component
LRBN25GFER033
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
markdownLRBN25GFER033
NCT · Current Sense Resistors/Shunt Resistors · 2512
LRBN25GFER033 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 (2W&3W row) | 1 | 100 | mΩ | LRBN25 (non-(S)) 2W&3W row, printed as 1mΩ~100mΩ | 5 | ||
| Temperature coefficient of resistance | TCR | -275 | 275 | ppm/°C | R≤1mΩ, printed as ±275 | 5 | |
| Temperature coefficient of resistance | TCR | -50 | 50 | ppm/°C | 1mΩ<R≤100mΩ, printed as ±50 | 5 | |
| Rated power | 2 | 3 | W | LRBN25 row printed as 2W&3W; variant wattage not identified by MPN | 5 | ||
| Maximum rated current | 54.78 | A | LRBN25 2W&3W row, as printed | 5 | |||
| Maximum overload current | 122.48 | A | LRBN25 2W&3W row, as printed | 5 | |||
| Operating temperature range | -55 | 170 | °C | Printed as -55~+170; power derated above 70°C | 5 | ||
| Short time overload resistance change | ΔR/R | -0.5 | 0.5 | % | 5 s overload at 5x rated power, measured after 24 h rest; printed ≦±0.5% | 10 | |
| Biased humidity resistance change | ΔR/R | -0.5 | 0.5 | % | 85°C, 85%RH, rated current, 90 min ON/30 min OFF, 1000 h; printed ≦±0.5% | 11 | |
| Temperature cycling resistance change | ΔR/R | -0.5 | 0.5 | % | -55°C to +125°C, 1000 cycles; printed ≦±0.5% | 11 | |
| Low temperature exposure resistance change | ΔR/R | -0.5 | 0.5 | % | -55°C, 1000 h storage; printed ≦±0.5% | 11 | |
| High temperature exposure resistance change | ΔR/R | -1 | 1 | % | 170°C, 1000 h storage; printed ≦±1.0% | 11 | |
| Load life resistance change | ΔR/R | -1 | 1 | % | 70°C, rated current, 90 min ON/30 min OFF, 1000 h; printed ≦±1.0% | 11 | |
| Resistance to solder heat resistance change | ΔR/R | -0.5 | 0.5 | % | 260°C solder bath, 10 s; printed ≦±0.5% | 11 | |
| Solderability electrode tin coverage | 95 | % | 245°C, 3 s; printed as new tin area must exceed 95% | 11 | |||
| Resistance to solvent resistance change | ΔR/R | -0.5 | 0.5 | % | Isopropyl alcohol at 20~25°C, 60 s; printed ≦±0.5% | 11 | |
| Insulation resistance | 100 | MΩ | 100 VDC applied 1 min, electrode to protective layer and to substrate; printed >100MΩ | 12 | |||
| Joint strength of solder resistance change | ΔR/R | -0.5 | 0.5 | % | Bend test board, load at centre; printed ≦±0.5% | 12 |
CAD (KiCad official)
- Symbol:
LRBN25GFER033 - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
lrbn25gfer033-etched.step/lrbn25gfer033-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lrbn25gfer033.step/lrbn25gfer033.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: NCT datasheet (15 pp, sha256
1c7bbc6a4c0f07fe, retrieved 2026-10-19, 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).