Description
FIXED IND 8.2UH 520MA 440 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for ER1840-28JR.
ER1840-28JR has an inductance value of 8.2 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.
ER1840-28JR is rated for 520 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
ER1840-28JR lists a DC resistance of 440mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
ER1840-28JR 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 | 8.2 µH |
| Tolerance | ±5% |
| Current Rating | 520 mA |
| DC Resistance (DCR) | 440mOhm Max |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.187" Dia x 0.437" L (4.75mm x 11.10mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Delevan |
| Description | FIXED IND 8.2UH 520MA 440 MOHM |
| Series | ER1840 |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron |
| Shielding | Unshielded |
| Q @ Frequency | 30 @ 7.9MHz |
| Self Resonant Frequency | 48MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/ER1840-28JR/4196911 |