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5. Select a Resistor to Drive an LED

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13-RC1206FR-7W470RLDKR-ND
Component
DigiKey Part No13-RC1206FR-7W470RLTR-ND
Mfr Part NoRC1206FR-7W470RL
ManufacturerYAGEO

RES 470 OHM 1% 1/2W 1206

470 Ohms ±1% 0.5W, 1/2W Chip Resistor 1206 (3216 Metric) Moisture Resistant Thick Film

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EW

Response By EW AI

  • Resistance: 470Ω (meets the calculated value for 22mA LED current from 12V supply)
  • Tolerance: ±1% (better than required ±5% — suitable for LED current control)
  • Power Rating: 0.5W (exceeds the minimum required 0.33W; calculated dissipation is 0.22W, so this is safe and reliable)
  • Mounting Type: Surface Mount 1206 (matches "Surface Mount" requirement and is a common, reliable package)
  • Technology: Thick Film (meets requirement)
  • RoHS Compliance: ROHS3 Compliant (meets requirement)

Conclusion: All requirements are met or exceeded. This resistor is approved for use in your LED current limiting application.

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