【THOMAS & BETTS】TY400-50,
【THOMAS & BETTS】TY400-50X-100,
【TRIAD MAGNETICS】TY-400P,TRANSF 600 OHM 90MA DC TEL
【TRIAD MAGNETICS】TY-401P,TRANSF 600 OHM CTAP 90MA DC TE
【TRIAD MAGNETICS】TY-402P,TRANSF 600 OHM 90MA DC TEL
【TRIAD MAGNETICS】TY-403P,TRANSF 600 SPLIT SEC .90MA TEL
【TRIAD MAGNETICS】TY-404P,变压器音频和信号 Data Modem Coupling
【TRIAD MAGNETICS】TY-405P,变压器音频和信号 Data Modem Coupling
