Description
FIXED IND 47UH 4.5A 78 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 3443-40K.
3443-40K has an inductance value of 47 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.
3443-40K is rated for 4.5 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
3443-40K lists a DC resistance of 78mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
3443-40K uses a package or case of Radial. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 47 µH |
| Tolerance | ±10% |
| Current Rating | 4.5 A |
| DC Resistance (DCR) | 78mOhm Max |
| Saturation Current | 3.3A |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.872" L x 0.516" W (22.14mm x 13.10mm) |
| Case / Size | Radial |
| Package / Case | Radial |
| Supplier | Delevan |
| Description | FIXED IND 47UH 4.5A 78 MOHM TH |
| Series | 3443 |
| Product Status | Active |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Height - Seated (Max) | 0.600" (15.27mm) |
| Features | https://www.digikey.com/en/products/detail/delevan/3443-40K/636390 |
