Description
FIXED IND 470NH 1A 200 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 4445R-21J.
4445R-21J has an inductance value of 470 nH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
4445R-21J 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.
4445R-21J lists a DC resistance of 200mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
4445R-21J 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 | 470 nH |
| Tolerance | ±5% |
| Current Rating | 1 A |
| DC Resistance (DCR) | 200mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.210" L x 0.110" W (5.33mm x 2.79mm) |
| Case / Size | Radial, Vertical |
| Package / Case | Radial, Vertical |
| Supplier | Delevan |
| Description | FIXED IND 470NH 1A 200 MOHM TH |
| Series | 4445R |
| Product Status | Obsolete |
| Type / Construction | Toroidal |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 80 @ 50MHz |
| Self Resonant Frequency | 220MHz |
| Inductance Test Frequency | 50 MHz |
| Mounting Type | Through Hole |
| Height - Seated (Max) | 0.230" (5.84mm) |
| Features | https://www.digikey.com/en/products/detail/delevan/4445R-21J/4193243 |