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Product Detailed Parameters
- Description：CMC 27MH 500MA 2LN TH
- Series：B82722
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：1.2Ohm (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：27 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82722J2501N001 is a current-compensated ring core double choke manufactured by EPCOS (TDK). It features a ferrite core and rectangular construction with four radial terminals. The nominal inductance is 27,000 µH (27 mH) with a maximum DC resistance of 1.2 Ω. Rated for 250 V AC, it supports currents from 0.3 A to 3 A across the series. Operating temperature ranges from -40 °C to +125 °C. Dimensions are 23.3 mm length, 16.1 mm width, and 13.3 mm height.
Feature Summary
- Current-compensated design minimizes magnetic field interference
- Ferrite ring core structure for stable inductance performance
- RoHS compliant general purpose power inductor
Applications
- Power line filtering
- EMI suppression in AC mains circuits
- General purpose power inductor applications
Procurement Notes
Verify the specific suffix against the official TDK-Electronics datasheet to confirm exact electrical tolerances and packaging details. Ensure the application voltage does not exceed the rated 250 V AC limit. Confirm thermal management requirements for operation near the upper temperature boundary of 125 °C. Cross-reference terminal spacing and mounting dimensions with PCB layout specifications prior to procurement.
Selection Notes
Select this component for applications requiring common-mode noise reduction in single-phase AC lines. The current-compensated architecture is suitable where low electromagnetic interference emission is critical. Evaluate the 1.2 Ω DC resistance impact on circuit efficiency. Consider the physical footprint constraints given the rectangular ring core housing dimensions.
Part Context
This component belongs to the B82722 series of power line chokes designed for AC mains filtering. The series offers various inductance values ranging from 1.2 mH to 68 mH. These chokes utilize a toroidal ferrite core wound with two coils carrying equal currents in opposite directions to cancel magnetic flux.
Replacement Considerations
Check equivalent part numbers within the B82722A/J series for identical inductance and current ratings. Verify mechanical compatibility with existing mounting holes and terminal configurations before substitution.
