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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)
www.DataSheet4U.com
UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
Turns Ratio
(Pri:Sec ±2%)
OCL @ 25˚C
(mH MIN)
LL
CW/W
DCR Pri
(µH MAX) (pF MAX) (Ω MAX)
DCR Sec
(Ω MAX)
Primary
Pins
8180 1CT:2CT & 1CT:2C 1.20 & 1.2
0.80 & 0.8 50 & 5 1.00 & 1.0 1.70 & 1.7 12-10, 4-6
8181
1:1/1.26 & 1:2C 1.20 & 1.20 0.80 & 0.8
50 & 6 1.00 & 1.00 1.10 & 1.7 12-10, 4-6
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