Description
FIXED IND 1.2UH 720MA 400 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SM3-121K.
SM3-121K has an inductance value of 1.2 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.
SM3-121K is rated for 720 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SM3-121K lists a DC resistance of 400mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SM3-121K 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 | 1.2 µH |
| Tolerance | ±10% |
| Current Rating | 720 mA |
| DC Resistance (DCR) | 400mOhm 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 1.2UH 720MA 400 MOHM |
| Series | SM3 |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron Powder |
| Shielding | Unshielded |
| Self Resonant Frequency | 90MHz |
| Inductance Test Frequency | 4 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1210 |
| Height - Seated (Max) | 0.102" (2.60mm) |
