SMD Power Inductors CER1242B
Product Info.
General Info.
Features
- Cost competitive shielded type inductor
- SMD magnetic shielded type of power inductor
- Suitable for power supply choke coil
- Construction for high current
- Operating temperature：-40℃～+125℃(The self-heating is included)
Applications
- AudioVisual TV and Monitor, Mini System, AV Amplifier, for Professionals, Camera, Recorder
- Computer & Peripheral Device Computer, Printer(MFP), Industorial Machines
- Home Electronics LED Lights
- Others Power Supply, FA, Medical, Energy, Transceivers
Electrical Characteristics
| Part Number | Inductance (µH) | DCR (Ω)±30% | DC Saturation Allowable Current (A) | Temperature Rise Allowable Current (A) | ||
|---|---|---|---|---|---|---|
| Typical | Spec | Typical | Spec | |||
| CER1242B-1R3N | 1.3 ± 30% | 0.006 | 16 | 12 | 9.9 | 6.8 |
| CER1242B-2R2N | 2.2 ± 30% | 0.008 | 12 | 9 | 8.75 | 5.95 |
| CER1242B-3R3N | 3.3 ± 30% | 0.01 | 10.4 | 7.2 | 7.75 | 5.3 |
| CER1242B-4R7N | 4.7 ± 30% | 0.012 | 8.9 | 6.6 | 7.05 | 4.85 |
| CER1242B-6R2N | 6.2 ± 30% | 0.014 | 7.8 | 5.4 | 6.5 | 4.5 |
| CER1242B-7R5N | 7.5 ± 30% | 0.016 | 7 | 4.9 | 6 | 4.2 |
| CER1242B-100M | 10 ± 20% | 0.021 | 6.25 | 4.5 | 5.2 | 3.6 |
| CER1242B-120M | 12 ± 20% | 0.026 | 5.55 | 4 | 4.6 | 3.3 |
| CER1242B-150M | 15 ± 20% | 0.029 | 5.15 | 3.6 | 4.35 | 3.1 |
| CER1242B-180M | 18 ± 20% | 0.038 | 4.45 | 3.1 | 3.75 | 2.7 |
| CER1242B-220M | 22 ± 20% | 0.045 | 4.15 | 2.8 | 3.4 | 2.5 |
| CER1242B-270M | 27 ± 20% | 0.056 | 3.65 | 2.55 | 3.05 | 2.2 |
| CER1242B-330M | 33 ± 20% | 0.065 | 3.5 | 2.25 | 2.85 | 1.95 |
| CER1242B-390M | 39 ± 20% | 0.084 | 3.1 | 2.1 | 2.45 | 1.75 |
| CER1242B-470M | 47 ± 20% | 0.095 | 2.6 | 1.82 | 2.3 | 1.65 |
| CER1242B-560M | 56 ± 20% | 0.12 | 2.45 | 1.75 | 2.05 | 1.44 |
| CER1242B-680M | 68 ± 20% | 0.14 | 2.3 | 1.65 | 1.85 | 1.35 |
| CER1242B-820M | 82 ± 20% | 0.16 | 2.05 | 1.48 | 1.7 | 1.23 |
| CER1242B-101M | 100 ± 20% | 0.2 | 1.8 | 1.33 | 1.55 | 1.15 |
| CER1242B-121M | 120 ± 20% | 0.23 | 1.7 | 1.24 | 1.4 | 1.02 |
| CER1242B-151M | 150 ± 20% | 0.29 | 1.5 | 1.05 | 1.25 | 0.92 |
| CER1242B-181M | 180 ± 20% | 0.35 | 1.35 | 0.98 | 1.15 | 0.82 |
| CER1242B-221M | 220 ± 20% | 0.45 | 1.2 | 0.93 | 1 | 0.73 |
| CER1242B-271M | 270 ± 20% | 0.55 | 1.1 | 0.82 | 0.91 | 0.66 |
| CER1242B-331M | 330 ± 20% | 0.67 | 1 | 0.7 | 0.81 | 0.59 |
| CER1242B-391M | 390 ± 20% | 0.82 | 0.92 | 0.65 | 0.74 | 0.52 |
| CER1242B-471M | 470 ± 20% | 0.92 | 0.83 | 0.58 | 0.69 | 0.48 |
| CER1242B-561M | 560 ± 20% | 1.1 | 0.76 | 0.54 | 0.63 | 0.45 |
| CER1242B-681M | 680 ± 20% | 1.37 | 0.69 | 0.51 | 0.56 | 0.4 |
| CER1242B-821M | 820 ± 20% | 1.67 | 0.64 | 0.45 | 0.5 | 0.36 |
| CER1242B-102M | 1000 ± 20% | 1.87 | 0.58 | 0.43 | 0.47 | 0.34 |
- Inductance Measuring Condition:100kHz,1V
- DC saturation allowable current:The current value which inductance decrease within 30% from the initial value
- Temperature rise allowable current:The rise in temperature of core surface is within 40℃
Current characteristic graph
Characteristics of DC Superposition
Characteristics of Temperature Rise
