Chokes for Data and Signal Lines B82794-C2 Quad Chokes Rated voltage 42 Vac/80 Vdc Rated current 200 to 300 mA Rated inductance 4,7 to 10 mH Construction ■ Current-compensated ring core quad choke with ferrite core Features ■ Case flame-retardant as per UL 94 V-0 ■ Suitable for reflow soldering Applications ■ Suppression of asymmetrical interference coupled in on lines, whereas data signals up to some MHz can pass unaffectedly ■ Telecom interfaces ■ ISDN systems Terminals ■ Tinned Marking Manufacturer, ordering code, date of manufacture (month, year) Delivery mode Blister tape, reel packing For details on taping, packing and packing units see page 302 283 04/00 Chokes for Data and Signal Lines B82794-C2 Quad Chokes Dimensional drawing 2,5±0,1 5±0,1 2,5±0,1 _ 0,05 0,6 +0,1 2,2±0,2 14,9±0,3 0,4+0,1 8±0,2 0˚...6 ˚ 10,8 max. 14,5 max. 16,6±0,4 A 13,3 max. Marking Beschriftung max. 0,1 A SSB1545-G 1,6 2,5 5 2,5 Layout recommendation 12 17,6 SSB1461-R 284 04/00 Chokes for Data and Signal Lines B82794-C2 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 10 mV (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 10 mV DC resistance Rtyp Typical values, measured at 20 °C ambient temperature Solderability (215 3) ˚C, (3 0,3) s wetting of soldering area ≥ 95 % in accordance with IEC 60068-2-58 Climatic category 40/125/56 (– 40 °C/+ 125 °C/56 days damp heat test) in accordance with IEC 60068-1 Weight Approx. 2,5 g Characteristics and ordering codes LR mH LS, typ nH IR mA Rtyp Ω VT Vdc, 2 s Ordering code 4,7 10 900 1100 300 200 0,9 1,3 750 750 B82794-C2475-N465 B82794-C2106-N465 285 04/00 Chokes for Data and Signal Lines B82794-C2 Quad Chokes Insertion loss αe (typical values at Z = 50 Ω) asymmetrical, all branches in parallel (common mode) symmetrical (differential mode) B82794-C2475-N465 B82794-C2106-N465 SSB1480-X 50 dB dB αe αe 40 40 30 30 20 20 10 10 0 _2 10 SSB1421-X 50 10 _1 10 0 10 1 MHz 10 2 f 0 _2 10 286 04/00 10 _1 10 0 10 1 MHz 10 2 f