5. Select a Resistor to Drive an LED
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RC1206JR-7W470RL
| DigiKey Part No | 13-RC1206JR-7W470RLTR-ND |
| Mfr Part No | RC1206JR-7W470RL |
| Manufacturer | YAGEO |
RES 470 OHM 5% 1/2W 1206
470 Ohms ±5% 0.5W, 1/2W Chip Resistor 1206 (3216 Metric) Moisture Resistant Thick Film
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- ✅ Resistance: 470Ω (Matches calculated need for proper LED current limiting)
- ✅ Tolerance: ±5% (Meets requirement of ±5% or better)
- ✅ Power Rating: 0.5W (Exceeds minimum requirement of ≥0.33W; calculated power dissipation is ~0.22W, so this rating ensures reliability)
- ✅ Mounting Type: Surface Mount 1206 (Matches specified requirement)
- ✅ Technology: Thick Film (Meets requirement for Thick Film or Thin Film)
- ✅ RoHS Compliance: ROHS3 Compliant (Environmentally friendly and meets spec)
Conclusion: All critical specifications are satisfied. This resistor is fully suitable and recommended for your 12V red LED current-limiting application.
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