5. Select a Resistor to Drive an LED

• ✅ Resistance: 470Ω matches the calculated value for 22mA at 12V (with 2V LED drop).
• ✅ Tolerance: ±5% meets the requirement for current accuracy and brightness consistency.
• ✅ Power Rating: 0.4W exceeds the minimum required 0.33W, providing safe operation with margin.
  Calculated dissipation: (12V-2V) × 0.022A ≈ 0.22W
• ✅ Mounting Type: 0805 SMD package is surface-mount, as required.
• ✅ Technology: Thick Film is acceptable for this application.
• ✅ RoHS compliance: ROHS3 Compliant (meets environmental requirements).

Summary:
All required specifications are met or exceeded. The selected resistor Stackpole RPC0805JT470R-HP is well-suited for safely and reliably limiting current to your red LED in a 12V indicator circuit.