【THOMAS & BETTS】TY300-40-39-100,
【THOMAS & BETTS】TY300-40X,
【THOMAS & BETTS】TY300-50,
【THOMAS & BETTS】TY300-50X100,
【TRIAD MAGNETICS】TY-300P,TRANSF 600 OHM 0MA DC TEL HYBRID
【TRIAD MAGNETICS】TY300P-D,变压器音频和信号 600Pri Ohms 0mA 600/600Sec Ohms
【TRIAD MAGNETICS】TY-301P,TRANSF 900 OHM SEC. 0MA DC TEL
【TRIAD MAGNETICS】TY-302P,TRANSF 600 OHM 0MA DC TEL HYBRID
