High Reliability SMD Inductors CWR1277C
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 | ||||
| CWR1277C-3R3N | 3.3 ± 30% | 0.017 | 0.013 | 8 | 5.1 |
| CWR1277C-4R7N | 4.7 ± 30% | 0.02 | 0.015 | 7.2 | 4.8 |
| CWR1277C-6R8N | 6.8 ± 30% | 0.022 | 0.017 | 6.2 | 4.4 |
| CWR1277C-8R2N | 8.2 ± 30% | 0.024 | 0.019 | 5.8 | 4.2 |
| CWR1277C-100M | 10 ± 20% | 0.026 | 0.02 | 5.5 | 3.9 |
| CWR1277C-120M | 12 ± 20% | 0.029 | 0.022 | 5.2 | 3.8 |
| CWR1277C-150M | 15 ± 20% | 0.033 | 0.025 | 4.8 | 3.6 |
| CWR1277C-180M | 18 ± 20% | 0.035 | 0.027 | 4.5 | 3.5 |
| CWR1277C-220M | 22 ± 20% | 0.042 | 0.033 | 3.8 | 3 |
| CWR1277C-270M | 27 ± 20% | 0.05 | 0.038 | 3.3 | 2.85 |
| CWR1277C-330M | 33 ± 20% | 0.055 | 0.042 | 2.9 | 2.65 |
| CWR1277C-390M | 39 ± 20% | 0.065 | 0.05 | 2.8 | 2.45 |
| CWR1277C-470M | 47 ± 20% | 0.075 | 0.057 | 2.55 | 2.3 |
| CWR1277C-560M | 56 ± 20% | 0.09 | 0.069 | 2.2 | 2.1 |
| CWR1277C-680M | 68 ± 20% | 0.105 | 0.081 | 2.05 | 1.9 |
| CWR1277C-820M | 82 ± 20% | 0.14 | 0.107 | 1.85 | 1.7 |
| CWR1277C-101M | 100 ± 20% | 0.175 | 0.134 | 1.7 | 1.5 |
| CWR1277C-121M | 120 ± 20% | 0.2 | 0.152 | 1.5 | 1.4 |
| CWR1277C-151M | 150 ± 20% | 0.24 | 0.186 | 1.4 | 1.25 |
| CWR1277C-181M | 180 ± 20% | 0.27 | 0.207 | 1.3 | 1.2 |
| CWR1277C-221M | 220 ± 20% | 0.34 | 0.26 | 1.15 | 1.05 |
| CWR1277C-271M | 270 ± 20% | 0.445 | 0.342 | 0.97 | 0.95 |
| CWR1277C-331M | 330 ± 20% | 0.495 | 0.381 | 0.91 | 0.9 |
| CWR1277C-391M | 390 ± 20% | 0.565 | 0.436 | 0.84 | 0.85 |
| CWR1277C-471M | 470 ± 20% | 0.67 | 0.514 | 0.79 | 0.72 |
| CWR1277C-561M | 560 ± 20% | 0.81 | 0.622 | 0.7 | 0.68 |
| CWR1277C-681M | 680 ± 20% | 0.975 | 0.751 | 0.65 | 0.62 |
| CWR1277C-821M | 820 ± 20% | 1.16 | 0.89 | 0.6 | 0.57 |
| CWR1277C-102M | 1000 ± 20% | 1.4 | 1.08 | 0.5 | 0.5 |
Current characteristic graph
Characteristics of DC Superposition
Characteristics of Temperature Rise
