component

LRAN25EFER009

Public Made by Adom

by adom

NCT 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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LRAN25EFER009

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRAN25EFER009 from NCT, 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 NCT
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) -1 1 % Tolerance code F, printed as ±1%(F) in the rating table 5
Temperature coefficient of resistance TCR -50 50 ppm/°C 1mΩ<R≦10mΩ (LRAN25 row) 5
Insulation resistance 100 MΩ 100VDC applied 1 min between electrodes and protective coat / substrate 12
Short time overload resistance change -0.5 0.5 % 5 s overload at X5 rated power, 24 h rest 10
Biased humidity resistance change -0.5 0.5 % 85°C ±5°C, 85 ±5%RH, rated current 90 min ON / 30 min OFF, 1000 h 11
Temperature cycling resistance change -0.5 0.5 % -55°C to +125°C, 1000 cycles 11
Low temperature exposure resistance change -0.5 0.5 % -55±2°C, 1000 h 11
High temperature exposure resistance change -1 1 % 170°C, 1000 h 11
Load life resistance change -1 1 % 70±2°C, rated current 90 min ON / 30 min OFF, 1000 h 11
Resistance to solder heat resistance change -0.5 0.5 % Immersed in 260±5°C solder bath 10±1 s 11
Resistance to solvent resistance change -0.5 0.5 % Isopropyl alcohol 20-25°C, 60±5 s; no visible damage 11
Joint strength of solder resistance change -0.5 0.5 % Bend test board, load applied at board centre; no visible damage 12
Solderability (new solder coverage on electrodes) 95 % Immersed in 245±5°C bath 3±1 s 11
Operating temperature range -55 170 °C Printed as 使用温度范围 for LRAN25 rows 5
Rated power P 2 W LRAN25 row, 2W 5
Resistance value range R 2 10 mΩ LRAN25 row printed range 2mΩ~10mΩ 5
Storage temperature 5 35 °C Sealed storage, 2-year shelf life 14
Storage relative humidity 40 75 %RH Sealed storage, 2-year shelf life 14

CAD (KiCad official)

  • Symbol: LRAN25EFER009
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lran25efer009-etched.step / lran25efer009-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lran25efer009.step / lran25efer009.glb are the bare package body.

Provenance

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

  • Datasheet: NCT datasheet (15 pp, sha256 1c7bbc6a4c0f07fe, 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