Chokes for Data and Signal Lines B82791-G14 Quad Chokes Rated voltage 42 Vac/80 Vdc Rated current 0,1 A Rated inductance 0,2 to 6 mH Construction ■ Current-compensated ring core quad choke with ferrite core ■ Plastic case Features ■ Suitable for automatic insertion ■ Case flame-retardant as per UL 94 V-0 Applications ■ Suppression of asymmetrical interference coupled in on data lines, already effective at 10 kHz, e.g. in – telephone lines (analog, ISDN) – interfaces with balanced-to-ground data transmission Terminals ■ Pins fitting standard PCB grid Marking Ordering code, rated inductance, manufacturer, date of manufacture (month, year) 2,8+0,5 8 max. 15±0,2 7,5±0,2 17,7 max. ø0,6 Maßbild 10±0,2 15±0,2 17,7 max. SSB1552-Y 300 04/00 Chokes for Data and Signal Lines B82791-G14 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 L ≤ 1 mH = 100 kHz, 0,1 mA; L > 1 mH = 10 kHz, 0,1 mA (specified per winding) Inductance tolerance ± 30 % Inductance decrease ∆L/L0 < 10 % at dc magnetic bias with IR Stray inductance LS Measured at L ≤ 1 mH = 100 kHz, 5 mA; L > 1 mH = 10 kHz, 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. 4 g Characteristics and ordering codes LR mH LS, typ µH IR mA Rtyp Ω VT Vdc, 2 s Ordering code 6 4,7 0,2 3 2,5 1,5 100 100 100 0,92 0,90 0,18 750 750 750 B82791-G14-A12 B82791-G14-A16 B82791-G14-A17 Impedance |Z | versus frequency f 301 04/00