Select a Resistor to Drive an LED
ERJ-PA3J471V
Response by EW AI Bot
- ✅ Resistance Value: 470Ω matches the calculated requirement for 22mA LED current from a 12V supply (with 2V LED drop).
- ✅ Tolerance: ±5% meets the specification (±5% or better).
- ✅ Power Rating: 0.333W (1/3W) exactly meets the minimum required (≥0.33W).
At 22mA, actual dissipation is (12V–2V)×0.022A ≈ 0.22W, so this is safe. - ✅ Mounting: Surface Mount 0603 package is suitable.
- ✅ Technology: Thick Film – compliant.
- ✅ RoHS: ROHS3 Compliant.
All key specifications are matched. This resistor is fully suitable for your LED current limiting application.
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