Description
FIXED IND 4.7UH 1A 280 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 1945R-04H.
1945R-04H 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.
1945R-04H is rated for 1 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
1945R-04H lists a DC resistance of 280mOhm. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
1945R-04H 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 | 4.7 µH |
| Tolerance | ±3% |
| Current Rating | 1 A |
| DC Resistance (DCR) | 280mOhm |
| 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 4.7UH 1A 280 MOHM TH |
| Series | 1945R |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 70 @ 7.9MHz |
| Self Resonant Frequency | 72MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/1945R-04H/4180594 |