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Product Detailed Parameters
- Description：CMC 330UH 2.6A 2LN TH
- Series：B82730
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.6A
- DC Resistance (DCR) (Max)：60mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：UR, VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.650" L x 0.433" W (16.50mm x 11.00mm)
- Height (Max)：0.650" (16.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：330 µH @ 100 kHz
- Impedance @ Frequency：-
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Overview
The B82730U3262A020 is a current-compensated U-core double choke from the EPCOS B82730U series. It features a rated voltage of 300 V AC and supports rated currents ranging from 0.4 A to 2.6 A. The specific inductance for this model is 1 mH, with a maximum DC resistance of 160 mOhms. Designed for through-hole mounting, it operates within a temperature range of -40°C to +125°C. The component utilizes ferrite core material and is unshielded, suitable for power line filtering applications.
Feature Summary
- Current-compensated design utilizing U-core geometry for effective noise suppression
- Capable of handling high differential mode currents while attenuating common mode interference
- Constructed with ferrite core material for stable magnetic performance across wide temperature ranges
Applications
- Power line filtering in industrial electronic equipment
- EMI suppression in single-phase AC power input stages
- Noise reduction in consumer appliance power supplies
Procurement Notes
Verify the exact part number suffix against official TDK/EPCOS documentation to ensure correct inductance and current ratings. Confirm that the vertical mounting style matches the target PCB layout requirements. Check for RoHS compliance status as specified in the latest datasheet revision. Ensure the operating temperature range meets the environmental conditions of the final assembly.
Selection Notes
Select this component when a current-compensated choke is required for differential mode noise attenuation in power lines. The 1 mH inductance value should be matched to the specific filter frequency requirements of the application. Consider the 160 mOhm DC resistance for power loss calculations in the circuit design. Verify that the 300 V AC rating exceeds the maximum line voltage present in the system.
Part Context
This component belongs to the B82730U series of power line chokes manufactured by EPCOS (TDK). The series is characterized by its U-core construction and current-compensated operation, designed primarily for suppressing electromagnetic interference in AC power lines. These components are widely used in global electronics manufacturing for meeting regulatory emission standards.
Replacement Considerations
Direct substitutes must match the 1 mH inductance, 160 mOhm DCR, and 300 V AC rating. Verify mechanical compatibility, specifically the vertical through-hole package dimensions and pin spacing. Ensure the replacement component maintains the same current compensation characteristics and temperature stability.
