Description
FIXED IND 220UH 490MA 2.1 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTFCF-221K.
CTFCF-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.
CTFCF-221K is rated for 490 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTFCF-221K lists a DC resistance of 2.1Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTFCF-221K 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 | ±10% |
| Current Rating | 490 mA |
| DC Resistance (DCR) | 2.1Ohm Max |
| Saturation Current | - |
| Operating Temperature | -20°C ~ 100°C |
| Dimensions | 1.500 Dia (38.10mm) |
| Case / Size | Radial, Vertical Cylinder |
| Package / Case | Radial, Vertical Cylinder |
| Supplier | Central Technologies |
| Description | FIXED IND 220UH 490MA 2.1 OHM TH |
| Series | CTFCF |
| Product Status | Active |
| Type / Construction | Wirewound |
| Core Material | - |
| Shielding | Unshielded |
| Q @ Frequency | 50 @ 790kHz |
| Self Resonant Frequency | - |
| Ratings | - |
| Inductance Test Frequency | 790 kHz |
| Mounting Type | Through Hole |
| Supplier Device Package | Radial |
| Height - Seated (Max) | 1.031 (26.20mm) |
| Features | - |
