (KiCad official)

  • Symbol: HoLLR2512-3W-27mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hollr2512-3w-27mr-1-etched.step / hollr2512-3w-27mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hollr2512-3w-27mr-1.step / hollr2512-3w-27mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (9 pp, sha256 675c43dd8835a46f, retrieved 2026-11-07, 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