Chokes for Data and Signal Lines B82791-G15 Double Chokes B82791-H15 Rated voltage 42 Vac/80 Vdc Rated current 100 mA Rated inductance 2,2 to 38 mH Construction ■ Current-compensated ring core double choke with ferrite core ■ Plastic case Features ■ Vertical or horizontal version ■ 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 symmetrical data transmission – Building services automation (EIB bus) – automation engineering Terminals ■ Pins fitting standard PCB grid Marking Ordering code, rated inductance, manufacturer, date of manufacture (month, year) 293 04/00 Chokes for Data and Signal Lines B82791-G15 Double Chokes B82791-H15 Dimensional drawing Horizontal version B82791-G15 SSB0174-Z 2,8+0,5 15±0,2 17,7 max. ø0,6 Vertical version B82791-H15 8 max. 10±0,2 17,7 max. SSB1553-7 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 % for H15-A16: – 25/+ 35 % 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. 4 g 294 04/00 Chokes for Data and Signal Lines B82791-G15 Double Chokes B82791-H15 Characteristics and ordering codes LR mH LS, typ µH IR mA Rtyp Ω VT Ordering code Vdc, 2 s horizontal version vertical version 2,2 4,7 10 38 1,0 1,5 2,5 3,5 100 100 100 100 0,4 0,9 1,3 3,3 1200 1200 1200 750 — B82791-H15-A16 B82791-H15-A25 — B82791-G15-A17 B82791-G15-A16 — B82791-G15-A14 Impedance |Z | versus frequency f B82791- 295 04/00