TX9031

www.DataSheet4U.com T1/CEPT/ISDN-PRI TRANSFORMER Quad Port SMT Transformer Module with Line Side Protection Four transmit transformers, four receive transformers and line side protection circuit in a surface mount package Matched to Infineon’s QUADFALC and QUADLIU transceivers Patented “Interlock Base” construction for high reliability IC grade transfer-molded package withstands 235°C IR reflow temperature Minimum Isolation voltage: 1500 Vrms (UL approval pending) Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C Part Number TX9031 Turns Ratio (Pri:Sec ±5%) Transmit Receive 1CT:2.4 1:1CT 1 OCL Line Side (mH MIN) 1.2 CW/W (pF MAX) 35 & 35 LL (µH MAX) .50 & .80 Package/ Schematic BRT Primary Pins Transmit 1-3, 10-12, 13-15, 22-24 Receive 45-43, 42-40, 33-31, 30-28 NOTE: For extended temperature range transformers, OCL (Open Circuit Inductance for the primary winding) is specified at both -40°C and +25°C. At -40°C, OCL is 600 µH minimum. All other parameters are specified at +25°C. Mechanical BRT CH1 TX 1 2 3 4 Schematic 48 Surge Suppressor 47 46 45 1.255 31,88 .575 14,61 .401 10,19 .092 2,34 .030 0,76 SUGGESTED PAD LAYOUT CH1 RX 5 6 7 Surge Suppressor 44 43 42 DATE CODE COUNTRY OF ORIGIN TX9031 .712 .852 18,08 21,64 .894 22,71 CH2 RX 8 9 10 Surge Suppressor 41 40 39 CHIP SIDE .052 1,32 .305 7,75 .008 0,20 .004/0,10 48 Surfaces 12 13 CH3 TX 14 15 16 37 36 Surge Suppressor 35 34 33 .020 MIN 0,51 CH3 RX 17 18 19 Surge Suppress...