Description
FIXED IND 220UH 720MA 1.15 OHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SDR1045-221K.
SDR1045-221K 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.
SDR1045-221K is rated for 720 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SDR1045-221K lists a DC resistance of 1.15Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SDR1045-221K uses a package or case of Nonstandard. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 220 µH |
| Tolerance | ±10% |
| Current Rating | 720 mA |
| DC Resistance (DCR) | 1.15Ohm Max |
| Saturation Current | 850mA |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.394" L x 0.394" W (10.00mm x 10.00mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Bourns Inc. |
| Description | FIXED IND 220UH 720MA 1.15 OHM |
| Series | SDR1045 |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 15 @ 796kHz |
| Self Resonant Frequency | 6.4MHz |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.189" (4.80mm) |
