Description
FIXED IND 390UH 4A 129 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for DB3-393LF.
DB3-393LF 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.
DB3-393LF is rated for 4 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
DB3-393LF lists a DC resistance of 129mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
DB3-393LF uses a package or case of Radial, Vertical Cylinder (Open). 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 | 4 A |
| DC Resistance (DCR) | 129mOhm Max |
| Saturation Current | 6.7A |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 1.100" Dia (27.94mm) |
| Case / Size | Radial, Vertical Cylinder (Open) |
| Package / Case | Radial, Vertical Cylinder (Open) |
| Supplier | Gowanda |
| Description | FIXED IND 390UH 4A 129 MOHM TH |
| Series | DB3 |
| Product Status | Active |
| Type / Construction | Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Supplier Device Package | Radial |
| Height - Seated (Max) | 0.887" (22.53mm) |
