
Description
FIXED IND 220UH 110MA 4 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTLQ1812CF-221K.
CTLQ1812CF-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.
CTLQ1812CF-221K is rated for 110 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTLQ1812CF-221K lists a DC resistance of 4Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTLQ1812CF-221K uses a package or case of 1812 (4532 Metric). 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 | 110 mA |
| DC Resistance (DCR) | 4Ohm Max |
| Saturation Current | - |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.177 L x 0.126 W (4.50mm x 3.20mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Central Technologies |
| Description | FIXED IND 220UH 110MA 4 OHM SMD |
| Series | CTLQ1812CF |
| Product Status | Active |
| Type / Construction | Wirewound |
| Core Material | - |
| Shielding | Unshielded |
| Q @ Frequency | - |
| Self Resonant Frequency | 4.5MHz |
| Ratings | - |
| Inductance Test Frequency | 1 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.110 (2.80mm) |
| Features | - |
