ISDN S-Bus Input/Output Transformer TEW5995 TEW5995 is a surface mount transformer,designed to comply with the requirements of an input/output transformer in the ISDN S-Bus Interface. TEW5995 complies with the requirements of CCITT I.430. It has been designed and approved for the following devices: TEW5995 TEW5995-1 AMD . . . . . . . . . . . . . . . . . . . . . . . .79C30A Mitel . . . . . . . . . . . . . . . . . . . .MT8930A,- B, - C . . . . . . . . . . . . . . . . . . . . . . . . . . .MT8931B, - C National . . . . . . . . . . . . . . . . . . . . . . . . .TP3420 Siemens . . . . . . . . . . . . . . . .PEB2080, PEB2081 . . . . . . . . . . . . . . . . . . . . . . .PEB2085, PEB2086 Cologne . . . . . . . . . . . . . . . . . . . . . . . . .HFC-SP Intel . . . . . . . . . . . . . . . . . . . . . . . . .29C53 TEW5995-2 Motorola . . . . . . . . .MC145474, MC145475 TEW5995-3 Motorola . . . . . . . . . . . . . . . . . .MC145574 Mechanical and Schematic Dot at pin 1 Top view 14.6 ± 0.30 1 6 2 5 3 8 4 7 max. 2.54 (6 places) Device Line 14.0 max 0.7 12.0 max RECOMMENDED FOOT PRINT 2.8 1.3 7.62 < 11 . 0 2.54 16.0 All dimensions are in mm ISSUE: C 98/06/30 5995 ELECTRICAL SPECIFICATION DCR (Ohms) Inductance Leakage Ind. TurnsRatio Longitudinal Bal. * Input/Output Impedance Pulse Shape Dielectric Strength (mH) (mH) (dB) TEW5995 (1 - 4) (6 - 7) (1 - 4) (1 - 4) (1 - 4) :(6 - 7) 10 - 300 KHz (Vrms) -1 -2 * Does not meet the I.430 L.C.L. requirements with the Mitel devices. An ISO 9001 Registered Company -3 3.4 3.4 3.4 4.4 7.0 6.3 3.7 17.7 > 22 > 22 > 22 > 22 < 12 < 12 < 12 < 12 1 :2 1 : 1.8 1 :1 1 : 2.5 > 65 > 65 >65 > 65 Conforms to the impedance mask in I.430 Conforms to the pulse mask in I.430 1500 1500 1500 1500 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com