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Product Detailed Parameters
- Description：CMC 400UH 3.6A 2LN TH
- Series：B82721
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3.6A
- DC Resistance (DCR) (Max)：35mOhm (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：0.705" L x 0.681" W (17.90mm x 17.30mm)
- Height (Max)：0.496" (12.60mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：400 µH @ 100 kHz
- Impedance @ Frequency：-
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Overview
The B82721A2362N001 is a current-compensated ring core double choke from the EPCOS (TDK Electronics) power line choke series. It features a rated AC voltage of 250 V and a maximum current rating of 3.6 A. The component has a typical DC resistance of 35 mOhm and operates within a temperature range defined by its industrial specifications. Physically, it measures 17.90 mm in length, 17.30 mm in width, and 12.60 mm in height. Designed for through-hole mounting with four PC pins, it holds ENEC, UR, and VDE approvals.
Feature Summary
- Current-compensated design utilizing a ring core structure to minimize electromagnetic interference.
Applications
- Power line filtering in industrial electronic equipment.
Procurement Notes
Verify the specific manufacturer source, as EPCOS branding was transitioned to TDK Electronics globally in 2018. Confirm that the part number corresponds to the active inventory under the new corporate identity. Ensure that any documentation references the correct technical specifications for the B82721A series, noting that product portfolios remain consistent despite the organizational name changes across different regional subsidiaries.
Selection Notes
Select this component for applications requiring through-hole mounting of current-compensated chokes on power lines. The 250 V AC rating and 3.6 A current capacity define its operational limits. Consider the physical dimensions of 17.90 x 17.30 x 12.60 mm for PCB layout constraints. Verify that the required inductance and DC resistance values align with the circuit's noise suppression requirements before finalizing the design.
Part Context
This component belongs to the B82721A series of power line chokes manufactured by EPCOS, now operating under TDK Electronics. The series covers rated currents from 0.3 A to 6 A and inductances from 0.2 mH to 47 mH. These components are engineered for robust performance in demanding environments, offering certified safety approvals for global deployment in industrial and commercial power supply systems.
Replacement Considerations
Consult official TDK Electronics catalogs for direct substitutes within the B82721A family or compatible current-compensated choke series. Verify pin compatibility and electrical ratings before considering alternatives from other manufacturers.
