Description
FIXED IND 820UH 43MA 23 OHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 78F821J.
78F821J 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.
78F821J is rated for 43 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
78F821J lists a DC resistance of 23Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
78F821J 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 | 820 µH |
| Tolerance | ±5% |
| Current Rating | 43 mA |
| DC Resistance (DCR) | 23Ohm Max |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.110" Dia x 0.280" L (2.79mm x 7.11mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Bourns Inc. |
| Description | FIXED IND 820UH 43MA 23 OHM TH |
| Series | 78F |
| Product Status | Obsolete |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 60 @ 790kHz |
| Self Resonant Frequency | 1.5MHz |
| Inductance Test Frequency | 790 kHz |
| Mounting Type | Through Hole |
