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Product Detailed Parameters
- Description：CMC 27MH 1A 2LN CHASSIS MOUNT
- Series：B82504
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：5.25Ohm (Typ)
- Voltage Rating - DC：600V
- Voltage Rating - AC：500V
- Operating Temperature：-
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Chassis Mount
- Size / Dimension：3.071" L x 1.102" W (78.00mm x 28.00mm)
- Height (Max)：1.457" (37.00mm)
- Package / Case：-
- Inductance @ Frequency：27 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82504WA1 is a power line choke from the EPCOS B82504W series, designed for chassis mounting. It features an I-core construction with a rectangular plastic case and resin potting. The component provides a nominal inductance of 27 mH at 10 kHz and supports a maximum current of 1 A. It has a typical DC resistance of 5.25 Ohms and is rated for 600 V DC or 500 V AC. The unit measures 78.0 mm in length, 28.0 mm in width, and up to 37.00 mm in height, operating within a temperature range of -40°C to 125°C.
Feature Summary
- I-core choke design with rectangular plastic housing and resin potting for durability
- Two-line configuration suitable for common mode noise suppression on power lines
- Chassis mounting style for secure installation in industrial equipment
Applications
- Power line filtering in industrial machinery
- EMI suppression in AC/DC power supply inputs
- Noise reduction in electronic control units
Procurement Notes
Verify the specific suffix 'A1' against the official B82504W series datasheet to confirm exact electrical tolerances and pinout configurations. Confirm RoHS compliance status as some legacy variants may differ. Check product lifecycle status, as this part is listed as obsolete by several distributors, requiring careful evaluation of long-term availability and potential obsolescence risks for new designs.
Selection Notes
Select this component when a high-inductance value of 27 mH is required for effective low-frequency noise attenuation. Ensure the application environment accommodates the 1 A current rating and 5.25 Ohm DC resistance without excessive voltage drop. Verify that chassis mounting space allows for the specified dimensions of 78.0 x 28.0 x 37.0 mm. Consider thermal management capabilities within the -40°C to 125°C operating range.
Part Context
This component belongs to the EPCOS B82504W series of I-core chokes, manufactured by TDK Electronics (formerly EPCOS). The series covers a range of inductance values and current ratings for power line applications. These chokes are characterized by their robust resin-potted construction and standardized chassis mounting footprint, making them suitable for demanding industrial environments where reliability and noise immunity are critical.
Replacement Considerations
Consult the official B82504W series documentation for direct cross-references. No public substitute part numbers are confirmed in the provided source material.
