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HoLR2512-3W-4mR-1%-15ppm

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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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HoLR2512-3W-4mR-1%-15ppm

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoLR2512-3W-4mR-1%-15ppm 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 (F, per part-numbering table; MPN 1%) -1 1 % Tolerance letter F = ±1% (p.3 legend) 3
TCR per MPN suffix (15ppm) -15 15 ppm/℃ MPN suffix 15ppm; table row 7100 mΩ ≦±15 ppm/℃. Conflicts with 3.16.9 mΩ row for 4 mΩ, see review_required 3
TCR for resistance 3.1~6.9 mΩ (includes 4 mΩ) -25 25 ppm/℃ HoLR2512 resistance range 3.1~6.9 mΩ, ≦±25 ppm/℃ 3
Operating temperature range -55 170 ℃ Operating temperature range, printed as －55℃ ~ ＋170℃ 3
Load life resistance change -1 1 % 70±2℃, rated current applied, 90 min ON / 30 min OFF, 1000 h (JIS-C5201-1 4.25); ≦±1.0% for HoLR2512 (±2.0% applies only to 4527-3W/5W) 5
Moisture life resistance change -0.5 0.5 % 85±5℃ / 85±5%RH, rated current applied, 90 min ON / 30 min OFF, 1000 h (JIS-C5201-1 4.24) 5
Moisture resistance resistance change -0.5 0.5 % MIL-STD 202 Method 106, 10 humidity cycles, 24 h recovery 5
Temperature cycling resistance change -0.5 0.5 % -55℃/15 min to +150℃/15 min, 1000 cycles (JIS-C5201-1 4.19) 5
Low temperature exposure resistance change -0.5 0.5 % -55±2℃, 1000 h (JIS-C5201-1 4.23.4) 5
High temperature exposure resistance change -1 1 % 170±5℃, 1000 h (JIS-C5201-1 4.23.2) 5
Vibration resistance change -0.5 0.5 % 10-55-10 Hz per minute, amplitude 1.5 mm, 12 h (4 h each X/Y/Z) (JIS-C5201-1 4.22) 5
Resistance to soldering heat resistance change -0.5 0.5 % Immersed in 260±5℃ solder bath 10±1 s, 60 min rest (JIS-C5201-1 4.18) 5
Resistance to solvent resistance change -0.5 0.5 % Isopropyl alcohol at 20~25℃, 60±5 s, 48 h rest (JIS-C5201-1 4.29) 5
Solderability (wetted area) 95 % Immersed at 245±5℃ for 3±1 s; terminal wetted area greater than 95% (JIS-C5201-1 4.17) 5
Nominal resistance R 4 mΩ HoLR2512-3W-4mR variant, as printed in MPN (4mR) 1
Rated power 3 W Rated power at 70℃ for HoLR2512 (1W~3W range), 3W variant 3

CAD (KiCad official)

  • Symbol: HoLR2512-3W-4mR-1%-15ppm
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: holr2512-3w-4mr-1-15ppm-etched.step / holr2512-3w-4mr-1-15ppm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); holr2512-3w-4mr-1-15ppm.step / holr2512-3w-4mr-1-15ppm.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (6 pp, sha256 f063a5f080a2af71, 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