2 01/17
Please read Cautions and warnings and
Important notes at the end of this document.
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
■ Ferrite core with epoxy coating (UL 94 V-0)
■ Plastic case (UL 94 V-0)
1)
■ 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
■ UL
2)
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
B82720K
B82720A/KPower line chokes
Current-compensated ring core double chokes
