component
LRBM25GFER025
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
markdownLRBM25GFER025
NCT · Current Sense Resistors/Shunt Resistors · 2512
LRBM25GFER025 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature range (使用温度范围) | -55 | 170 | °C | Printed as -55~+170 °C for all LRA/LRB rows | 3 | ||
| Resistance tolerance (精度, code F = ±1%) | -1 | 1 | % | Tolerance code F decoded from part number; ±1%(F) listed in the spec table | 2 | ||
| Temperature coefficient of resistance (TCR) | -50 | 50 | ppm/°C | LRB25* 3W row, resistance range 2~100 mΩ | 3 | ||
| Rated power (最高额定功率) | 3 | W | LRB25* 3W row, resistance range 2~100 mΩ | 3 | |||
| Maximum rated current (最高额定电流) | 38.73 | A | LRB25* 3W row, resistance range 2~100 mΩ | 3 | |||
| Maximum overload current (最高过载电流) | 86.6 | A | LRB25* 3W row, resistance range 2~100 mΩ | 3 | |||
| Short time overload, resistance change | -0.5 | 0.5 | % | 5 s overload at 5 times rated power (2512 3W), 24 h rest | 5 | ||
| Biased humidity, resistance change | -0.5 | 0.5 | % | 85°C/85%RH, 10% rated power, 1000 h | 5 | ||
| Temperature cycling, resistance change | -0.5 | 0.5 | % | -55°C to +150°C, 1000 cycles | 5 | ||
| Low temperature exposure, resistance change | -0.5 | 0.5 | % | -55±2°C, 96 h | 5 | ||
| High temperature exposure, resistance change | -1 | 1 | % | 170°C, 1000 h | 5 | ||
| Load life, resistance change | -1 | 1 | % | 70±2°C, rated power 90 min ON / 30 min OFF, 1000 h | 5 | ||
| Resistance to solder heat, resistance change | -0.5 | 0.5 | % | 260±5°C solder bath, 10±1 s | 5 | ||
| Terminal bending, resistance change | -0.5 | 0.5 | % | 2.5 kg, 2 mm deflection, 60 s load | 5 | ||
| Nominal resistance (R025 = 25 mΩ) | 25 | mΩ | Decoded from part number suffix R025 using the printed convention R001=1mΩ, R010=10mΩ | 2 |
CAD (KiCad official)
- Symbol:
LRBM25GFER025 - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
lrbm25gfer025-etched.step/lrbm25gfer025-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lrbm25gfer025.step/lrbm25gfer025.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: NCT datasheet (6 pp, sha256
13512fac2aa9df8a, retrieved 2026-10-17, 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, 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).