Description
FIXED IND 1.8UH 544MA 700 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SM3-181K.
SM3-181K has an inductance value of 1.8 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.
SM3-181K is rated for 544 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SM3-181K lists a DC resistance of 700mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SM3-181K 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 | 1.8 µH |
| Tolerance | ±10% |
| Current Rating | 544 mA |
| DC Resistance (DCR) | 700mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.126" L x 0.098" W (3.20mm x 2.49mm) |
| Case / Size | 1210 (3225 Metric) |
| Package / Case | 1210 (3225 Metric) |
| Supplier | Gowanda |
| Description | FIXED IND 1.8UH 544MA 700 MOHM |
| Series | SM3 |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron Powder |
| Shielding | Unshielded |
| Self Resonant Frequency | 70MHz |
| Inductance Test Frequency | 4 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1210 |
| Height - Seated (Max) | 0.102" (2.60mm) |
