High Reliability SMD Inductors CWR1257C
AEC-Q200 Not Recommended
Mag 
Features
- High reliability available for automotive application.
- SMD magnetic shielded type of power inductor.
- Suitable for power supply choke coil.
- AEC-Q200 compliant
- Operating temperature：-40℃～+150℃(The self-heating is included)
Applications
- Automotive Car Audio, Car Navigation, ECU, LED Headlights
Electrical Characteristics
| Part Number | Inductance(µH) | DCR (Ω) | DC Saturation Allowable Current (A) | Temperature Rise Allowable Current (A) | |
|---|---|---|---|---|---|
| Max | Typical | ||||
| CWR1257C-3R3N | 3.3 ± 30% | 0.016 | 0.012 | 7.5 | 5 |
| CWR1257C-4R7N | 4.7 ± 30% | 0.018 | 0.014 | 7 | 4.5 |
| CWR1257C-5R6N | 5.6 ± 30% | 0.021 | 0.016 | 6.5 | 4.3 |
| CWR1257C-8R2N | 8.2 ± 30% | 0.023 | 0.018 | 5.5 | 4.1 |
| CWR1257C-100M | 10 ± 20% | 0.026 | 0.02 | 5 | 3.8 |
| CWR1257C-120M | 12 ± 20% | 0.032 | 0.024 | 4.4 | 3.4 |
| CWR1257C-150M | 15 ± 20% | 0.038 | 0.029 | 3.95 | 3.1 |
| CWR1257C-180M | 18 ± 20% | 0.046 | 0.035 | 3.55 | 2.8 |
| CWR1257C-220M | 22 ± 20% | 0.049 | 0.038 | 3.2 | 2.7 |
| CWR1257C-270M | 27 ± 20% | 0.058 | 0.044 | 3 | 2.5 |
| CWR1257C-330M | 33 ± 20% | 0.075 | 0.059 | 2.6 | 2.3 |
| CWR1257C-390M | 39 ± 20% | 0.085 | 0.064 | 2.5 | 2.15 |
| CWR1257C-470M | 47 ± 20% | 0.1 | 0.078 | 2.4 | 2 |
| CWR1257C-560M | 56 ± 20% | 0.105 | 0.082 | 2.1 | 1.9 |
| CWR1257C-680M | 68 ± 20% | 0.135 | 0.107 | 2 | 1.7 |
| CWR1257C-820M | 82 ± 20% | 0.17 | 0.13 | 1.7 | 1.5 |
| CWR1257C-101M | 100 ± 20% | 0.215 | 0.166 | 1.6 | 1.3 |
| CWR1257C-121M | 120 ± 20% | 0.245 | 0.188 | 1.4 | 1.25 |
| CWR1257C-151M | 150 ± 20% | 0.305 | 0.236 | 1.25 | 1.1 |
| CWR1257C-181M | 180 ± 20% | 0.36 | 0.275 | 1.15 | 1 |
| CWR1257C-221M | 220 ± 20% | 0.44 | 0.338 | 1.05 | 0.9 |
| CWR1257C-271M | 270 ± 20% | 0.53 | 0.407 | 0.95 | 0.85 |
| CWR1257C-331M | 330 ± 20% | 0.635 | 0.482 | 0.85 | 0.75 |
| CWR1257C-391M | 390 ± 20% | 0.735 | 0.565 | 0.76 | 0.68 |
| CWR1257C-471M | 470 ± 20% | 0.9 | 0.692 | 0.72 | 0.65 |
| CWR1257C-561M | 560 ± 20% | 0.99 | 0.76 | 0.65 | 0.6 |
| CWR1257C-681M | 680 ± 20% | 1.2 | 0.93 | 0.62 | 0.57 |
| CWR1257C-821M | 820 ± 20% | 1.49 | 1.15 | 0.56 | 0.48 |
| CWR1257C-102M | 1000 ± 20% | 1.85 | 1.42 | 0.49 | 0.44 |
Current characteristic graph
Characteristics of DC Superposition
Characteristics of Temperature Rise
