8181

T1/E1 Dual Input / Output Transformers 8180-8181 • Models matched to leading transceiver ICs • Dual SMD package contains both transmit and receive transformers • Isolation voltage of 1500 Vrms • UL 1459 and UL 1950 • Extended Temperature range -40°C to +85°C MECHANICAL AND SCHEMATIC (All dimensions in inches) UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010 8180-8181 ELECTRICAL SPECIFICATION @ 25˚C Part Number 8180 8181 Turns Ratio (Pri:Sec ±2%) 1CT:2CT & 1CT:2C 1:1/1.26 & 1:2C OCL @ 25˚C (mH MIN) 1.20 & 1.2 1.20 & 1.20 LL (µH MAX) 0.80 & 0.8 0.80 & 0.8 CW/W (pF MAX) 50 & 5 50 & 6 DCR Pri (Ω MAX) 1.00 & 1.0 1.00 & 1.00 DCR Sec (Ω MAX) 1.70 & 1.7 1.10 & 1.7 Primary Pins 12-10, 4-6 12-10, 4-6 ISSUE: C 16/09/02 229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com A n ISO 9001 Registered Company