Description
FIXED IND 47UH 620MA 1.3 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 4470R-21J.
4470R-21J has an inductance value of 47 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.
4470R-21J 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.
4470R-21J lists a DC resistance of 1.3Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
4470R-21J 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 | 47 µH |
| Tolerance | ±5% |
| Current Rating | 620 mA |
| DC Resistance (DCR) | 1.3Ohm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.310" Dia x 0.910" L (7.87mm x 23.11mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Delevan |
| Description | FIXED IND 47UH 620MA 1.3 OHM TH |
| Series | 4470R |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 75 @ 2.5MHz |
| Self Resonant Frequency | 20MHz |
| Inductance Test Frequency | 2.5 MHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/4470R-21J/4193511 |