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Contents

README

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LRBM25GFER005

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRBM25GFER005 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 (LRB25*, 3W, no S suffix) R 2 100 mΩ 阻值范围 row for LRB25* 3W 3
Resistance tolerance (code F = 1%) -1 1 % Precision code F: ±1% 2
Temperature coefficient of resistance TCR -50 50 ppm/°C LRB25* 3W row 3
Maximum rated current 38.73 最高额定电流 for LRB25* 3W row; unit not printed in table 3
Maximum overload current 86.6 最高过载电流 for LRB25* 3W row; unit not printed in table 3
Operating temperature range -55 170 °C 使用温度范围 3
Maximum rated power 3 W 最高额定功率 for LRB25* 3W row; derate above 70°C per curve 3
Nominal resistance (this MPN, R005) R 5 mΩ R005 = 5mΩ marking 3
Short time overload: resistance change ΔR/R -0.5 0.5 % Overload 5 s at 5 times rated power (2512 3W), 24 h rest 5
Biased humidity: resistance change ΔR/R -0.5 0.5 % 85°C/85%RH, 10% rated power, 1000 h 5
Temperature cycling: resistance change ΔR/R -0.5 0.5 % -55°C to +150°C, 1000 cycles 5
Low temperature exposure: resistance change ΔR/R -0.5 0.5 % -55±2°C, 96 h 5
High temperature exposure: resistance change ΔR/R -1 1 % 170°C, 1000 h 5
Load life: resistance change ΔR/R -1 1 % 70±2°C, rated power, 90 min ON / 30 min OFF, 1000 h 5
Resistance to solder heat: resistance change ΔR/R -0.5 0.5 % 260±5°C solder bath, 10±1 s 5
Terminal bending: resistance change ΔR/R -0.5 0.5 % 2.5 kg applied, 2 mm deflection, 60 s under load 5

CAD (KiCad official)

  • Symbol: LRBM25GFER005
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lrbm25gfer005-etched.step / lrbm25gfer005-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lrbm25gfer005.step / lrbm25gfer005.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 2026-10-17, 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