Description
FIXED IND 390UH 190MA 3.7 OHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SDR0503-391KL.
SDR0503-391KL has an inductance value of 390 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.
SDR0503-391KL is rated for 190 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SDR0503-391KL lists a DC resistance of 3.7Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SDR0503-391KL uses a package or case of Nonstandard. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 390 µH |
| Tolerance | ±10% |
| Current Rating | 190 mA |
| DC Resistance (DCR) | 3.7Ohm Max |
| Saturation Current | 240mA |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.197" L x 0.189" W (5.00mm x 4.80mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Bourns Inc. |
| Description | FIXED IND 390UH 190MA 3.7 OHM |
| Series | SDR0503 |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 30 @ 796kHz |
| Self Resonant Frequency | 5MHz |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.130" (3.30mm) |
