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HoLLR1206-1W-47mR-1%

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Milliohm Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HoLLR1206-1W-47mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 1206

HoLLR1206-1W-47mR-1% from Milliohm, in a 1206. 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 resistor electrode of the HoLLR1206 4-terminal-style current-sense resistor, with current (A) and voltage-sense (V) measurement points on the pad; series rating 1/2W-1W, 31.6 A maximum rated current, 70.7 A maximum overload current.
2 2 passive Second resistor electrode, mirror of the first, with its own current (A) and voltage-sense (V) measurement points; series operating range -55 to +170 °C, power derated above 70 °C.

Key specifications

Parameter Value
Manufacturer Milliohm
Package 1206
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 overload change (Short Time Overload) -0.5 0.5 % 5 s at X2 rated power, 24 h recovery 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±2°C, 1000 h 5
High temperature exposure resistance change -1 1 % 170°C oven, 1000 h 6
Load life resistance change -1 1 % 70±2°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 % Isopropanol 20-25°C, 60±5 s 6
Joint strength of solder resistance change -0.5 0.5 % Bend test board, force applied at centre 6
Insulation resistance 100 MΩ 100 VDC applied 1 min, electrode to protective coating and to substrate 6
Temperature coefficient of resistance (36mΩ-100mΩ band) TCR -100 100 ppm/°C 36mΩ-100mΩ range; TCR from R1 at room temperature to R2 at 125°C 2
Resistance tolerance (code F) -1 1 % Tolerance code F = ±1% per part-numbering table 1
Rated power P 1 W 1W size; derate above 70°C per printed power curve 2
Operating temperature range -55 170 °C 使用温度范围 (operating temperature range) as printed 2

CAD (KiCad official)

  • Symbol: HoLLR1206-1W-47mR-1%
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: hollr1206-1w-47mr-1-etched.step / hollr1206-1w-47mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hollr1206-1w-47mr-1.step / hollr1206-1w-47mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 881128cf8909c33d, retrieved 2026-11-02, 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