Description
FIXED IND 390UH 133MA 7.5 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 77F391J-TR-RC.
77F391J-TR-RC 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.
77F391J-TR-RC is rated for 133 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
77F391J-TR-RC lists a DC resistance of 7.5Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
77F391J-TR-RC 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 | ±5% |
| Current Rating | 133 mA |
| DC Resistance (DCR) | 7.5Ohm Max |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Bourns Inc. |
| Description | FIXED IND 390UH 133MA 7.5 OHM TH |
| Series | 77F |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 55 @ 796kHz |
| Self Resonant Frequency | 2MHz |
| Inductance Test Frequency | 796 kHz |
| Mounting Type | Through Hole |
