CBM103 SUMIDA | Alldatasheet
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MODEM Transformer< SMD Type: CBM Series> Type: CBM103 Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1 Product Description EOperating frequency: 4MHz Max. Feature EDigital TV’s Modem transformer. EIdeally used for the Conexant Smart DAA™. ERoHS Compliance. Dimensions (mm) Land Pattern (mm) Schematics(Bottom) Specification(Part Number:ESMIT-4140) Electrical parameters Min. Typ. Max. Units Inductance of primary(1-4),Ls(Secondary open , 100kHz,1Vrms Osc.) 40 60 ÊH Inductance of primary(1-4),Ls(Secondary open , 4.0MHz,1Vrms Osc.) 7 10 ÊH Winding-to-winding capacitance,1MHz(Cww) 4.0 10 pF Self-resonant frequency(fR) 6.0 MHz Turns ratio (1-4):(8-5) 1:2.6 N/A DC resistance of primary 25(1-4),RDCPRI 0.25 ¶ DC resistance of secondary 25(5-8), RDCSEC 0.45 ¶ Dielectric rating 3750V AC for 1 second between terminals (1-8) ESMIT-4140 2.48MAX. [0.098] 0.95 [0.037] 4~0.50 [0.020] 1.0[0.040] 4SURFACES 2.48MAX. [0.098] 0ß\`8ß 1.02/1.27 [0.040/0.050] 9.4 [0.370] 7.62 [0.300] 13.3MAX. [0.523] sumida CNwwww 14.0 7.62}0.3 [0.305}0.012]0.50 [0.020] 0.65 [0.026] TERMINAL 0.80 [0.031] 1.50 [0.059] [0.551] 13.0 [0.512] 10.0 [0.394] 8 5 PRI (LINE,TNV) SEC (MODEM) 1:2.6