5. Select a Resistor to Drive an LED
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PCR1206-470RJ1
| DigiKey Part No | 696-PCR1206-470RJ1TR-ND |
| Mfr Part No | PCR1206-470RJ1 |
| Manufacturer | Riedon products by Bourns |
RES SMD 470 OHM 5% 1/3W 1206
470 Ohms ±5% 0.333W, 1/3W Chip Resistor 1206 (3216 Metric) Pulse Withstanding Thick Film
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- ✅ Resistance: 470Ω ±5% (matches calculated requirement).
- ✅ Tolerance: ±5% (meets or exceeds requirement).
- ✅ Power Rating: 0.333W (1/3W), meets the minimum 0.33W requirement.
(Calculated power dissipation: (10V x 22mA) = 0.22W. 0.333W rating gives a good safety margin.) - ✅ Mounting Type: Surface Mount (1206 package, suitable for PCB assembly).
- ✅ Technology: Thick Film (acceptable).
- ✅ RoHS Compliance: Yes (ROHS3 Compliant).
All required specifications are met. This resistor is suitable for safely limiting current to a red LED in a 12V application, with appropriate power margin and mounting type.
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