Description
FIXED IND 47UH 277MA 2.6 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SMRF1812S-472K.
SMRF1812S-472K has an inductance value of 47 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.
SMRF1812S-472K is rated for 277 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SMRF1812S-472K lists a DC resistance of 2.6Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SMRF1812S-472K uses a package or case of 1812 (4532 Metric). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 47 µH |
| Tolerance | ±10% |
| Current Rating | 277 mA |
| DC Resistance (DCR) | 2.6Ohm Max |
| Saturation Current | 159mA |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.177" L x 0.126" W (4.50mm x 3.20mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Gowanda |
| Description | FIXED IND 47UH 277MA 2.6 OHM SMD |
| Series | SMRF1812S |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 50 @ 2.5MHz |
| Self Resonant Frequency | 9MHz |
| Ratings | - |
| Inductance Test Frequency | 2.5 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.138" (3.50mm) |
| Features | - |
