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LRAN12SFTR100

Public Made by Adom

by adom

NCT Current Sense Resistors/Shunt Resistors, 1206. 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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LRAN12SFTR100

NCT · Current Sense Resistors/Shunt Resistors · 1206

LRAN12SFTR100 from NCT, 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 Terminal 1 of an unpolarised resistor; either orientation.
2 2 passive Terminal 2 of an unpolarised resistor; either orientation.

Key specifications

Parameter Value
Manufacturer NCT
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
Rated power (0.5W group, 40mΩ-100mΩ) P 0.5 W 0.5W row, 40mΩ-100mΩ 4
Maximum rated current I 3.54 A 0.5W row, 40mΩ-100mΩ 4
Maximum overload current 7.91 A 0.5W row, 40mΩ-100mΩ 4
Resistance tolerance -1 1 % Tolerance code F 3
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/°C 4
Resistance range R 40 100 mΩ 0.5W row 4
Operating temperature range T -55 170 °C 4
Insulation resistance IR 100 MΩ 100 VDC applied 1 min, electrode to protective layer and to substrate 9
Short time overload resistance change ΔR/R -0.5 0.5 % 5 s overload at 5× rated power, then 24 h rest 8
Biased humidity resistance change ΔR/R -0.5 0.5 % 85°C, 85%RH, rated current 90 min ON/30 min OFF, 1000 h 8
Temperature cycling resistance change ΔR/R -0.5 0.5 % -55°C to +125°C, 1000 cycles 8
Low temperature exposure resistance change ΔR/R -0.5 0.5 % -55°C, 1000 h 8
High temperature exposure resistance change ΔR/R -1 1 % 170°C, 1000 h 9
Load life resistance change ΔR/R -1 1 % 70°C, rated current 90 min ON/30 min OFF, 1000 h 9
Resistance to solder heat resistance change ΔR/R -0.5 0.5 % 260°C solder bath, 10 s 9
Resistance to solvent resistance change ΔR/R -0.5 0.5 % Isopropanol 20-25°C, 60 s 9
Solder joint strength resistance change ΔR/R -0.5 0.5 % Board bend test, measured under load 9
Nominal resistance (MPN code R100) R 100 mΩ 3

CAD (KiCad official)

  • Symbol: LRAN12SFTR100
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: lran12sftr100-etched.step / lran12sftr100-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lran12sftr100.step / lran12sftr100.glb are the bare package body.

Provenance

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

  • Datasheet: NCT datasheet (12 pp, sha256 9468aafd42725899, 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