Description
FIXED IND 220UH 251MA 3.5 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTS4F-221K.
CTS4F-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.
CTS4F-221K is rated for 251 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTS4F-221K lists a DC resistance of 3.5Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTS4F-221K 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 | 220 µH |
| Tolerance | ±10% |
| Current Rating | 251 mA |
| DC Resistance (DCR) | 3.5Ohm Max |
| Saturation Current | 80mA |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.160 Dia x 0.449 L (4.06mm x 11.40mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Central Technologies |
| Description | FIXED IND 220UH 251MA 3.5 OHM TH |
| Series | CTS4F |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | - |
| Shielding | Shielded |
| Q @ Frequency | 65 @ 790kHz |
| Self Resonant Frequency | 9.4MHz |
| Ratings | - |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Supplier Device Package | Axial |
| Height - Seated (Max) | - |
| Features | - |
