component
LRAN12CFTR004
Public Made by Adomby adom
NCT Current Sense Resistors/Shunt Resistors, 1206. 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
markdownLRAN12CFTR004
NCT · Current Sense Resistors/Shunt Resistors · 1206
LRAN12CFTR004 from NCT, in a 1206. 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 | 1206 |
| 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 | % | 3 | |||
| Temperature coefficient of resistance (TCR) | TCR | -50 | 50 | ppm/°C | 4 | ||
| Operating temperature range | -55 | 170 | °C | 4 | |||
| Rated power (code C, 1W) | P | 1 | W | Derate above 70°C ambient per power derating curve | 4 | ||
| Short-time overload resistance change | -0.5 | 0.5 | % | 5 s at 5× rated power, then 24 h rest | 8 | ||
| Biased humidity resistance change | -0.5 | 0.5 | % | 85°C, 85% RH, rated current, 90 min ON / 30 min OFF, 1000 h | 8 | ||
| Temperature cycling resistance change | -0.5 | 0.5 | % | -55°C to +125°C, 1000 cycles | 8 | ||
| Low temperature exposure resistance change | -0.5 | 0.5 | % | -55°C, 1000 h storage | 8 | ||
| High temperature exposure resistance change | -1 | 1 | % | 170°C, 1000 h storage | 9 | ||
| Load life resistance change | -1 | 1 | % | 70°C, rated current, 90 min ON / 30 min OFF, 1000 h | 9 | ||
| Resistance to solder heat resistance change | -0.5 | 0.5 | % | 260±5°C solder bath, 10±1 s | 9 | ||
| Resistance to solvent resistance change | -0.5 | 0.5 | % | Isopropyl alcohol at 20-25°C, 60±5 s | 9 | ||
| Joint strength of solder resistance change | -0.5 | 0.5 | % | Bend test board, force applied at board centre under load | 9 | ||
| Insulation resistance | 100 | MΩ | 100 VDC applied for 1 min between terminals and protective layer / substrate | 9 | |||
| Solderability (electrode area covered with new solder) | 95 | % | Dipped at 245±5°C for 3±1 s | 9 | |||
| Nominal resistance (decoded from R004) | R | 4 | mΩ | Decoded from part-number suffix R004; range 1 mΩ-39 mΩ for 1W | 3 |
CAD (KiCad official)
- Symbol:
LRAN12CFTR004 - Footprint:
Resistor_SMD:R_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
lran12cftr004-etched.step/lran12cftr004-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lran12cftr004.step/lran12cftr004.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: NCT datasheet (12 pp, sha256
9468aafd42725899, 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).