.我们经营方式灵活，经营手法多样，客户的要求我们会尽量满足。我们能够在香港、新加坡、马来西亚等地看货提货，为外资企业提供了足够的便利。我们的收购范围包括：手机、家电、通讯、电脑、设备、等上的所有电子元件，烟台收购闪存上门收购 IC，二、三极管、大小功率管、场效应管、可控硅、三端稳压、整流桥、光耦、继电器、变压器，钽电容、电感、磁珠、电容等！高价回收以下型号：
UPD78F0567MC-CAA-AX
UPD78F0571MC-CAB-AX
UPD78F0572MC-CAB-AX
UPD78F0573MC-CAB-AX
UPD78F0576MC-CAB-AX
UPD78F0577MC-CAB-AX
UPD78F0578MC-CAB-AX
UPD78F0581GA-GAM-AX
UPD78F0581GB-GAF-AX
UPD78F0581K8-4B4-AX
UPD78F0582GA-GAM-AX
UPD78F0582GB-GAF-AX
UPD78F0582K8-4B4-AX
UPD78F0583GA-GAM-AX
UPD78F0583GB-GAF-AX
UPD78F0583K8-4B4-AX
UPD78F0586GA-GAM-AX
UPD78F0586GB-GAF-AX
UPD78F0586K8-4B4-AX
UPD78F0587GA-GAM-AX
UPD78F0587GB-GAF-AX
UPD78F0587K8-4B4-AX
UPD78F0588GA-GAM-AX
UPD78F0588GB-GAF-AX
UPD78F0588K8-4B4-AX
UPD78F0590MC-CAB-AX
UPD78F0591MC-CAB-AX
UPD78F0592GA-GAM-AX
UPD78F0593FC-AA4-A
UPD78F0593GA-GAM-AX
UPD78F0730MC-CAB-AX
UPD78F0740MA-FAA-AX
UPD78F0741MA-FAA-AX
UPD78F0742MA-FAA-AX
UPD78F0743MC-CAA-AX
UPD78F0743MC-GAB-AX
UPD78F0744MC-CAA-AX
UPD78F0744MC-GAB-AX
UPD78F0745K8-3B4-AX
UPD78F0745MC-CAB-AX
UPD78F0746K8-3B4-AX
UPD78F0746MC-CAB-AX
UPD78F0750MA-FAA-AX
UPD78F0751MA-FAA-AX
UPD78F0752MA-FAA-AX
UPD78F0753MC-CAA-AX
UPD78F0753MC-GAB-AX
UPD78F0754MC-CAA-AX
UPD78F0754MC-GAB-AX
UPD78F0755K8-3B4-AX
UPD78F0755MC-CAB-AX
UPD78F0756K8-3B4-AX
UPD78F0756MC-CAB-AX
UPD78F0760GA-GAM-AX
UPD78F0761GA-GAM-AX
UPD78F0762GA-GAM-AX
UPD78F0763GB-GAH-AX
UPD78F0764GB-GAH-AX
UPD78F0765GB-GAH-AX
UPD78F0820GC(A)-UEU-AX
UPD78F0822BGC(A)-UEU-AX
UPD78F0828AGC(A)-GAD-AX
UPD78F0836GBA-GAH-G
UPD78F0837GBA2-GAH-G
UPD78F0837GBA-GAH-G
UPD78F0838GKA-GAK-G
UPD78F0839GKA-GAK-G
UPD78F0840GKA-GAK-G
UPD78F0841GKA2-GAK-G
UPD78F0841GKA-GAK-G
UPD78F0842GKA2-GAK-G
UPD78F0842GKA-GAK-G
UPD78F0843GKA-GAK-G
UPD78F0844GBA2-GAH-G
UPD78F0844GBA-GAH-G
UPD78F0845GBA-GAH-G
UPD78F0847GKA-GAK-G
UPD78F0848GKA-GAK-G
UPD78F0849GKA-GAK-G
UPD78F0856MAA-FAA-G
UPD78F0862MC(A)-5A4-A
UPD78F0862MC-5A4-A
UPD78F0881AGBA-GAF-G
UPD78F0882AGBA-GAF-G
UPD78F0883AGBA-GAF-G
UPD78F0884AGAA2-GAM-G
UPD78F0884AGAA-GAM-G
UPD78F0885AGAA2-GAM-G
UPD78F0885AGAA-GAM-G
UPD78F0886AGAA2-GAM-G
UPD78F0886AGAA-GAM-G
UPD78F0887AGBA2-GAH-G
UPD78F0887AGBA-GAH-G
UPD78F0888AGBA2-GAH-G
UPD78F0888AGBA-GAH-G
UPD78F0888AGKA-GAJ-G
UPD78F0889AGBA2-GAH-G
UPD78F0890AGBA2-GAH-G
UPD78F0890AGBA-GAH-G
UPD78F0890AGKA-GAJ-G
UPD78F0891AGKA-GAK-G
UPD78F0893AGCA-GAD-G
UPD78F0893AGKA-GAK-G
UPD78F0895AGAA-GAM-G
UPD78F1000GB-GAF-AX
UPD78F1001GA-HAA-AX
UPD78F1001GB-GAF-AX
UPD78F1002GA-HAA-AX
UPD78F1002GB-GAF-AX
UPD78F1003GA-HAA-AX
UPD78F1003GB-GAF-AX
UPD78F1004GB-GAG-AX
UPD78F1005GB-GAG-AX
UPD78F1006GB-GAG-AX
UPD78F1007F1-AA2-A
UPD78F1007F1-AN1-A
UPD78F1007GA-HAB-AX
UPD78F1007GB-GAH-AX
UPD78F1007GK-GAJ-AX
UPD78F1008F1-AA2-A
UPD78F1008F1-AN1-A
UPD78F1008GA-HAB-AX
UPD78F1008GB-GAH-AX
UPD78F1008GK-GAJ-AX
UPD78F1009F1-AA2-A
UPD78F1009F1-AN1-A
UPD78F1009GA-HAB-AX
UPD78F1009GB-GAH-AX
UPD78F1009GK-GAJ-AX
UPD78F1010GC-GAD-AX
UPD78F1010GK-GAK-AX
UPD78F1011GC-GAD-AX
UPD78F1011GK-GAK-AX
UPD78F1012GC-GAD-AX
UPD78F1012GK-GAK-AX
UPD78F1013F1-BAK-A
UPD78F1013GC-UEU-AX
UPD78F1013GF-GAS-AX
UPD78F1014F1-BAK-A
UPD78F1014GC-UEU-AX
UPD78F1014GF-GAS-AX
UPD78F1016F1-BA4-A
UPD78F1017F1-BA4-A
UPD78F1018F1-BA4-A
UPD78F1022GA-HAA-AX
UPD78F1022K8-5B4-AX
UPD78F1023GA-HAA-AX
UPD78F1023K8-5B4-AX
UPD78F1024GA-HAA-AX
UPD78F1024K8-5B4-AX
UPD78F1025F1-AN9-A
UPD78F1025F1-AN9-AX
UPD78F1025GA-HAB-AX
UPD78F1025GB-GAH-AX
UPD78F1026F1-AN9-A
UPD78F1026F1-AN9-AX
UPD78F1026GA-HAB-AX
UPD78F1026GB-GAH-AX
UPD78F1027GC-GAD-AX
UPD78F1027GK-GAK-AX
UPD78F1028GC-GAD-AX
UPD78F1028GK-GAK-AX
UPD78F1029GC-UEU-AX
UPD78F1029GF-GAS-AX
UPD78F1030GC-UEU-AX
UPD78F1030GF-GAS-AX
UPD78F1031AGA-GAM-AX
UPD78F1032AGA-GAM-AX
UPD78F1033AGA-GAM-AX
UPD78F1034AGA-GAM-AX
UPD78F1035AGA-GAM-AX
UPD78F1036AGB-GAH-AX
UPD78F1037AGB-GAH-AX
UPD78F1038AGB-GAH-AX
UPD78F1039AGB-GAH-AX
UPD78F1040AGB-GAH-AX
UPD78F1041AGK-GAK-AX
UPD78F1042AGK-GAK-AX
UPD78F1043AGK-GAK-AX
UPD78F1044AGK-GAK-AX
UPD78F1045AGK-GAK-AX
UPD78F1046AGC-UEU-AX
UPD78F1047AGC-UEU-AX
UPD78F1048AGC-UEU-AX
UPD78F1049AGC-UEU-AX
UPD78F1050AGC-UEU-AX
UPD78F1142AF1-AN1-A
UPD78F1142AF1-BA4-A
UPD78F1142AGA-HAB-AX
UPD78F1142AGB(A)-GAH-AX
UPD78F1142AGB-GAH-AX
UPD78F1142AGK(A)-GAJ-AX
UPD78F1142AGK-GAJ-AX
UPD78F1142GB-GAH-AX
UPD78F1143AF1-AN1-A
UPD78F1143AF1-BA4-A
UPD78F1143AGA-HAB-AX
当步进电机的定子一相绕组流过直流电流时，接近该相的转子齿被定子相吸引，因产生的电磁转矩大于负载转矩，从而使转子运动。当转子转动到电磁转矩与负载转矩平衡位置时，转子就静止不动了，此电磁转矩也就把负载转至需要的位置。然后再对下一相施加激磁电流，另外一个接近该相的转子齿被吸引，负载被该相电磁转矩驱动，移动1个步距角，到达下一个静止位置。激磁相切换的次数与频率决定了转子旋转的终角度与速度。步进电机的步距角由定子的相数与转子的齿数决定，详细内容将在下一章说明。