Description
FIXED IND 7.5UH 420MA 550 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 511R-42F.
511R-42F has an inductance value of 7.5 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.
511R-42F is rated for 420 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
511R-42F lists a DC resistance of 550mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
511R-42F 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 | 7.5 µH |
| Tolerance | ±1% |
| Current Rating | 420 mA |
| DC Resistance (DCR) | 550mOhm Max |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.156" Dia x 0.375" L (3.96mm x 9.53mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Delevan |
| Description | FIXED IND 7.5UH 420MA 550 MOHM |
| Series | 511R |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 50 @ 7.9MHz |
| Self Resonant Frequency | 55MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/511R-42F/4201286 |
