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Product Detailed Parameters
- Description：CMC 47MH 300MA 2LN TH
- Series：B82722
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.5Ohm (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：0.917" L x 0.634" W (23.30mm x 16.10mm)
- Height (Max)：1.000" (25.40mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：47 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82722J2301N001 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features a ferrite core and a rectangular construction with four radial leads. The component has a nominal inductance of 47,000 µH (47 mH) and a maximum DC resistance of 2.5 Ω. It operates within a temperature range of -40 °C to +125 °C. Physical dimensions include a length of 23.3 mm, width of 16.1 mm, and height of 25.4 mm.
Feature Summary
- Current-compensated design for power line applications
- Ferrite core construction for general purpose use
- Radial leaded termination style
Applications
- Power line filtering
- EMI suppression in AC circuits
- General purpose inductor applications
Procurement Notes
Verify the specific part number against official TDK-Electronics documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with required operating temperatures and mounting configurations. Check for RoHS compliance status as indicated in the latest datasheet revisions. Confirm lead availability and package orientation before integration into designs.
Selection Notes
Select this component for applications requiring high inductance values in a through-hole format. Consider the 2.5 Ω DC resistance when calculating voltage drops. Verify that the 47 mH inductance meets circuit requirements at the operating frequency. Ensure the physical footprint fits the PCB layout constraints.
Part Context
This component belongs to the B82722 series of power line chokes from EPCOS. These devices are designed for common mode noise suppression in AC power lines. The series offers various inductance ratings and current capabilities to suit different filtering needs in consumer and industrial electronics.
Replacement Considerations
Check for equivalent parts in the B82722 series with similar inductance and current ratings. Verify pinout compatibility and physical dimensions before substitution. Consult official cross-reference lists for confirmed alternatives.
