Description
FIXED IND 1.8MH 665MA 1.5 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 4590-185K.
4590-185K has an inductance value of 1.8 mH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
4590-185K is rated for 665 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
4590-185K lists a DC resistance of 1.5Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
4590-185K 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 | 1.8 mH |
| Tolerance | ±10% |
| Current Rating | 665 mA |
| DC Resistance (DCR) | 1.5Ohm Max |
| Saturation Current | 420mA |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.455" Dia x 0.900" L (11.55mm x 22.86mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Delevan |
| Description | FIXED IND 1.8MH 665MA 1.5 OHM TH |
| Series | 4590 |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/4590-185K/302435 |