7121

ISDN S-BUS IC MFG. AMD AM79C30A/79C32A AT&T/LUCENT T7250/7256/7259 T7903 MIETEC MTC-2072 MITEL MT8930 MOTOROLA MC145474/145475 MC145574 INPUT/OUTPUT TRANSFORMERS 7117-7121 Units matched to leading transceivers IC’s. FILTRAN P/N IC MFG. NATIONAL TP3420/3421 SGS THOMSON ST5420/5421 SIEMENS PEB 2080/2081/2085 PSB 2186 PEB 2084/2086 YAMAHA 7405B FILTRAN P/N 7121 7119 7120 7119 7119 7119 7119 7119 7119 7119 7119 7118 7120 MECHANICAL AND SCHEMATIC (All dimensions in millimetres) SUGGESTED PAD LAYOUT SCHEMATIC 7117 - 7121 ELECTRICAL SPECIFICATION @ 25˚C Turns Ratio (±2%) A 7117 7118 7119 7120 7121 1:1 1:1 1:2 1:2.5 1:2 B 1:2 1:1 1:2 1:2.5 1:2 L Pri (mH MIN) A&B 22 22 22 22 22 LL Sec ( µH MAX) A 5 5 15 8-40 11 B 15 5 15 8-40 11 CW/W (pF MAX) A&B 100 100 100 100 100 CD Pri (pF MAX) A 42 42 80 110 180 B 80 42 80 110 180 A 2.4 2.4 2.5 2.5 2.4 DCR Pri ( Ω±25%) B 2.3 2.4 2.5 2.5 2.4 A 2.4 2.4 4.3 5.8 4.4 DCR Sec ( Ω±25%) B 4.0 2.4 4.3 5.8 4.4 Part Number ISSUE: A 08/01 An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com