component
LRBM25EFER100
Public Made by Adomby 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.
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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README
markdownLRBM25EFER100
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lrbm25efer100.step/lrbm25efer100.glbare 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, primarytwo-terminal convention(convention), consensusoff(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).