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Product Detailed Parameters
- Description：CMC 600UH 2.5A 2LN TH
- Series：B82721A
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.5A
- DC Resistance (DCR) (Max)：60mOhm
- 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：0.705" L x 0.681" W (17.90mm x 17.30mm)
- Height (Max)：0.496" (12.60mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：600 µH @ 100 kHz
- Impedance @ Frequency：-
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Overview
The B82721A2252N020 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features a ferrite core and is designed for power line applications. The component has an inductance of 600 µH, a rated current of 2.5 A, and operates within a temperature range of -40 to +125°C. It is constructed with a polycarbonate case and polyurethane potting, ensuring flame retardancy per UL 94 V-0 standards.
Feature Summary
- Current-compensated ring core double choke design for symmetrical interference suppression
- High resonance frequency achieved through special sector winding technique
- Flame-retardant construction using polycarbonate case and polyurethane potting
Applications
- Power line common mode filtering
- Switching power supplies
- Electronic ballasts for lighting
Procurement Notes
Verify the specific suffix N020 against official TDK/EPCOS documentation to confirm the exact inductance tolerance and current rating specifications. Ensure the ordering part number matches the required package dimensions and terminal configuration for your PCB layout. Cross-reference the datasheet revision date to ensure compliance with current environmental regulations.
Selection Notes
Select this component when high resonance frequency and low stray inductance are critical for effective common mode noise suppression. The current-compensated design minimizes magnetic field leakage, making it suitable for compact power supply designs where electromagnetic compatibility is a priority. Verify thermal performance requirements against the specified operating temperature range.
Part Context
This component belongs to the B82721 series of current-compensated ring core double chokes from EPCOS. These components are engineered specifically for power line applications requiring robust interference suppression. The series utilizes ferrite cores and specialized winding techniques to achieve high performance in a compact form factor suitable for modern electronic equipment.
Replacement Considerations
Consult official TDK/EPCOS substitution guides for verified alternatives within the B82721 series or compatible product lines. Ensure any substitute maintains identical electrical characteristics, including inductance, rated current, and physical dimensions, to guarantee proper fit and function in the existing circuit design.
