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Product Detailed Parameters
- Description：CMC 10MH 700MA 2LN TH
- Series：B82721
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：700mA
- DC Resistance (DCR) (Max)：550mOhm (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：10 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82721A2701N020 is a current-compensated ring core double choke manufactured by EPCOS (TDK Electronics). It features a ferrite core and is designed for power line applications. Key electrical parameters include a rated inductance of 6800 µH, a DC resistance of 0.28 Ω, and a rated current of 1.2 A. The component operates within a temperature range of -40 °C to +125 °C and has a rated voltage of 250 V AC.
Feature Summary
- Current-compensated ring core construction with ferrite core
- High resonance frequency due to special winding technique
- Flame-retardant case and potting per UL 94 V-0
- Approx. 1% stray inductance for symmetrical interference suppression
Applications
- Power line chokes
- EMI suppression in AC power circuits
- General purpose inductor applications
Procurement Notes
Verify the manufacturer branding as TDK Electronics or EPCOS, noting the brand transition history. Confirm the specific suffix N020 matches the required lead length and packaging format. Ensure the inductance tolerance and current rating align with the circuit design requirements before procurement.
Selection Notes
Select this component for applications requiring high inductance in a compact ring core form factor. Consider the 1.2 A rated current and 0.28 Ω DC resistance for thermal management. The wide operating temperature range supports industrial environments. Verify compatibility with 250 V AC systems.
Part Context
This part belongs to the B82721 series of current-compensated ring core double chokes. The series is widely used for EMI filtering in power lines. EPCOS components are now marketed under the TDK Electronics brand following their merger, maintaining identical technical specifications and manufacturing standards.
Replacement Considerations
Check for direct substitutes within the B82721 series with different inductance values if exact match is unavailable. Cross-reference with other manufacturers' current-compensated chokes ensuring similar inductance, current rating, and physical dimensions.
