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Contents

README

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LRBN25GFER036

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRBN25GFER036 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
Rated power (2W&3W row) 2 3 W LRBN25 row printed as 2W&3W (no (S) suffix) 5
Maximum rated current 54.78 A LRBN25 row, 2W&3W 5
Maximum overload current 122.48 A LRBN25 row, 2W&3W 5
Temperature coefficient of resistance TCR -275 275 ppm/°C R≦1mΩ (LRBN25 row) 5
Temperature coefficient of resistance TCR -50 50 ppm/°C 1mΩ<R≦100mΩ (LRBN25 row) 5
Operating temperature range -55 170 °C 使用温度范围, LRBN25 row 5
Resistance range 1 100 mΩ LRBN25 row, 2W&3W, 1mΩ~100mΩ 5
Insulation resistance 100 MΩ 100VDC applied 1 min between electrodes and protective layer / substrate 12
Solderability (new solder coverage of electrode) 95 % Dipped at 245±5°C for 3±1 s, electrode area covered with new solder 11
Short time overload resistance change ΔR/R -0.5 0.5 % Overload 5 s at X5 rated power (3W for LRBN25), 24 h rest, per JIS-C5201 10
Biased humidity resistance change ΔR/R -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 ΔR/R -0.5 0.5 % -55°C to +125°C, 1000 cycles, 1 h rest 11
Low temperature exposure resistance change ΔR/R -0.5 0.5 % -55±2°C, 1000 h, 1 h rest 11
High temperature exposure resistance change ΔR/R -1 1 % 170°C oven, 1000 h, 1 h rest 11
Load life resistance change ΔR/R -1 1 % 70°C±2°C, rated current 90 min ON / 30 min OFF, 1000 h 11
Resistance to solder heat resistance change ΔR/R -0.5 0.5 % Solder bath 260±5°C, 10±1 s, 1 h rest 11
Resistance to solvent resistance change ΔR/R -0.5 0.5 % Isopropyl alcohol 20-25°C, 60±5 s, 24 h rest 11
Joint strength of solder resistance change ΔR/R -0.5 0.5 % Force applied at centre of bend test board, measured under load 12
Storage temperature 5 35 °C Sealed, no direct sunlight, no corrosive gases; 2-year shelf life 14
Storage relative humidity 40 75 %RH Sealed package, 5-35°C storage 14
Power derating onset temperature 70 °C Rated power must be derated above 70°C (derating curve not in text) 6

CAD (KiCad official)

  • Symbol: LRBN25GFER036
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lrbn25gfer036-etched.step / lrbn25gfer036-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lrbn25gfer036.step / lrbn25gfer036.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