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Product Detailed Parameters
- Description：CMC 6.8MH 4A 2LN TH
- Series：B82725
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：75mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：ENEC, UR, VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.591" L x 0.846" W (40.40mm x 21.50mm)
- Height (Max)：1.575" (40.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：6.8 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82725J2402N020 is a current-compensated ring core double choke designed for power line applications. It provides common-mode noise suppression with an inductance of 6.8 mH and a rated current of 4 A. The component features a horizontal through-hole mounting style with four pins. Key electrical specifications include a DC resistance of 31 mOhm and a maximum operating voltage of 250 V AC. It operates within a temperature range of -40°C to 125°C.
Feature Summary
- Current-compensated ring core design for effective common-mode noise suppression
- Horizontal through-hole mounting configuration for robust mechanical stability
- Dual-line filtering capability for power line applications
Applications
- Power line filtering in industrial electronics
- Common-mode noise suppression in consumer data processing equipment
- EMI reduction in automotive electronic systems
Procurement Notes
Verify the manufacturer designation, as TDK Electronics has discontinued the EPCOS brand for passive components. Confirm that the part number suffix corresponds to the specific packaging and pin configuration required for your assembly process. Ensure compatibility with the 250 V AC rating and 4 A current limit for your specific circuit design before procurement.
Selection Notes
Select this component when high common-mode rejection is required for power lines carrying up to 4 A. The horizontal form factor suits applications where vertical height is constrained but board space allows for larger footprint chokes. Compare against the B82725A series for similar performance characteristics if alternative sourcing is needed.
Part Context
This component belongs to the B82725 series of power line chokes from EPCOS (now TDK). These chokes are engineered for current compensation, minimizing differential mode inductance while maximizing common-mode impedance. The series is widely used in environments requiring reliable EMI filtering for AC power inputs.
Replacement Considerations
The B82725A2802N20 is a documented substitute within the same family, offering comparable current-compensated ring core technology. Verify pin compatibility and inductance tolerance differences when substituting.
