Description
FIXED IND 20UH 290MA 960 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for ER1641-203JM.
ER1641-203JM has an inductance value of 20 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.
ER1641-203JM is rated for 290 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
ER1641-203JM lists a DC resistance of 960mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
ER1641-203JM 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 | 20 µH |
| Tolerance | ±5% |
| Current Rating | 290 mA |
| DC Resistance (DCR) | 960mOhm Max |
| Operating Temperature | -55°C ~ 105°C |
| Dimensions | 0.162" Dia x 0.410" L (4.11mm x 10.41mm) |
| Case / Size | Axial |
| Package / Case | Axial |
| Supplier | Delevan |
| Description | FIXED IND 20UH 290MA 960 MOHM TH |
| Series | ER1641 |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 45 @ 2.5MHz |
| Self Resonant Frequency | 41MHz |
| Inductance Test Frequency | 2.5 MHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/ER1641-203JM/4203749 |