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HoLLR2512-2W-25mR-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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HoLLR2512-2W-25mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoLLR2512-2W-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 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
Tolerance (code F, decoded from MPN 1%) -1 1 % Part-number table: F=±1% 1
Temperature Coefficient of Resistance (1mΩ<R≤50mΩ) TCR -50 50 ppm/°C 1mΩ<R≦50mΩ; TCR=(R2-R1)/R1/(T2-T1)×10^6, R2 at 125 °C 2
Operating temperature range -55 170 °C 2
Short time overload resistance change -0.5 0.5 % 5 s overload at rated power ×2 (table lists 3W model); ΔR measured after 24 h rest 5
Biased humidity resistance change -0.5 0.5 % 85 °C, 85 %RH, rated current 90 min ON/30 min OFF, 1000 h 5
Temperature cycling resistance change -0.5 0.5 % -55 °C to +125 °C, 1000 cycles 5
Low temperature exposure resistance change -0.5 0.5 % -55 °C, 1000 h storage 5
High temperature exposure resistance change -1 1 % 170 °C, 1000 h storage 6
Load life resistance change -1 1 % 70 °C, rated current 90 min ON/30 min OFF, 1000 h 6
Resistance to solder heat resistance change -0.5 0.5 % 260±5 °C solder bath, 10±1 s 6
Resistance to solvent resistance change -0.5 0.5 % Isopropyl alcohol 20-25 °C, 60±5 s 6
Joint strength of solder resistance change -0.5 0.5 % Bend test board, load at board centre 6
Insulation resistance 100 MΩ 100 VDC applied 1 min, electrode to protective layer and to substrate 6
Rated power (2W variant) P 2 W 1

CAD (KiCad official)

  • Symbol: HoLLR2512-2W-25mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: hollr2512-2w-25mr-1-etched.step / hollr2512-2w-25mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hollr2512-2w-25mr-1.step / hollr2512-2w-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 5dac9ede82062791, 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