5. Select a Resistor to Drive an LED
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ESR03EZPJ471
| DigiKey Part No | RHM470DTR-ND |
| Mfr Part No | ESR03EZPJ471 |
| Manufacturer | Rohm Semiconductor |
RES 470 OHM 5% 1/4W 0603
470 Ohms ±5% 0.333W, 1/3W Chip Resistor 0603 (1608 Metric) Automotive AEC-Q200, Pulse Withstanding Thick Film
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Resistor Selection Review
- ✅ Resistance: 470Ω (matches calculated value for 22mA at 12V-2V drop)
- ✅ Tolerance: ±5% (meets requirement of ±5% or better)
- ✅ Power Rating: 0.333W, 1/3W (meets requirement of ≥0.33W)
- ✅ Mounting Type: Surface Mount 0603 (suitable for SMD assembly)
- ✅ Technology: Thick Film (acceptable)
- ✅ RoHS Compliance: Yes (ROHS3 Compliant)
All required specifications are fulfilled.
Conclusion: This resistor is approved for use in the 12V red LED current-limiting application.
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