Description
FIXED IND 22UH 250MA 3.2 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SMRF1812-222J.
SMRF1812-222J has an inductance value of 22 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.
SMRF1812-222J is rated for 250 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SMRF1812-222J lists a DC resistance of 3.2Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SMRF1812-222J 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 | 22 µH |
| Tolerance | ±5% |
| Current Rating | 250 mA |
| DC Resistance (DCR) | 3.2Ohm Max |
| Saturation Current | - |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.175" L x 0.126" W (4.45mm x 3.20mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Gowanda |
| Description | FIXED IND 22UH 250MA 3.2 OHM SMD |
| Series | SMRF1812 |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 50 @ 2.5MHz |
| Self Resonant Frequency | 13MHz |
| Ratings | - |
| Inductance Test Frequency | 2.5 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.138" (3.50mm) |
| Features | - |
