ISDN S-Bus TEW5374 Input/Output Transformer TEW5374 is a surface mount transformer, designed to comply with the requirements of an input/output transformer in the ISDN S-Bus Interface. It has been designed and approved for the following devices: TEW5374 AMD National PEB2080 PEB2081 PEB2085 79C30A TP3420 TEW5374-1 Intel 29C53 TEW5374-2 Motorola MC145474 MC145475 TEW5374 complies with the requirements of CCITT I.430. • SMD • Wide temperature range Siemens MECHANICAL TOP VIEW 5 6 Device 3 8 Dot at pin 1 17.0 ± 0.50 Line 2.54 (8 places) 1 13.0 ± 0.2 10 TEW5374 0.7 13.0 1.6 All dimensions are in mm 10.16 0.85 2.54 < 13.0 17.8 RECOMMENDED FOOT PRINT ISSUE: B 94/11/24 5374.chp ELECTRICAL TEW5374 TEW5374-1 TEW5374-2 DCR (Ohms) (1-5) (6-10) 6.1 3.1 5.1 2.8 2.8 2.8 Inductance (mH) (6-10) > 22 > 22 > 22 Leakage Ind. (µ H) (6-10) <6 <6 <6 (6-10):(1-5) 1:2 1 : 1.8 1:1 10 - 300 KHz > 54 > 54 > 54 Turns Ratio Longitudinal Bal. (dB) Input/Output Impedance Conforms to the impedance mask given in I.430. Pulse Shape Conforms to the pulse masks given in I.430 Dielectric Strength (Vrms) Temperature Filtran Limited Operating Storage 1500 -20o o 1500 1500 70o o to C -40 to 85 C 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 3-10