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Product Detailed Parameters
- Description：CMC 400UH 2.6A 2LN TH
- Series：B82721
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.6A
- DC Resistance (DCR) (Max)：55mOhm (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：0.705" L x 0.681" W (17.90mm x 17.30mm)
- Height (Max)：0.496" (12.60mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：400 µH @ 100 kHz
- Impedance @ Frequency：-
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Overview
The B82721A2262N001 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features a ferrite core and radial termination style. The component has an inductance of 400 µH with a tolerance of 30%. It supports a maximum DC current of 2.6 A and exhibits a maximum DC resistance of 0.1 Ohms. The device operates within a temperature range of -40 °C to +125 °C. Its physical dimensions are 18.2 mm in length, 13.2 mm in width, and 20.3 mm in height.
Feature Summary
- Current-compensated design for symmetrical interference suppression
- High resonance frequency achieved through special winding technique
- Flame-retardant case and potting compliant with UL 94 V-0 standards
Applications
- Power line filtering
- EMI suppression in electronic circuits
- Common mode noise reduction
Procurement Notes
Verify the specific suffix N001 against official TDK/EPCOS documentation to confirm lead-free status and RoHS compliance details. Ensure the radial termination style matches the target PCB layout requirements. Cross-reference the 400 µH inductance value with circuit specifications to prevent performance mismatches during procurement.
Selection Notes
Select this component when high common-mode rejection is required for power lines up to 250 V AC. The 2.6 A current rating suits applications requiring moderate current handling with significant noise attenuation. Consider the radial package constraints and operating temperature range relative to the final assembly environment.
Part Context
This part belongs to the B82721 series of current-compensated ring core double chokes. The series utilizes ferrite cores and polyurethane potting within polycarbonate cases. These components are designed for general-purpose power line chokes, offering low stray inductance and high reliability for industrial and consumer electronics.
Replacement Considerations
Consult official substitution lists for equivalent inductance and current ratings. Verify that any alternative maintains the same radial termination and flame-retardant casing specifications.
