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Product Detailed Parameters
- Description：CMC 27MH 1.4A 2LN TH
- Series：B82733
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.4A
- DC Resistance (DCR) (Max)：440mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：ENEC, UR, VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.043" L x 0.976" W (26.50mm x 24.80mm)
- Height (Max)：0.551" (14.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：27 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82733F2142B001 is a current-compensated frame core double choke manufactured by EPCOS (TDK). It is designed for power line applications with a rated voltage of 250 V AC and a rated current range of 0.7 to 2.3 A at +40 °C. The specific inductance value for this model is 27 mH. The component features a closed magnetic circuit constructed from ferrite and utilizes a PET coil former rated UL94 V-0. It employs a 4-section winding directly on the core, ensuring clearance and creepage distances greater than 3 mm.
Feature Summary
- Current-compensated frame core design providing a closed magnetic circuit
- Construction utilizing ferrite material with a UL94 V-0 rated PET coil former
- Direct 4-section winding technique applied to the core structure
Applications
- Power line filtering in electronic equipment
- EMI suppression in devices operating at 250 V AC
- Common mode noise reduction in dual-line circuits
Procurement Notes
Verify the exact part number suffix against official TDK/EPCOS documentation to confirm specific inductance tolerances and packaging details. Ensure the application environment remains within the specified temperature limits of +40 °C for rated current operation. Confirm compliance requirements such as RoHS status and safety certifications like UL or VDE are met for the target market.
Selection Notes
Select this component when a current-compensated choke is required for differential mode noise suppression in power lines. The 27 mH inductance suits applications needing significant impedance at common mode frequencies while maintaining low DC resistance. Consider the physical dimensions and through-hole mounting style during PCB layout planning.
Part Context
This component belongs to the B82733F series of power line chokes from EPCOS, now part of TDK Electronics. The series is characterized by its frame core construction, which offers high efficiency and compact size. These chokes are widely used in industrial and consumer electronics to meet electromagnetic compatibility standards.
Replacement Considerations
Publicly confirmed substitute part numbers for B82733F2142B001 were not found in the provided source data. Verify electrical parameters such as inductance, current rating, and physical footprint before considering alternative manufacturers.
