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 12V, 2V (LED forward), 22mA.
- ✅ Tolerance: ±5% – meets the requirement of ±5% or better.
- ✅ Power Rating: 0.5W (1/2W) – exceeds the minimum required power rating of 0.33W, providing extra reliability margin.
- ✅ Mounting Type: Surface Mount (0805 package) – fully meets surface-mount requirement.
- ✅ Technology: Thick Film – permitted per requirements.
- ✅ RoHS Compliance: ROHS3 Compliant – environmentally compliant as specified.
Conclusion: All specifications are met or exceeded. This resistor is approved for safe and reliable LED current limiting in your design.
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