The MSD1278-123MSB is a shielded wirewound inductor from Coilcraft with a 12uH inductance and 20% tolerance. It has a maximum DC current of 3.5A and a maximum saturation current of 9.6A typ. The inductance decreases by 30% at the maximum saturation current. The inductor has a minimum self resonant frequency of 14.5MHz typ and a maximum DC resistance of 0.062 ohms. It measures 12.3mm in length, 8.05mm in height, and 12.3mm in depth. The operating temperature range is from -40C to 85C.
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| Type | Power |
| Technology | Wirewound |
| Protection Style | Shielded |
| Core Material | Ferrite |
| Inductance | 12uH |
| Tolerance | 20% |
| Inductance Test Frequency | 100KHz |
| Maximum DC Current | 3.5A |
| Maximum Saturation Current | 9.6(Typ)A |
| Inductance Decrease Percentage @ Isat | 30% |
| Max DC Resistance | 0.062Ohm |
| Minimum Self Resonant Frequency | 14.5M(Typ)Hz |
| Product Length | 12.3mm |
| Height | 8.05mm |
| Product Depth | 12.3mm |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| RoHS | No |
| RoHS Version | 2011/65/EU, 2015/863 |
