5. Select a Resistor to Drive an LED
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CRGH0805F464R
| DigiKey Part No | CRGH0805F464R-ND |
| Mfr Part No | CRGH0805F464R |
| Manufacturer | TE Connectivity Passive Product |
RES 464 OHM 1% 1/3W 0805
464 Ohms ±1% 0.333W, 1/3W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film
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- ✅ Resistance: 464Ω (1% tolerance) is very close to the calculated 470Ω. This will result in a slightly higher LED current (~21.6mA), which is within standard LED operating limits and acceptable for this application.
- ✅ Tolerance: 1% is better than the required ±5%. This ensures tighter control over current, enhancing consistency and reliability.
- ✅ Power Rating: 0.333W (1/3W) matches the minimum required, and calculated dissipation (P = (10V)^2 / 464Ω ≈ 0.216W) is well within safe limits.
- ✅ Mounting Type: 0805 SMD package is a standard surface-mount type—fully suitable.
- ✅ Technology: Thick Film, as required.
- ✅ RoHS Compliance: Marked as ROHS3 Compliant.
- ✅ Extra: Automotive AEC-Q200 rating adds robustness and reliability.
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