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The HA65A-25154R7LF is a surface mount power inductor from the HA65A series, manufactured by TT Electronics/BI Magnetics. It features an unshielded wirewound construction with a nominal inductance of 4.7 µH and a tolerance of ±10%. The component has a maximum DC resistance (DCR) of 2.6 mΩ and a saturation current rating of 61 A. It is designed for high-current applications requiring robust thermal performance.
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix matches the required electrical parameters. Check for end-of-life status as the HA65A series has been discontinued due to material discontinuance. Ensure storage conditions comply with manufacturer guidelines to prevent degradation before assembly.
Select this component when high saturation current and low DCR are critical for efficiency. Consider the unshielded nature regarding electromagnetic interference (EMI) requirements. Evaluate footprint compatibility with PCB layout constraints. Compare against alternative series if the HA65A is no longer available, ensuring similar current ratings and inductance values.
The HA65A series represents a line of surface mount power inductors designed for demanding power management applications. This specific model, HA65A-25154R7LF, falls within the range of fixed inductors offering high current handling. The series is characterized by its wirewound technology and unshielded form factor, prioritizing current capacity over magnetic shielding.
The HA65A series has been officially discontinued. No direct substitute part numbers are confirmed in public documentation. Designers must evaluate alternative high-current SMD inductors from other manufacturers or different product lines that meet the 4.7 µH, 61 A, and 2.6 mΩ specifications.