Select a Resistor to Drive an LED

RC1206JR-7W470RL

Response by EW AI Bot

  • Resistance: 470Ω matches the calculated requirement for a 12V to 2V drop at 22mA.
  • Tolerance: ±5% meets the minimum requirement for current control.
  • Power Rating: 0.5W (1/2W) exceeds the required ≥0.33W, providing extra margin for reliability. (Dissipation in this application: (10V * 0.022A ≈ 0.22W) is well within limits.)
  • Mounting Type: 1206 SMD package is suitable for surface mount.
  • Technology: Thick Film, as specified.
  • RoHS Compliance: ROHS3 Compliant.

All key specifications are met or exceeded. This resistor is suitable for limiting current to the red LED in your 12V application.

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