Description
FIXED IND 390NH 575MA 300 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTMC1812SF-R39K.
CTMC1812SF-R39K has an inductance value of 390 nH. 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-R39K is rated for 575 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTMC1812SF-R39K lists a DC resistance of 300mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTMC1812SF-R39K 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 nH |
| Tolerance | ±10% |
| Current Rating | 575 mA |
| DC Resistance (DCR) | 300mOhm 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 390NH 575MA 300 MOHM |
| Series | CTMC1812SF |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 40 @ 25.2MHz |
| Self Resonant Frequency | 390MHz |
| Ratings | - |
| Inductance Test Frequency | 25.2 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.134 (3.40mm) |
| Features | - |
