Description
FIXED IND 3.9UH 4A 7 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CTH8F-3R9K.
CTH8F-3R9K has an inductance value of 3.9 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.
CTH8F-3R9K is rated for 4 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CTH8F-3R9K lists a DC resistance of 7mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CTH8F-3R9K 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 | 3.9 µH |
| Tolerance | ±10% |
| Current Rating | 4 A |
| DC Resistance (DCR) | 7mOhm Max |
| Saturation Current | 15.5A |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.469 Dia x 0.921 L (11.90mm x 23.40mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Central Technologies |
| Description | FIXED IND 3.9UH 4A 7 MOHM TH |
| Series | CTH8F |
| Product Status | Active |
| Type / Construction | - |
| Core Material | - |
| Shielding | Unshielded |
| Q @ Frequency | - |
| Self Resonant Frequency | 34MHz |
| Ratings | - |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Supplier Device Package | Axial |
| Height - Seated (Max) | - |
| Features | - |
