component

LRBM25EFER100

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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LRBM25EFER100

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRBM25EFER100 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
Nominal resistance (R100 = 100 mΩ, decoded from MPN) R 100 mΩ MPN suffix R100; part-numbering table: R001=1mΩ, R010=10mΩ 2
Resistance tolerance (F = 1%) -1 1 % MPN tolerance letter F = ±1% 2
Rated power (MPN power code E = 2W) P 2 W 2W row of LRB25* table; maximum rated power 3
Maximum rated current 4.45 A LRB25* 2W row, resistance range 101~510 mΩ 3
Maximum overload current 9.95 A LRB25* 2W row, resistance range 101~510 mΩ 3
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/°C LRB25* 2W row, resistance range 101~510 mΩ; printed ±50 3
Operating temperature range -55 170 °C 使用温度范围, LRB25* rows 3
Resistance change, short time overload ΔR/R -0.5 0.5 % 5 s overload at 5 times rated power (2512, 2W), 24 h rest; ≦±0.5% 5
Resistance change, biased humidity ΔR/R -0.5 0.5 % 85°C/85%RH, 10% rated power, 1000 h; ≦±0.5% 5
Resistance change, temperature cycling ΔR/R -0.5 0.5 % -55°C to +150°C, 1000 cycles, 15 min dwell; ≦±0.5% 5
Resistance change, low temperature exposure ΔR/R -0.5 0.5 % -55°C, 96 h; ≦±0.5% 5
Resistance change, high temperature exposure ΔR/R -1 1 % 170°C, 1000 h; ≦±1.0% 5
Resistance change, load life ΔR/R -1 1 % 70°C, rated power 90 min ON / 30 min OFF, 1000 h; ≦±1.0% 5
Resistance change, resistance to solder heat ΔR/R -0.5 0.5 % 260±5°C solder bath, 10±1 s; ≦±0.5% 5
Resistance change, terminal bending ΔR/R -0.5 0.5 % 2.5 kg, 2 mm deflection, 60 s; ≦±0.5% 5
Solderability (electrode area covered with new solder) 95 % 245±5°C, 3±1 s; area must be greater than 95% 5
Storage temperature 5 35 °C Sealed storage, RH 40~75, up to 2 years, away from corrosive gases and direct sunlight 6

CAD (KiCad official)

  • Symbol: LRBM25EFER100
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lrbm25efer100-etched.step / lrbm25efer100-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lrbm25efer100.step / lrbm25efer100.glb are the bare package body.

Provenance

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

  • Datasheet: NCT datasheet (6 pp, sha256 13512fac2aa9df8a, retrieved 2026-10-18, 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