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Contents

README

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HoLR2512-330mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 2512

HoLR2512-330mR-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 First Ni/Sn-plated terminal of the 330 mR alloy resistor (3W rated power, -50 to +170 °C operating range), non-polar and interchangeable with the other terminal.
2 2 passive Second Ni/Sn-plated terminal of the 330 mR alloy resistor (3W rated power, ±1% tolerance), non-polar and interchangeable with the other terminal.

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 (code F, printed as ±1%) -1 1 % 1
Load life: resistance change -1 1 % IEC60115-1-4.25.1 / JIS-C5201-4.25.1; 1000 hours at rated power, 70℃, 1.5 hours ON, 0.5 hour OFF 4
Short time overload: resistance change -1 1 % IEC60115-1-4.13 / JIS-C5201-4.13; 2 X rated power for 5 s 4
Moisture, no load: resistance change -1 1 % IEC60115-1-4.24.2.1a) / JIS-C5201-4.24.2.1a); 85℃, 85%RH, 1000 hrs 4
Temperature cycle: resistance change -1 1 % IEC60115-1-4.19 / JIS-C5201-4.19; -55℃ & +155℃, 100 cycles, 15 min per extreme condition 4
Resistance to soldering heat: resistance change -0.5 0.5 % IEC60115-1-4.18 / JIS-C5201-4.18; 260±5℃ for 10±1 sec 4
High temperature exposure: resistance change -1 1 % IEC60115-1-4.23.2 / JIS-C5201-4.23.2; 155℃, 1000 hrs 4
Low temperature storage: resistance change -1 1 % IEC60115-1-4.23.4 / JIS-C5201-4.23.4; -55℃, 1000 hrs 4
Substrate bending: resistance change -0.5 0.5 % IEC60115-1-4.33 / JIS-C5201-4.33; bending width 2 mm 4
Insulation resistance 100 MΩ IEC60115-1-4.6 / JIS-C5201-4.6; 100 V DC for 1 minute 4
Operating temperature range -50 170 ℃ 2
Rated power 3 W 2

CAD (KiCad official)

  • Symbol: HoLR2512-330mR-1%
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: holr2512-330mr-1-etched.step / holr2512-330mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); holr2512-330mr-1.step / holr2512-330mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (4 pp, sha256 6fe015b76b72e315, retrieved 2026-11-06, 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 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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