High Reliability SMD Inductors CER1257C
AEC-Q200
Mag 
Product Info.
General Info.
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
- Others Power Supply, FA, Medical, Energy
Electrical Characteristics
| Part Number | Inductance(µH) | DCR(Ω) ±30% | DC Saturation Allowable Current (A) | Temperature Rise Allowable Current (A) |
|---|---|---|---|---|
| CER1257C-2R2N | 2.2 ± 30% | 0.006 | 17.1 | 9.9 |
| CER1257C-3R3N | 3.3 ± 30% | 0.008 | 13.1 | 8.95 |
| CER1257C-4R3N | 4.3 ± 30% | 0.009 | 11.7 | 8.15 |
| CER1257C-5R6N | 5.6 ± 30% | 0.011 | 10.5 | 7.5 |
| CER1257C-7R5N | 7.5 ± 30% | 0.012 | 8.85 | 7 |
| CER1257C-100M | 10 ± 20% | 0.017 | 8.1 | 5.8 |
| CER1257C-120M | 12 ± 20% | 0.022 | 7.25 | 5.15 |
| CER1257C-150M | 15 ± 20% | 0.026 | 6.25 | 4.6 |
| CER1257C-180M | 18 ± 20% | 0.029 | 5.7 | 4.4 |
| CER1257C-220M | 22 ± 20% | 0.033 | 5.5 | 4.1 |
| CER1257C-270M | 27 ± 20% | 0.043 | 4.75 | 3.55 |
| CER1257C-330M | 33 ± 20% | 0.053 | 4 | 3.15 |
| CER1257C-390M | 39 ± 20% | 0.056 | 3.75 | 3.05 |
| CER1257C-470M | 47 ± 20% | 0.069 | 3.45 | 2.75 |
| CER1257C-560M | 56 ± 20% | 0.081 | 3.2 | 2.5 |
| CER1257C-680M | 68 ± 20% | 0.096 | 2.9 | 2.3 |
| CER1257C-820M | 82 ± 20% | 0.13 | 2.6 | 1.95 |
| CER1257C-101M | 100 ± 20% | 0.14 | 2.35 | 1.85 |
| CER1257C-121M | 120 ± 20% | 0.18 | 2.15 | 1.65 |
| CER1257C-151M | 150 ± 20% | 0.23 | 1.9 | 1.45 |
| CER1257C-181M | 180 ± 20% | 0.26 | 1.75 | 1.3 |
| CER1257C-221M | 220 ± 20% | 0.32 | 1.55 | 1.2 |
| CER1257C-271M | 270 ± 20% | 0.38 | 1.4 | 1.1 |
| CER1257C-331M | 330 ± 20% | 0.47 | 1.25 | 0.99 |
| CER1257C-391M | 390 ± 20% | 0.54 | 1.15 | 0.92 |
| CER1257C-471M | 470 ± 20% | 0.66 | 1.05 | 0.83 |
| CER1257C-561M | 560 ± 20% | 0.79 | 1 | 0.75 |
| CER1257C-681M | 680 ± 20% | 0.95 | 0.9 | 0.68 |
| CER1257C-821M | 820 ± 20% | 1.15 | 0.79 | 0.61 |
| CER1257C-102M | 1000 ± 20% | 1.42 | 0.73 | 0.55 |
- Inductance Measuring Condition:100kHz,1V
- DC saturation allowable current:The current value which inductance decrease 30% from the initial value
- Temperature rise allowable current:The rise in temperature of core surface is 40℃
Current characteristic graph
Characteristics of DC Superposition
Characteristics of Temperature Rise
