Description
FIXED IND 470UH 122MA 17 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SMRF1812S-473K.
SMRF1812S-473K has an inductance value of 470 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-473K is rated for 122 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SMRF1812S-473K lists a DC resistance of 17Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SMRF1812S-473K 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 | 470 µH |
| Tolerance | ±10% |
| Current Rating | 122 mA |
| DC Resistance (DCR) | 17Ohm Max |
| Saturation Current | 48mA |
| 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 470UH 122MA 17 OHM SMD |
| Series | SMRF1812S |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 40 @ 790kHz |
| Self Resonant Frequency | 3.3MHz |
| Inductance Test Frequency | 790 kHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.138" (3.50mm) |
