Description
FIXED IND 39UH 150MA 4.5 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTMC1812SF-390J.
CTMC1812SF-390J has an inductance value of 39 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-390J is rated for 150 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTMC1812SF-390J lists a DC resistance of 4.5Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTMC1812SF-390J 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 | 39 µH |
| Tolerance | ±5% |
| Current Rating | 150 mA |
| DC Resistance (DCR) | 4.5Ohm 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 39UH 150MA 4.5 OHM SMD |
| Series | CTMC1812SF |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 50 @ 2.52MHz |
| Self Resonant Frequency | 11MHz |
| Ratings | - |
| Inductance Test Frequency | 2.52 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.134 (3.40mm) |
| Features | - |
