Description
FIXED IND 4.7UH 620MA 400 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 77F4R7K-TR-RC.
77F4R7K-TR-RC has an inductance value of 4.7 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.
77F4R7K-TR-RC is rated for 620 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
77F4R7K-TR-RC lists a DC resistance of 400mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
77F4R7K-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 | 4.7 µH |
| Tolerance | ±10% |
| Current Rating | 620 mA |
| DC Resistance (DCR) | 400mOhm 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 4.7UH 620MA 400 MOHM |
| Series | 77F |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 70 @ 7.96MHz |
| Self Resonant Frequency | 80MHz |
| Inductance Test Frequency | 7.96 MHz |
| Mounting Type | Through Hole |
