component

LRBK25EFER110

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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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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LRBK25EFER110

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRBK25EFER110 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 range R 101 500 mΩ 6
Maximum rated power P 2 W 6
Maximum rated current I 4.45 A 6
Maximum overload current 3.16 A 6
Temperature coefficient of resistance TCR -100 100 ppm/°C R≥101mΩ 6
Operating temperature range T -55 170 °C 6
Resistance change after short time overload ΔR/R -0.5 0.5 % 5 s overload at X5 rated power (2W for LRBK25), 24 h rest, JIS-C5201 10
Resistance change after biased humidity ΔR/R -0.5 0.5 % 85±5°C, 85±5%RH, rated current, 90 min ON/30 min OFF, 1000 h 11
Resistance change after temperature cycling ΔR/R -0.5 0.5 % -55°C to +125°C, 1000 cycles 11
Resistance change after low temperature exposure ΔR/R -0.5 0.5 % -55±2°C, 1000 h 11
Resistance change after high temperature exposure ΔR/R -1 1 % 170°C, 1000 h 11
Resistance change after load life ΔR/R -1 1 % 70±2°C, rated current, 90 min ON/30 min OFF, 1000 h 11
Resistance change after resistance to solder heat ΔR/R -0.5 0.5 % Immersed in 260±5°C solder bath, 10±1 s 11
Electrode new-solder coverage 95 % Immersed 245±5°C, 3±1 s; must be greater than 95% 11
Resistance change after resistance to solvent ΔR/R -0.5 0.5 % Isopropyl alcohol 20~25°C, 60±5 s 11
Insulation resistance 100 MΩ 100 VDC applied for 1 min between electrodes and protective layer / substrate 12
Resistance change after joint strength of solder ΔR/R -0.5 0.5 % Load applied at centre of bend test board 12

CAD (KiCad official)

  • Symbol: LRBK25EFER110
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lrbk25efer110-etched.step / lrbk25efer110-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lrbk25efer110.step / lrbk25efer110.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