Description
FIXED IND 3.9UH 310MA 520 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SMRF1512S-391KS.
SMRF1512S-391KS has an inductance value of 3.9 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.
SMRF1512S-391KS is rated for 310 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SMRF1512S-391KS lists a DC resistance of 520mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SMRF1512S-391KS 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 µH |
| Tolerance | ±10% |
| Current Rating | 310 mA |
| DC Resistance (DCR) | 520mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.155" L x 0.125" W (3.94mm x 3.18mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Gowanda |
| Description | FIXED IND 3.9UH 310MA 520 MOHM |
| Series | SMRF1512S |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 105 @ 7.9MHz |
| Self Resonant Frequency | 64MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.140" (3.56mm) |
