Description
FIXED IND 820UH 510MA 1.7 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 7447720821.
7447720821 has an inductance value of 820 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.
7447720821 is rated for 510 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
7447720821 lists a DC resistance of 1.7Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
7447720821 uses a package or case of Radial, Vertical Cylinder. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 820 µH |
| Tolerance | ±10% |
| Current Rating | 510 mA |
| DC Resistance (DCR) | 1.7Ohm Max |
| Saturation Current | 550mA |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.307" Dia (7.80mm) |
| Case / Size | Radial, Vertical Cylinder |
| Package / Case | Radial, Vertical Cylinder |
| Supplier | Würth Elektronik |
| Description | FIXED IND 820UH 510MA 1.7 OHM TH |
| Series | WE-TI |
| Product Status | Active |
| Type / Construction | Wirewound |
| Core Material | Nickel Zinc Ferrite (NiZn) |
| Shielding | Unshielded |
| Self Resonant Frequency | 2MHz |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Through Hole |
| Supplier Device Package | Radial |
| Height - Seated (Max) | 0.394" (10.00mm) |
