Power line chokes
Current-compensated ring core double chokes
250 V AC, 1.1 22 mH, 0.3 2 A, +40 C
Series/Type: B82720A/K
Date: January 2017
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EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS prior express consent is prohibited.
EPCOS AG is a TDK Group Company. Power line chokes B82720A/K
Current-compensated ring core double chokes
Rated voltage 250 V AC
Rated inductance 1.1 ... 22 mH
Rated current 0.3 ... 2 A / +40 C
Construction
Current-compensated ring core double choke
B82720A
Ferrite core with epoxy coating (UL 94 V-0)
1)
Plastic case (UL 94 V-0)
Potting (UL 94 V-0)
Sector winding
Features
High resonance frequency due to special winding technique
Approx. 0.7% stray inductance for symmetrical interference suppression
Suitable for wave soldering
Design complies with EN 60938-2 (VDE 0565-2) and UL 1283
B82720K
2)
UL and/or ENEC (VDE) approvals
RoHS-compatible
Applications
Suppression of common-mode interferences
Compact electronic ballasts in lamps
Compact switch-mode power applications
Terminals
Base material CuNi18Zn20
Layer composition Ni, Sn
Hot-dipped
Pins 0.5 u 0.5 (mm) or 0.6 mm
Pins in lead spacing 10 u 7.5 (mm) or 10 u 10 (mm)
Marking
Product brand, ordering code, rated inductance, rated current,
graphic symbol, rated voltage, date of manufacture (YYWWD)
Delivery mode
Cardboard box
1) Additionally certified values:
Glow wire flammability index (GWFI to IEC 60695-2-12): +850 C
Glow wire ignition temperature (GWIT to IEC 60695-2-13): +775 C
Comparative tracking index (CTI to IEC 60112): 175 V
Ball pressure test (BP to IEC 60695-10-2): +125 C
2) UL approval with 300 V AC
Please read Cautions and warnings and
2 01/17
Important notes at the end of this document.