5. Select a Resistor to Drive an LED
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P470ADTR-ND
| DigiKey Part No | P470ADTR-ND |
| Mfr Part No | ERJ-P06J471V |
| Manufacturer | Panasonic Electronic Components |
RES SMD 470 OHM 5% 1/2W 0805
470 Ohms ±5% 0.5W, 1/2W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200, Pulse Withstanding Thick Film
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Response By EW AI
- ✅ Resistance: 470Ω (matches calculated requirement for 22mA with a 12V→2V drop)
- ✅ Tolerance: ±5% (meets the requirement of ±5% or better)
- ✅ Power Rating: 0.5W (exceeds the minimum requirement of 0.33W; actual dissipation: (10V×0.022A)=0.22W, so this is safe with margin)
- ✅ Mounting Type: 0805 Surface Mount (matches the requirement)
- ✅ Technology: Thick Film (acceptable per requirements)
- ✅ RoHS Compliance: ROHS3 Compliant (meets environmental requirement)
All critical specifications are satisfied for safe, reliable LED operation. Good choice!
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