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Product Detailed Parameters
- Description：CMC 3A 2LN TH
- Series：TF
- Mfr：TDK Corporation
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：60mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-20°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.142" L x 1.024" W (29.00mm x 26.00mm)
- Height (Max)：0.472" (12.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：-
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The TF1028S-451Y3R0-01 is a cylindrical battery-style common mode choke coil manufactured by TDK Corporation. Designed for AC power supply line filtering, this component features two lines of protection with an impedance characteristic defined by its model designation. It operates within a temperature range of -20°C to +120°C and supports a DC voltage rating of 280V. The unit provides high insulation resistance of 100MΩ and withstands voltages up to 2kV, ensuring reliable performance in demanding electronic environments.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Features cylindrical battery-style construction for compact integration
- Ensures high dielectric strength with 2kV withstand voltage capability
- Maintains stable operation across extended industrial temperature ranges
Applications
- AC power supply input filtering
- EMI suppression in consumer electronics
- Industrial equipment power line protection
Procurement Notes
Verify the complete part number including suffixes against official TDK documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status and specific packaging requirements prior to ordering. Cross-reference datasheet revisions to validate electrical parameters such as insulation resistance and operating temperature limits for your specific application needs.
Selection Notes
Select this component when space-constrained designs require cylindrical form factors for power line filtering. Ensure the 280V DC rating and 2kV withstand voltage exceed system transient requirements. Verify that the thermal characteristics support the intended ambient operating conditions without derating issues.
Part Context
This component belongs to the TF1028S series of toroidal common mode chokes designed for through-hole mounting. The series offers various impedance levels tailored for different noise frequencies. These filters are engineered to meet stringent safety standards for mains-connected equipment, providing essential electromagnetic interference reduction.
Replacement Considerations
Consult official TDK substitution guides for compatible alternatives. Verify pin compatibility and physical dimensions before replacing. Ensure equivalent electrical specifications including impedance curves and saturation current capabilities match the original design requirements.
