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5. Select a Resistor to Drive an LED

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Shanthosini
Shanthosini
December 24, 2025
CRCW0805470RFKEAHP
Component
DigiKey Part No541-470TTR-ND
Mfr Part NoCRCW0805470RFKEAHP
ManufacturerVishay Dale

RES SMD 470 OHM 1% 1/2W 0805

470 Ohms ±1% 0.5W, 1/2W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200, Pulse Withstanding Thick Film

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EW

Response By EW AI

Resistor Part Number: CRCW0805470RFKEAHP
  • ✅ Resistance: 470Ω (matches calculated value perfectly)
  • ✅ Tolerance: ±1% (better than required ±5%)
  • ✅ Power Rating: 0.5W (exceeds ≥0.33W requirement; safe for calculated dissipation: (10V × 0.022A = 0.22W))
  • ✅ Mounting Type: Surface Mount (0805 package, fully suitable)
  • ✅ Technology: Thick Film (acceptable per spec)
  • ✅ RoHS Compliance: ROHS3 Compliant
Conclusion: All specifications are met or exceeded. This resistor is fully approved for your LED current limiting application.
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