Chokes for Power Lines B82720-A Current-Compensated Ring Core Double Chokes B82720-K Rated voltage 250 Vac Rated current 0,3 to 2,0 A Rated inductance 1,1 to 12 mH Construction ■ Current-compensated ring core double choke with ferrite core ■ Polycarbonate case ■ Polyurethane potting ■ Sector winding Features ■ Vertical and horizontal versions ■ Case and potting flame-retardant as per UL 94 V-0 ■ Approx. 0,8 % stray inductance for symmetrical interference suppression Applications ■ Compact and narrow electronic ballasts in lamps (T2 lamps) ■ Compact, modular and desktop power supplies ■ Automation, compact power supplies up to 2 A Terminals ■ Pins 0,5 × 0,5 mm ■ Pins fitting standard PCB grid Marking Manufacturer, ordering code, rated current, rated voltage, rated inductance, graphic symbol, date of manufacture 344 04/00 Chokes for Power Lines B82720-A Current-Compensated Ring Core Double Chokes B82720-K Dimensional drawing and pin configuration Horizontal version (B82720-A) Vertical version (B82720-K) 13±0,3 2±0,2 10±0,4 7,5±0,2 9,5 _ 0,4 ø0,6 10±0,4 9,6 max. + + 4 14,2 max. 3 4 3 + 2 1 1 14,2 max. 10±0,2 2 + 7,6 _ 0,3 _ 0,5 3 +0,2 4 3 SSB1444-2 5 1,5 2 3,5 _ 0,5 1 14±0,3 SSB1258-U 0,5x0,5 SSB1378-F General technical data Test voltage VT 1500 Vac, 2 s (line/line) Rated current IR Referred to 50 Hz and 40 °C ambient temperature Inductance tolerance − 30/+ 50 % Weight Approx. 2,5 g For further technical data see page 334 Characteristics and ordering codes IR A LR mH LS, typ µH Rtyp mΩ Ordering code horizontal version vertical version 0,3 0,6 1,0 2,0 12 4,4 3,0 1,1 90 32 24 7 1150 430 230 70 B82720-A2301-N40 B82720-A2601-N40 B82720-A2102-N40 B82720-A2202-N40 B82720-K2301-N40 B82720-K2601-N40 B82720-K2102-N40 B82720-K2202-N40 345 04/00 Chokes for Power Lines B82720-A Current-Compensated Ring Core Double Chokes B82720-K Impedance |Z | versus frequency f (measured with windings in parallel) SSB1377-7 10 6 Ω Z 10 5 10 4 10 3 - +2301-N40 - +2601-N40 - +2102-N40 - +2202-N40 10 2 10 1 4 10 10 5 10 6 Hz 10 7 f 346 04/00