Description
FIXED IND 3.9UH 2.3A 72 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CAL45TB3R9K.
CAL45TB3R9K 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.
CAL45TB3R9K is rated for 2.3 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CAL45TB3R9K lists a DC resistance of 72mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CAL45TB3R9K 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 | 2.3 A |
| DC Resistance (DCR) | 72mOhm Max |
| Saturation Current | 3A |
| Operating Temperature | -25°C ~ 105°C |
| Dimensions | 0.173" Dia x 0.315" L (4.40mm x 8.00mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Taiyo Yuden |
| Description | FIXED IND 3.9UH 2.3A 72 MOHM TH |
| Series | CA, L Type |
| Product Status | Obsolete |
| Type / Construction | Wirewound |
| Shielding | Unshielded |
| Inductance Test Frequency | 7.96 MHz |
| Mounting Type | Through Hole |
