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Product Detailed Parameters
- Description：CMC 3.3MH 2.2A 2LN TH
- Series：B82732
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.2A
- DC Resistance (DCR) (Max)：110mOhm (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：0.945" L x 0.906" W (24.00mm x 23.00mm)
- Height (Max)：0.681" (17.30mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：3.3 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82732W2222B030 is a current-compensated D core double choke manufactured by EPCOS (TDK Electronics). It features a ferrite core with radial leads and operates within a temperature range of -40 °C to 125 °C. The component has a nominal inductance of 3.3 mH per winding, a maximum rated current of 2.2 A, and a DC resistance of 0.13 Ω. It is designed for filter choke applications and complies with RoHS standards.
Feature Summary
- Current-compensated D core construction for electromagnetic interference suppression
- Radial leaded package suitable for through-hole mounting
- High thermal stability operating up to 125 °C
Applications
- Electromagnetic compatibility (EMC) filtering
- Power supply input stages
- General purpose inductor circuits
Procurement Notes
Verify the specific ordering code against official TDK/EPCOS documentation to ensure correct inductance and current ratings. Confirm that the radial leaded package matches the target PCB layout requirements. Check for RoHS compliance status if restricted substances are a constraint for the final assembly process.
Selection Notes
Select this component when a compact, current-compensated choke is required for common-mode noise reduction. Ensure the circuit current does not exceed the 2.2 A rating to prevent saturation or overheating. Verify that the 3.3 mH inductance value aligns with the intended filter frequency response specifications.
Part Context
This part belongs to the B82732W series of D core double chokes from EPCOS/TDK. These components are engineered for high performance in space-constrained environments. The series utilizes ferrite cores to provide effective magnetic shielding and stable inductance characteristics across varying temperature conditions.
Replacement Considerations
Consult official substitution lists for equivalent current-compensated D core chokes with matching 3.3 mH inductance and 2.2 A current ratings. Verify pinout compatibility and physical dimensions before integrating alternative parts into existing designs.
