Description
FIXED IND 3.9UH 870MA 155 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 18M391K.
18M391K has an inductance value of 3.9 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.
18M391K is rated for 870 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
18M391K lists a DC resistance of 155mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
18M391K 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 | 3.9 µH |
| Tolerance | ±10% |
| Current Rating | 870 mA |
| DC Resistance (DCR) | 155mOhm Max |
| Saturation Current | - |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.188" Dia x 0.438" L (4.78mm x 11.13mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Gowanda |
| Description | FIXED IND 3.9UH 870MA 155 MOHM |
| Series | 18M |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron Powder |
| Shielding | Unshielded |
| Q @ Frequency | 30 @ 7.9MHz |
| Self Resonant Frequency | 65MHz |
| Ratings | - |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Through Hole |
| Supplier Device Package | Axial |
| Height - Seated (Max) | - |
| Features | - |
