MODEM Transformer< SMD Type: CBM Series> Type: CBM103B ◆ Product Description ・10.4×9.7mm Max.(L×W),2.48mm Max. Height. ・Operating frequency: 4MHz Max. ◆ Feature ・Digital TV’s Modem transformer. ・Ideally used for the Conexant Smart DAA™. ・RoHS Compliance. ◆ Dimensions (mm) MAX.2.48 1 MAX.10.4 [0.409] 1.02/1.27 [0.040/0.050] 7.62 [0.300] 4 0.50 [0.020] 0.65 [0.026] TERMINAL 13.0 [0.512] 14.0 [0.551] MAX.9.7 [0.3820] ＸＸ ＸＸ CN ESMIT-4142 [0.098] MAX.2.48 [0.098] sumida 7.6 [0.299] ① MAX.13.3 [0.523] ◆ Land Pattern (mm) 0.80 [0.031] 0ﾟ～8ﾟ 0.95 [0.037] 4×0.50 [0.020] 0.1[0.040] 4 SURFACES 1.50 [0.059] ◆ Schematics(Bottom) 1 8 SEC (MODEM) PRI (LINE,TNV) 4 5 1:2.6 ◆ Specification(Part Number:ESMIT-4142) Inductance of primary(1-4),Ls(Secondary open , ＠100kHz,1Vrms Osc.) Inductance of primary(1-4),Ls(Secondary open , ＠4.0MHz,1Vrms Osc.) Winding-to-winding capacitance,＠1MHz(Cww) Self-resonant frequency(fR) Turns ratio (1-4):(8-5) DC resistance of primary ＠25℃(1-4),RDCPRI DC resistance of secondary ＠25℃(5-8), RDCSEC Dielectric rating MIN. TYP. MAX. UNITS 40 60 --- μH --- 8.4 (REF.) --- μH --10 4.0 pF ----9.0 MHz ----1:2.6 N/A ----0.25 Ω ----0.45 Ω 3750V AC For 1 Second between terminals (1-8) Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1