B82719C2

Data Line Chokes for ISDN S0 Interface Construction ■ Current-compensated ring core quad choke with ferrite core ■ Bifilar winding B82719C2... Features ■ Case flame-retardant as per UL 94 V-0 ■ Pins fitting standard PCB grid Applications Suppression of asymmetrical interference coupled in on lines, whereas data signals up to some MHz can pass unaffectedly Marking Manufacturer, ordering code, date of manufacture (coded) Dimensional drawing 7,5±0,2 2,5±0,2 1 4 1 2 3 4 8 5 6,8 max. 5±0,2 9,2 max. 4,5±0,1 8 7 4 5 5±0,1 6,2 max. 7,5±0,1 10±0,15 2,8+0,5 0,5 SSB1994-Y 1,5±0,1 62 04/02 Data Line Chokes for ISDN S0 Interface General technical data Rated voltage V R Rated current IR Rated inductance L R 42 Vac (50/60 Hz) 80 Vdc B82719C2... Referred to 50 Hz and 40 °C ambient temperature Measured with HP 4275A at L ≤ 1 mH = 100 kHz, 50 mV L > 1 mH = 10 kHz, 50 mV (specified per winding) Inductance tolerance Inductance decrease ∆L /L0 Stray inductance LS DC resistance R typ Climatic category Weight –30/+50 % < 10 % at dc magnetic bias with IR Measured with HP 4275A at 100 kHz and 250 mV Typical values, measured at 20 °C ambient temperature 40/125/56 (–40 °C/+125 °C/56 days damp heat test) acc. to IEC 60068-1 Approx. 1,5 g Characteristics and ordering codes LR mH 0,47 1,0 4,7 LS, typ µH 0,2 0,25 0,45 IR mA 450 400 250 Rtyp Ω 0,25 0,3 0,8 VT V–, 2 s 750 750 750 Ordering code B82719C2474N315 B82719C2105N365 B82719C2475N365 63 04/02 ( Herausgegeben von EPCOS AG...