Chokes for Data and Signal Lines B82720-H14 Quad Chokes Rated voltage 42 Vac/80 Vdc Rated current 0,2 to 0,3 A Rated inductance 4,7 to 10 mH Construction ■ Current-compensated ring core quad 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 10,16 7,62 9,5 _ 0,4 5,08 7,6 _ 0,3 5±0,2 1,5 3,5 _ 0,5 14±0,3 Marking Beschriftung 0,5 Lötspitze (2,54) SSB1409-E 298 04/00 Chokes for Data and Signal Lines B82720-H14 Quad Chokes 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 0,9 1,1 300 200 0,9 1,3 750 750 B82720-H14-A16 B82720-H14-A25 SSB1410-H 10 5 Impedance |Z | versus frequency f |Z | Ω 10 4 10 3 10 2 1 10 299 04/00 B82720-H14-A25 B82720-H14-A16 10 2 10 3 10 4 kHz f