TM00139

      The TM00139(T1/E1 Surface Mount Transformer) is designed for transmit and receive line interface applications, dual ratio for both 75Ω and 120Ω operation, 1500-Volt isolation, low capacitance design for EMI suppression, operates at the T1 rate of 1.544 Mbits/s and at the E1 rate of 2.048 Mbits/s, meets IEC 695, 2-2 flammability requirement, operating temperature range: -40° C to +85°C, reliability testing: Shock, vibration, temperature cycling, temperature - humidity - bias, PWB Process Capability: standard printed wiring board assembly techniques, total-immersion cleaning.
      For H9772 of TM00139, nominal turns ratio ±2%(((4-1):(5-2))=1:1.07; (4-1):(5-8)=1:1.37)), inductance(measured at 10kHz, 0.1Vac) mH min((4-1)=1.65), DCR(max)((4-1)/(5-2)/(3-8)=1.1/1.1/0.4)), leakage inductance(measured at 100kHz, 0.10Vac)(µH max & min)((4-1)=0.70), interwinding capacitance(measured at 1kHz, 1Vac) pF max((4-1)&(5-2)=26, (4-1)&(3-8)=28), minimum interwinding breakdawn voltage vrms(=1500).
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