component

LRAM25EFER010

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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LRAM25EFER010

NCT · Current Sense Resistors/Shunt Resistors · 2512

LRAM25EFER010 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 tolerance (code F, 1%) -1 1 % Part-number tolerance code F 3
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/°C LRA25*, 2 W, 2~10 mΩ range 3
Maximum rated power 2 W LRA25*, 2 W row; derate above 70 °C per power curve 3
Operating temperature range -55 170 °C LRA25*, 2 W row 3
Maximum rated current 30.62 LRA25*, 2 W, 2~10 mΩ row; unit not printed 3
Maximum overload current 70.71 LRA25*, 2 W, 2~10 mΩ row; unit not printed 3
Short time overload: resistance change ΔR/R -0.5 0.5 % 2512, 2 W, 5 × rated power for 5 s, then 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, 15 min dwell 5
Low temperature exposure: resistance change ΔR/R -0.5 0.5 % -55 °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 °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 °C solder bath, 10 s 5
Terminal bending: resistance change ΔR/R -0.5 0.5 % 2 mm deflection, 2.5 kg, 60 s under load 5
Solderability: electrode area covered by new solder 95 % 245 ±5 °C, 3 ±1 s, J-STD-002 5
Nominal resistance R 10 mΩ Part number suffix R010; LRA25*, 2 W 2

CAD (KiCad official)

  • Symbol: LRAM25EFER010
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lram25efer010-etched.step / lram25efer010-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lram25efer010.step / lram25efer010.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