High Reliability Inductors CQR1257C
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)±30% | DC Saturation Allowable Current (A) | Temperature Rise Allowable Current (A) | ||
|---|---|---|---|---|---|---|
| Typical | Spec | Typical | Spec | |||
| CQR1257C-1R8N | 1.8 ± 30% | 0.006 | 20 | 13 | 9.9 | 6.8 |
| CQR1257C-2R4N | 2.4 ± 30% | 0.008 | 16.5 | 10.5 | 8.95 | 5.7 |
| CQR1257C-3R6N | 3.6 ± 30% | 0.009 | 14 | 8.5 | 8.15 | 5.45 |
| CQR1257C-4R7N | 4.7 ± 30% | 0.011 | 12.5 | 8 | 7.5 | 5 |
| CQR1257C-5R6N | 5.6 ± 30% | 0.013 | 11.4 | 7.1 | 7 | 4.7 |
| CQR1257C-7R5N | 7.5 ± 30% | 0.016 | 10 | 6.2 | 6.2 | 4.1 |
| CQR1257C-100M | 10 ± 20% | 0.022 | 8.4 | 5.6 | 5.2 | 3.6 |
| CQR1257C-120M | 12 ± 20% | 0.026 | 7.5 | 5 | 4.6 | 3.3 |
| CQR1257C-150M | 15 ± 20% | 0.031 | 7 | 4.4 | 4.4 | 2.95 |
| CQR1257C-180M | 18 ± 20% | 0.037 | 6.5 | 4 | 4.1 | 2.65 |
| CQR1257C-220M | 22 ± 20% | 0.043 | 5.6 | 3.7 | 3.55 | 2.55 |
| CQR1257C-270M | 27 ± 20% | 0.054 | 5 | 3.2 | 3.15 | 2.3 |
| CQR1257C-330M | 33 ± 20% | 0.06 | 4.6 | 2.95 | 3 | 2.1 |
| CQR1257C-390M | 39 ± 20% | 0.071 | 4.2 | 2.75 | 2.75 | 1.95 |
| CQR1257C-470M | 47 ± 20% | 0.086 | 4 | 2.5 | 2.45 | 1.75 |
| CQR1257C-560M | 56 ± 20% | 0.1 | 3.6 | 2.3 | 2.2 | 1.55 |
| CQR1257C-680M | 68 ± 20% | 0.13 | 3.3 | 2.05 | 1.95 | 1.4 |
| CQR1257C-820M | 82 ± 20% | 0.15 | 3 | 1.85 | 1.8 | 1.25 |
| CQR1257C-101M | 100 ± 20% | 0.18 | 2.7 | 1.65 | 1.65 | 1.15 |
| CQR1257C-121M | 120 ± 20% | 0.23 | 2.5 | 1.5 | 1.45 | 1.05 |
| CQR1257C-151M | 150 ± 20% | 0.27 | 2.2 | 1.35 | 1.32 | 0.95 |
| CQR1257C-181M | 180 ± 20% | 0.33 | 2 | 1.2 | 1.2 | 0.85 |
| CQR1257C-221M | 220 ± 20% | 0.39 | 1.8 | 1.1 | 1.1 | 0.78 |
| CQR1257C-271M | 270 ± 20% | 0.47 | 1.7 | 1 | 0.99 | 0.7 |
| CQR1257C-331M | 330 ± 20% | 0.57 | 1.5 | 0.9 | 0.89 | 0.64 |
| CQR1257C-391M | 390 ± 20% | 0.69 | 1.3 | 0.8 | 0.8 | 0.58 |
| CQR1257C-471M | 470 ± 20% | 0.81 | 1.2 | 0.75 | 0.74 | 0.52 |
| CQR1257C-561M | 560 ± 20% | 0.97 | 1.15 | 0.7 | 0.67 | 0.48 |
| CQR1257C-681M | 680 ± 20% | 1.2 | 1.05 | 0.65 | 0.6 | 0.42 |
| CQR1257C-821M | 820 ± 20% | 1.5 | 0.96 | 0.55 | 0.53 | 0.39 |
| CQR1257C-102M | 1000 ± 20% | 1.8 | 0.85 | 0.5 | 0.48 | 0.37 |
Current characteristic graph
Characteristics of DC Superposition
Characteristics of Temperature Rise
