Description
FIXED IND 680UH 45MA 18 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 78F681J.
78F681J has an inductance value of 680 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.
78F681J is rated for 45 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
78F681J lists a DC resistance of 18Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
78F681J 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 | 680 µH |
| Tolerance | ±5% |
| Current Rating | 45 mA |
| DC Resistance (DCR) | 18Ohm Max |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.110" Dia x 0.280" L (2.79mm x 7.11mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Bourns Inc. |
| Description | FIXED IND 680UH 45MA 18 OHM TH |
| Series | 78F |
| Product Status | Obsolete |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 60 @ 790kHz |
| Self Resonant Frequency | 2MHz |
| Inductance Test Frequency | 790 kHz |
| Mounting Type | Through Hole |
