Description
FIXED IND 39UH 155MA 7.4 OHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SMRF1812T-392JLF.
SMRF1812T-392JLF has an inductance value of 39 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.
SMRF1812T-392JLF is rated for 155 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SMRF1812T-392JLF lists a DC resistance of 7.4Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SMRF1812T-392JLF 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 | 39 µH |
| Tolerance | ±5% |
| Current Rating | 155 mA |
| DC Resistance (DCR) | 7.4Ohm Max |
| 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 39UH 155MA 7.4 OHM SMD |
| Series | SMRF1812T |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron Powder |
| Shielding | Unshielded |
| Q @ Frequency | 30 @ 2.5MHz |
| Self Resonant Frequency | 12MHz |
| Inductance Test Frequency | 2.5 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.138" (3.50mm) |
