UL1950

The UL1950 is one kind of DSL transformer device that is designed to meet the supplementary insulation requirements of UL1950 for a working voltage of 250 V. Materials used in construction of this component meet or exceed UL Class B and can be operated up to 130.

The electrical characteristics of the UL1950 can be summarized as:(1)Inductance 1-4 (Tie 2+3): 387.1 to 427.8 uH;(2)Leakage Inductance 1-4(Tie 2+3, 8+9, 10+7): 10 uH;(3)Interwinding Capacitance: 25 pF;(4)DC Resistance 1-3 or 2-4: 0.72 ;(5)DC Resistance 10-8 or 9-7: 0.61 ;(6)Frequency Response 30k to 2MHz: 3.0 dB;(7)Longitudinal Balance 20k - 1MHz: 55 dB. If you want to know more information about the UL1950, please download the datasheet in www.seekic.com or www.chinaicmart.com .