Description
FIXED IND 470UH 128MA 10.9 OHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 1945R-31F.
1945R-31F has an inductance value of 470 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.
1945R-31F is rated for 128 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
1945R-31F lists a DC resistance of 10.9Ohm. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
1945R-31F 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 | 470 µH |
| Tolerance | ±1% |
| Current Rating | 128 mA |
| DC Resistance (DCR) | 10.9Ohm |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.193" Dia x 0.447" L (4.90mm x 11.35mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Delevan |
| Description | FIXED IND 470UH 128MA 10.9 OHM |
| Series | 1945R |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 65 @ 790kHz |
| Self Resonant Frequency | 3.2MHz |
| Inductance Test Frequency | 790 kHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/1945R-31F/4180709 |