Description
FIXED IND 390UH 80MA 18 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTMC1812SF-391J.
CTMC1812SF-391J has an inductance value of 390 µH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
CTMC1812SF-391J is rated for 80 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTMC1812SF-391J lists a DC resistance of 18Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTMC1812SF-391J uses a package or case of 1812 (4532 Metric). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 390 µH |
| Tolerance | ±5% |
| Current Rating | 80 mA |
| DC Resistance (DCR) | 18Ohm Max |
| Saturation Current | - |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.177 L x 0.126 W (4.50mm x 3.20mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Central Technologies |
| Description | FIXED IND 390UH 80MA 18 OHM SMD |
| Series | CTMC1812SF |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 40 @ 796kHz |
| Self Resonant Frequency | 3.5MHz |
| Ratings | - |
| Inductance Test Frequency | 796 kHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.134 (3.40mm) |
| Features | - |
