5. Select a Resistor to Drive an LED
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RC1206FR-7W470RL
| DigiKey Part No | 13-RC1206FR-7W470RLTR-ND |
| Mfr Part No | RC1206FR-7W470RL |
| Manufacturer | YAGEO |
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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- ✅ Resistance: 470Ω matches the calculated value needed for 12V→2V/22mA LED current limiting.
- ✅ Tolerance: 1% (better than required ±5%).
- ✅ Power Rating: 0.5W (exceeds 0.33W minimum, ensuring reliability and cooler operation).
- ✅ Mounting Type: 1206 Surface Mount package, as required.
- ✅ Technology: Thick Film (matches requirement).
- ✅ RoHS Compliance: ROHS3 Compliant.
All key specifications are met or exceeded. This resistor is fully suitable for safely limiting current to a red LED at 22mA from a 12V supply in a surface-mount application. Good choice!
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