Description
FIXED IND 4.7UH 330MA 1.8 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 2020R-40H.
2020R-40H has an inductance value of 4.7 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.
2020R-40H is rated for 330 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
2020R-40H lists a DC resistance of 1.8Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
2020R-40H uses a package or case of Radial, Vertical. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 4.7 µH |
| Tolerance | ±3% |
| Current Rating | 330 mA |
| DC Resistance (DCR) | 1.8Ohm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.200" L x 0.100" W (5.08mm x 2.54mm) |
| Case / Size | Radial, Vertical |
| Package / Case | Radial, Vertical |
| Supplier | Delevan |
| Description | FIXED IND 4.7UH 330MA 1.8 OHM TH |
| Series | 2020R |
| Product Status | Active |
| Type / Construction | Toroidal |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 60 @ 7.9MHz |
| Self Resonant Frequency | 50MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Through Hole |
| Height - Seated (Max) | 0.230" (5.84mm) |
| Features | https://www.digikey.com/en/products/detail/delevan/2020R-40H/4180882 |