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Product Detailed Parameters
- Description：CMC 300MA 2LN TH
- Series：UF
- Mfr：TDK Corporation
- Package：Bulk
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.5Ohm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-20°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.689" L x 0.610" W (17.50mm x 15.50mm)
- Height (Max)：0.492" (12.50mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：-
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The UF1717HB-702Y0R3-01 is a two-line common mode choke manufactured by TDK Corporation, designed for through-hole mounting. It features a rated current of 300mA and a DC resistance (DCR) of 2.5 Ohms. The component has a maximum DC voltage rating of 50V and physical dimensions of 17.50mm in length and 15.50mm in width. This filter is engineered to suppress electromagnetic interference in compact electronic circuits.
Feature Summary
- Provides effective suppression of common mode noise for two-line signal or power paths
- Designed for reliable through-hole integration into printed circuit boards
- Constructed with a compact footprint suitable for space-constrained applications
Applications
- Power supply input filtering
- Battery charger circuits
- Portable electronic devices
- Energy-efficient system interfaces
Procurement Notes
Verify the exact part number suffix carefully, as variations exist within the UF series. Confirm that the specific HB variant matches your design requirements regarding current handling and impedance characteristics. Check for official substitution recommendations from TDK, as this specific model may be obsolete or discontinued depending on the region and distributor.
Selection Notes
Select this component when a low-profile, through-hole common mode choke is required for 300mA applications. Ensure the 2.5 Ohm DCR aligns with your circuit's power loss constraints. Verify that the 50V DC rating exceeds your operating voltage. Consider the physical size of 17.50mm x 15.50mm for board layout compatibility.
Part Context
This component belongs to TDK's UF series of common mode chokes, which are widely used for EMI suppression. The UF series offers various configurations for different current ratings and mounting styles. The UF1717HB variant specifically denotes a through-hole package with defined dimensional constraints for standard PCB assembly processes.
Replacement Considerations
Official substitutes include the UF1717H-702Y0R3-01. Verify compatibility before replacement, as differences in housing or terminal configuration may exist. Consult TDK documentation for cross-reference details.
