Description
FIXED IND 3.9MH 42MA 40 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SDR0503-392JL.
SDR0503-392JL has an inductance value of 3.9 mH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
SDR0503-392JL is rated for 42 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SDR0503-392JL lists a DC resistance of 40Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SDR0503-392JL 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 | 3.9 mH |
| Tolerance | ±5% |
| Current Rating | 42 mA |
| DC Resistance (DCR) | 40Ohm Max |
| Saturation Current | 60mA |
| 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 3.9MH 42MA 40 OHM SMD |
| Series | SDR0503 |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 40 @ 252kHz |
| Self Resonant Frequency | 2MHz |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.130" (3.30mm) |
