Description
FIXED IND 3.9UH 850MA 310 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for B78148S1392K000.
B78148S1392K000 has an inductance value of 3.9 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.
B78148S1392K000 is rated for 850 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
B78148S1392K000 lists a DC resistance of 310mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
B78148S1392K000 uses a package or case of Radial. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 3.9 µH |
| Tolerance | ±10% |
| Current Rating | 850 mA |
| DC Resistance (DCR) | 310mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.157" Dia x 0.362" L (4.00mm x 9.20mm) |
| Case / Size | Radial |
| Package / Case | Radial |
| Supplier | TDK |
| Description | FIXED IND 3.9UH 850MA 310 MOHM |
| Series | BC |
| Product Status | Last Time Buy |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 60 @ 7.96MHz |
| Self Resonant Frequency | 105MHz |
| Inductance Test Frequency | 7.96 MHz |
| Mounting Type | Through Hole |
