MODEM Transformer< SMD Type: CBM Series> Type: CBM4D19 ◆ Product Description ・7.1×4.55mm Max.(L×W),1.98mm Max. Height. ・Operating frequency: 4MHz Max. ◆ Feature ・Digital TV’s Modem transformer. ・International Safety Standard EN60950/BABT/UV acquired ・Ideally used for the V.92(56kbps) Digital isolation Barrier for Conexant Smart DAA™. ・RoHS Compliance. ] 0 40 5 1 . . 2 0 [ ◆ Dimensions 4 MAX. 1.98 [0.078] MAX. 4.55 [0.179] 3 (mm) 4164 XXXX DATE CODE SUPPLIER P/N 9.14 [0.360] MAX. 7.10 [0.280] SUPPLIER LOGO 1 2 0.50 [0.020] 0.50 [0.020] ◆ Land Pattern (mm) 1.40 [0.055] ◆ Schematics(Bottom) 1.40 [0.055] ③ ② 9.65 [0.380] PRI ① SEC ④ 1:1.67 2.54 [0.100] ◆ Specification(Part Number:ESMIT-4164) Electrical Parameters MIN. Inductance of Primary1-2),Ls(Secondary OPEN ＠10kHz,100mV AC Osc.) TYP. MAX. μH 30 TURNS RATIO (1-2):(4-3) UNITS 1:1.67 N/A DC Resistance of Primary ＠25℃(1-2),RDCPRI 0.250 Ω DC Resistance of Secondary ＠25℃(4-3),RDCSEC 0.325 Ω Dielectric Rating Between Terminals (1,2):(3,4) 2000V AC for 1 Second Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1