Description
FIXED IND 3.3UH 393MA 1.2 OHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SMRF1210-331K.
SMRF1210-331K has an inductance value of 3.3 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.
SMRF1210-331K is rated for 393 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SMRF1210-331K lists a DC resistance of 1.2Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SMRF1210-331K uses a package or case of 1210 (3225 Metric). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 3.3 µH |
| Tolerance | ±10% |
| Current Rating | 393 mA |
| DC Resistance (DCR) | 1.2Ohm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.130" L x 0.095" W (3.30mm x 2.42mm) |
| Case / Size | 1210 (3225 Metric) |
| Package / Case | 1210 (3225 Metric) |
| Supplier | Gowanda |
| Description | FIXED IND 3.3UH 393MA 1.2 OHM |
| Series | SMRF1210S |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 30 @ 7.9MHz |
| Self Resonant Frequency | 58MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1210 |
| Height - Seated (Max) | 0.106" (2.70mm) |
