Description
FIXED IND 390UH 280MA 4.9 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CAL45TB391K.
CAL45TB391K 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.
CAL45TB391K is rated for 280 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CAL45TB391K lists a DC resistance of 4.9Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CAL45TB391K uses a package or case of Axial. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 390 µH |
| Tolerance | ±10% |
| Current Rating | 280 mA |
| DC Resistance (DCR) | 4.9Ohm Max |
| Saturation Current | 290mA |
| Operating Temperature | -25°C ~ 105°C |
| Dimensions | 0.173" Dia x 0.315" L (4.40mm x 8.00mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Taiyo Yuden |
| Description | FIXED IND 390UH 280MA 4.9 OHM TH |
| Series | CA, L Type |
| Product Status | Obsolete |
| Type / Construction | Wirewound |
| Shielding | Unshielded |
| Inductance Test Frequency | 796 kHz |
| Mounting Type | Through Hole |
