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LRBN25GFER020

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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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

LRBN25GFER020

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRBN25GFER020 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 (LRBN25, tolerance columns ±1%(F), ±2%(G), ±5%(J)) R 1 100 mΩ 阻值范围 1mΩ~100mΩ 5
Maximum rated current 54.78 A 5
Maximum overload current 122.48 A 5
Temperature coefficient of resistance TCR -275 275 ppm/°C R≦1mΩ 5
Temperature coefficient of resistance TCR -50 50 ppm/°C 1mΩ<R≦100mΩ 5
Operating temperature range (使用温度范围) -55 170 °C 5
Short time overload resistance change (LRBN25 3W, X5 rated power) -0.5 0.5 % 過負荷5秒，靜置24小時後量測 (5 s overload, 24 h rest) 10
Biased humidity resistance change -0.5 0.5 % 85±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~+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 % 260±5°C solder bath, 10±1 s 11
Resistance to solvent resistance change -0.5 0.5 % isopropanol 20~25°C, 60±5 s 11
Solderability (new solder coverage of electrode) 95 % electrode new tin area 11
Insulation resistance 100 MΩ 100 VDC applied 1 min between electrodes and protective layer / substrate 12
Joint strength of solder resistance change -0.5 0.5 % bend test board, load applied at centre 12

CAD (KiCad official)

  • Symbol: LRBN25GFER020
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lrbn25gfer020-etched.step / lrbn25gfer020-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lrbn25gfer020.step / lrbn25gfer020.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 2026-10-20, 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