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The UU9LFHNP-HB103 is a two-line common mode choke manufactured by Sumida America Components Inc. It features an inductance of 10 mH measured at 1 kHz and supports a maximum DC current of 200 mA. The component has a minimum DC resistance of 4 Ohms. Designed for through-hole mounting, it serves as a power line filter to suppress electromagnetic interference.
Verify the manufacturer designation carefully, as sources list both Sumida Corporation and Sumida America Components Inc. Confirm the specific suffix HB103 matches the required 10 mH inductance and 200 mA rating. Ensure the through-hole package style aligns with the target PCB layout requirements before finalizing procurement.
Select this component when a 10 mH inductance value is required for common mode noise reduction on AC lines. The 200 mA current rating dictates suitability for low-power applications. Verify that the 4 Ohm DC resistance does not introduce excessive voltage drop in the specific circuit design compared to lower resistance alternatives.
This part belongs to the UU9LFHNP series of common mode chokes from Sumida. The series includes variants with different inductance values and current ratings, such as the UU9LFNP-B102 and UU9LFNP-B103. The UU9LFHNP-HB103 specifically denotes a through-hole version with distinct electrical characteristics within this product family.
Direct substitutes include other Sumida UU9LFHNP series components with matching 10 mH inductance and 200 mA current ratings. Cross-brand replacements must match the 10 mH inductance, 200 mA saturation/current limit, and through-hole footprint dimensions.