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Product Detailed Parameters
- Description：CMC 680UH 850MA 2LN TH
- Series：UU
- Mfr：Sumida America Components Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：850mA
- DC Resistance (DCR) (Max)：250mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.650" L x 0.610" W (16.50mm x 15.50mm)
- Height (Max)：0.492" (12.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：680 µH @ 1 kHz
- Impedance @ Frequency：-
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Overview
The UU9LFHNP-HB681 is a two-line common mode choke manufactured by Sumida America Components Inc. It features a ferrite core and through-hole mounting style. The component provides an inductance of 680 µH at a test frequency of 1 kHz. It supports a maximum current rating of 850 mA with a maximum DC resistance of 250 mOhm.
Feature Summary
- Two-line configuration for common mode noise suppression
- Through-hole mounting for robust mechanical attachment
- Ferrite core construction for effective magnetic performance
Applications
- AC power line filtering
- Common mode noise suppression in electronic circuits
- Signal integrity protection in dual-line interfaces
Procurement Notes
Verify the specific package dimensions and pin configuration against the official datasheet before integration. Confirm that the 850 mA current rating meets the operational requirements of the target circuit. Ensure compatibility with the assembly process for through-hole components.
Selection Notes
Select this component when a two-line common mode choke with through-hole termination is required. The 680 µH inductance value is suitable for standard EMI filtering applications. Verify that the physical size fits the available board space and that the thermal characteristics are adequate for the operating environment.
Part Context
This part belongs to the UU9LFHNP series of common mode chokes from Sumida. It is designed for general-purpose noise suppression in AC and signal lines. The series offers various inductance values and current ratings to suit different filtering needs.
Replacement Considerations
Check for direct substitutes within the UU9LFHNP series or other Sumida common mode choke families. Ensure any replacement matches the 680 µH inductance, 850 mA current rating, and through-hole footprint.
FAQ
What is the test frequency for the inductance specification?
The inductance of 680 µH is specified at a test frequency of 1 kHz.
What is the maximum DC resistance of this component?
The maximum DC resistance is 250 mOhm.
