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Product Detailed Parameters
- Description：CMC 6.8MH 250MA 2LN TH
- Series：UU
- Mfr：Sumida America Components Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：250mA
- DC Resistance (DCR) (Max)：2.5Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.650" L x 0.433" W (16.50mm x 11.00mm)
- Height (Max)：0.650" (16.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：6.8 mH @ 1 kHz
- Impedance @ Frequency：-
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Overview
The UU9LFNP-B682 is a two-line common mode choke manufactured by Sumida America Components Inc. It features an inductance of 6.8 mH measured at 1 kHz and supports a maximum DC current of 250 mA. The component has a maximum DC resistance (DCR) of 2.5 Ohms. Designed for through-hole mounting, it operates within a temperature range of -40°C to +85°C.
Feature Summary
- Provides effective common mode noise suppression for dual-line circuits
- Supports through-hole PCB integration for robust mechanical attachment
- Maintains stable electrical performance across extended industrial temperature ranges
Applications
- Power line filtering in electronic equipment
- Noise suppression in AC/DC power supply inputs
- EMI reduction in consumer electronics signal lines
Procurement Notes
Verify the specific suffix against official Sumida documentation to confirm exact electrical tolerances and pin configurations. Ensure the procurement channel provides valid RoHS compliance certificates. Cross-reference the manufacturer part number with distributor listings to confirm availability and authenticity before finalizing orders.
Selection Notes
Select this component when a 6.8 mH inductance value is required for common mode noise attenuation. Verify that the 250 mA current rating meets the circuit's operational requirements. Confirm that the through-hole package dimensions fit the designated PCB footprint and that the 2.5 Ohm DCR aligns with system loss constraints.
Part Context
This component belongs to the UU9LFNP series of common mode chokes from Sumida. The series offers various inductance values tailored for different noise suppression needs. The B682 variant specifically targets applications requiring higher inductance compared to lower-value counterparts in the same family.
Replacement Considerations
Direct substitutes include other Sumida UU9LFNP variants with similar inductance and current ratings. Verify pin compatibility and physical dimensions before replacing. Consult Sumida datasheets for equivalent parts within the same product line.
