Description
FIXED IND 220UH 640MA 650 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 4554-221J.
4554-221J has an inductance value of 220 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.
4554-221J is rated for 640 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
4554-221J lists a DC resistance of 650mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
4554-221J uses a package or case of Radial, Vertical Cylinder. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 220 µH |
| Tolerance | ±5% |
| Current Rating | 640 mA |
| DC Resistance (DCR) | 650mOhm Max |
| Operating Temperature | -40°C ~ 85°C |
| Dimensions | 0.340" Dia (8.64mm) |
| Case / Size | Radial, Vertical Cylinder |
| Package / Case | Radial, Vertical Cylinder |
| Supplier | Delevan |
| Description | FIXED IND 220UH 640MA 650 MOHM |
| Series | 4554 |
| Product Status | Obsolete |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 20 @ 796kHz |
| Self Resonant Frequency | 2.7MHz |
| Inductance Test Frequency | 796 kHz |
| Mounting Type | Through Hole |
| Height - Seated (Max) | 0.433" (11.00mm) |
| Features | https://www.digikey.com/en/products/detail/delevan/4554-221J/4199858 |