Chokes for Data and Signal Lines B82720-H15 Double Chokes Rated voltage 42 Vac/80 Vdc Rated current 0,2 to 0,7 A Rated inductance 4,7 to 68 mH Construction ■ Current-compensated ring core double choke with ferrite core ■ Plastic case Features ■ Case flame-retardant as per UL 94 V-0 ■ Suitable for automatic insertion Applications ■ Telecom switching systems ■ Terminal systems ■ Measuring and control lines Terminals ■ Pins fitting standard PCB grid Marking Ordering code, rated inductance, manufacturer, date of manufacture (month, year) Dimensional drawing 13±0,3 7,62 9,5 _ 0,4 10,16 7,6 _ 0,3 5±0,2 1,5 3,5 _ 0,5 14±0,3 Marking Beschriftung 0,5 Lötspitze SSB1408-6 291 04/00 Chokes for Data and Signal Lines B82720-H15 Double Chokes Preliminary data General technical data Rated voltage VR 42 Vac (50/60 Hz); 80 Vdc Rated current IR Referred to 50 Hz and 60 °C ambient temperature Rated inductance LR Measured with HP 4275A at 10 kHz and 0,1 mA (specified per winding) Inductance tolerance – 30 %/+ 50 % Inductance decrease ∆L/L0 < 10 % at dc magnetic bias with IR Stray inductance LS Measured at 10 kHz and 5 mA DC resistance Rtyp Typical values, measured at 20 °C ambient temperature Climatic category 40/125/56 (– 40 °C/+ 125 °C/56 days damp heat test) in accordance with IEC 60068-1 Weight Approx. 2 g Characteristics and ordering codes LR mH LS, typ µH IR mA Rtyp Ω VT Vdc, 2 s Ordering code 4,7 10 28 47 68 0,9 1,2 1,8 2,0 3,0 700 600 400 300 200 0,5 0,7 1,2 2,7 3,3 750 750 750 750 750 B82720-H15-A16 B82720-H15-A25 B82720-H15-A28 B82720-H15-A30 B82720-H15-A35 Impedance |Z | versus frequency f SSB1411-Q 10 5 |Z | Ω 10 4 B82720-H15-A35 B82720-H15-A30 B82720-H15-A28 B82720-H15-A25 B82720-H15-A16 10 3 10 2 1 10 292 04/00 10 2 10 3 10 4 kHz f