本公司资金雄厚、现金回收、诚实可靠、安全放心、速度快、效率高，给客户满意；我们凭借热情周到的服务及良好的商业信誉赢得了众多客户和业内同行的信赖。
珠海收购BGA上门收购
聚东电子科技公司经营范围：电子元件回收、电子产品回收、IC回收、手机芯片回收、电容回收、二三极管回收、继电器回收、蓝牙IC、手机IC、天线开关、一切IC、二三极管。CPU主控、BGA、手机IC，数码相机IC、电脑IC、IC、摄像头IC、家电IC、数码IC、车载IC、通信IC、通讯IC等产品类IC，SPHE系列、SAA系列、XC系列、RT系列、TDA系列、CS系列、EPM系列、二三极管、单片机、IG模块、网卡芯片、显卡芯片、液晶芯片、霍尔元件、贴片发光管、贴片电容、贴片电感、内存FLASH、南北桥、钽电容、晶振、家电IC、音频IC、数码IC珠海收购BGA上门收购
、通讯IC、手机IC、内存IC、通信IC、IC、音响IC、电源IC、鼠标IC、电脑周边配件、手机周边配件等 高价回收工厂及个人积压库存、转产等电子元器件长期高价现金收购个人和工厂库存电子元件，我们以努力处事、以诚信待人，能迅速为客户消化库存、减少仓储、回笼资金，我们交易灵活方便，现金支付，价格合理，尽量满足客户的要求，提供服务。我们的原则是------以诚合作、诚信经营、重信誉守承诺
我们的目标是------为每位客户提供方便快捷的优质服务珠海收购BGA上门收购
1、上门免费估价回收电子工厂呆滞IC、电子元器件、电子零配件，的评估人员上门评估，我们价格合理，信守承诺，为客户提供一站式服务
2、的服务体系快速的回复，我们在接到电话后，马上安排专人跟进，全天24小时服务
3、业务覆盖范围深圳、上海、苏州、昆山、无锡、南京、杭州、北京等 均有设点。我们更注重长期合作，不是一次易
长期回收以下型号：
UPD78F0532AFC-AA1-A
UPD78F0532AGA-HAB-AX
UPD78F0532AGBA2-GAH-G
UPD78F0532AGBA-GAH-G
UPD78F0532AGB-GAH-AX
UPD78F0532AGCA2-GAL-G
UPD78F0532AGCA-GAL-G
UPD78F0532AGC-GAL-AX
UPD78F0532AGKA2-GAJ-G
UPD78F0532AGKA-GAJ-G
UPD78F0532AGK-GAJ-AX
UPD78F0532FC-AA1-A
UPD78F0532GA-9EV-A
UPD78F0532GB(A)-GAH-AX
UPD78F0532GB(A2)-GAH-AX
UPD78F0532GB-UEU-A
UPD78F0532GC(A)-GAL-AX
UPD78F0532GC(A2)-GAL-AX
UPD78F0532GC-UBS-A
UPD78F0532GK(A)-GAJ-AX
UPD78F0532GK(A2)-GAJ-AX
UPD78F0532GK-UET-A
UPD78F0533AFC-AA1-A
UPD78F0533AGA-HAB-AX
UPD78F0533AGBA2-GAH-G
UPD78F0533AGBA-GAH-G
UPD78F0533AGB-GAH-AX
UPD78F0533AGCA2-GAL-G
UPD78F0533AGCA-GAL-G
UPD78F0533AGC-GAL-AX
UPD78F0533AGKA2-GAJ-G
UPD78F0533AGKA-GAJ-G
UPD78F0533AGK-GAJ-AX
UPD78F0533FC-AA1-A
UPD78F0533GB(A)-GAH-AX
UPD78F0533GB(A2)-GAH-AX
UPD78F0533GC(A)-GAL-AX
UPD78F0533GC(A2)-GAL-AX
UPD78F0533GK(A)-GAJ-AX
UPD78F0533GK(A2)-GAJ-AX
UPD78F0533GK-UET-A
UPD78F0534AFC-AA1-A
UPD78F0534AGA-HAB-AX
UPD78F0534AGBA2-GAH-G
UPD78F0534AGBA-GAH-G
UPD78F0534AGB-GAH-AX
UPD78F0534AGCA2-GAL-G
UPD78F0534AGCA-GAL-G
UPD78F0534AGC-GAL-AX
UPD78F0534AGKA2-GAJ-G
UPD78F0534AGKA-GAJ-G
UPD78F0534AGK-GAJ-AX
UPD78F0534FC-AA1-A
UPD78F0534GB(A)-GAH-AX
UPD78F0534GB(A2)-GAH-AX
UPD78F0534GB-UEU-A
UPD78F0534GC(A)-GAL-AX
UPD78F0534GC(A2)-GAL-AX
UPD78F0534GK(A)-GAJ-AX
UPD78F0534GK(A2)-GAJ-AX
UPD78F0534GK-UET-A
UPD78F0535AFC-AA1-A
UPD78F0535AGA-HAB-AX
UPD78F0535AGBA2-GAH-G
UPD78F0535AGB-GAH-AX
UPD78F0535AGCA2-GAL-G
UPD78F0535AGCA-GAL-G
UPD78F0535AGC-GAL-AX
UPD78F0535AGKA2-GAJ-G
UPD78F0535AGK-GAJ-AX
UPD78F0535FC-AA1-A
UPD78F0535GA-9EV-A
UPD78F0535GB(A)-GAH-AX
UPD78F0535GB(A2)-GAH-AX
UPD78F0535GB-UEU-A
UPD78F0535GC(A)-GAL-AX
UPD78F0535GC(A2)-GAL-AX
UPD78F0535GC-UBS-A
UPD78F0535GK(A)-GAJ-AX
UPD78F0535GK(A2)-GAJ-AX
UPD78F0536AFC-AA1-A
UPD78F0536AGA-HAB-AX
UPD78F0536AGB(A)-GAH-AX
UPD78F0536AGBA2-GAH-G
UPD78F0536AGB-GAH-AX
UPD78F0536AGCA2-GAL-G
UPD78F0536AGCA-GAL-G
UPD78F0536AGC-GAL-AX
UPD78F0536AGKA2-GAJ-G
UPD78F0536AGKA-GAJ-G
UPD78F0536AGK-GAJ-AX
UPD78F0536FC-AA1-A
UPD78F0536GB(A)-GAH-AX
UPD78F0536GB(A2)-GAH-AX
UPD78F0536GB-UEU-A
UPD78F0536GC(A)-GAL-AX
UPD78F0536GC(A2)-GAL-AX
UPD78F0536GC-UBS-A
UPD78F0536GK(A)-GAJ-AX
UPD78F0536GK(A2)-GAJ-AX
UPD78F0537AFC-AA1-A
UPD78F0537AGA-HAB-AX
UPD78F0537AGBA-GAH-G
UPD78F0537AGB-GAH-AX
UPD78F0537AGCA2-GAL-G
UPD78F0537AGCA-GAL-G
UPD78F0537AGC-GAL-AX
UPD78F0537AGKA2-GAJ-G
UPD78F0537AGKA-GAJ-G
UPD78F0537AGK-GAJ-AX
UPD78F0537DAF1-AA2-A
UPD78F0537DAFC-AA1-A
UPD78F0537DAGA-HAB-AX
UPD78F0537DAGB-GAH-AX
UPD78F0537DAGC-GAL-AX
UPD78F0537DAGK-GAJ-AX
UPD78F0537DGB-UEU-A
UPD78F0537DGK-UET-A
UPD78F0537GA-9EV-A
UPD78F0537GB(A)-GAH-AX
UPD78F0537GB(A2)-GAH-AX
UPD78F0537GB-UEU-A
UPD78F0537GC(A)-GAL-AX
UPD78F0537GC(A2)-GAL-AX
UPD78F0537GC-UBS-A
UPD78F0537GK(A)-GAJ-AX
UPD78F0537GK(A2)-GAJ-AX
UPD78F0544AGCA2-GAD-G
UPD78F0544AGCA-GAD-G
UPD78F0544AGC-GAD-AX
UPD78F0544AGKA2-GAK-G
UPD78F0544AGKA-GAK-G
UPD78F0544AGK-GAK-AX
UPD78F0544GC(A)-GAD-AX
UPD78F0544GC(A2)-GAD-AX
UPD78F0544GK(A)-GAK-AX
UPD78F0544GK(A2)-GAK-AX
UPD78F0544GK-8EU-A
UPD78F0545AGC(A)-GAD-AX
UPD78F0545AGCA2-GAD-G
UPD78F0545AGCA-GAD-G
UPD78F0545AGC-GAD-AX
UPD78F0545AGKA2-GAK-G
UPD78F0545AGKA-GAK-G
UPD78F0545AGK-GAK-AX
UPD78F0545GC(A)-GAD-AX
UPD78F0545GC(A2)-GAD-AX
UPD78F0545GK(A)-GAK-AX
UPD78F0545GK(A2)-GAK-AX
UPD78F0545GK-8EU-A
UPD78F0546AGCA2-GAD-G
UPD78F0546AGCA-GAD-G
UPD78F0546AGC-GAD-AX
UPD78F0546AGKA2-GAK-G
UPD78F0546AGKA-GAK-G
UPD78F0546AGK-GAK-AX
UPD78F0546GC(A)-GAD-AX
UPD78F0546GC(A2)-GAD-AX
UPD78F0546GC-U-A
UPD78F0546GK(A)-GAK-AX
UPD78F0546GK(A2)-GAK-AX
UPD78F0547AGCA2-GAD-G
UPD78F0547AGCA-GAD-G
UPD78F0547AGC-GAD-AX
UPD78F0547AGKA2-GAK-G
UPD78F0547AGKA-GAK-G
UPD78F0547AGK-GAK-AX
UPD78F0547DAGC-GAD-AX
UPD78F0547DAGK-GAK-AX
UPD78F0547DGC-U-A
UPD78F0547DGK-8EU-A
UPD78F0547GC(A)-GAD-AX
UPD78F0547GC(A2)-GAD-AX
UPD78F0547GC-U-A
UPD78F0547GK(A)-GAK-AX
UPD78F0547GK(A2)-GAK-AX
UPD78F0547GK-8EU-A
UPD78F0550MA-FAA-AX
UPD78F0551MA-FAA-AX
UPD78F0552MA-FAA-AX
UPD78F0555MA-FAA-AX
UPD78F0556MA-FAA-AX
UPD78F0557MA-FAA-AX
UPD78F0560FC-2N2-A
UPD78F0560K8-3B4-AX
UPD78F0560MC-CAA-AX
UPD78F0561AFC(S)411-AA3-E2
UPD78F0561FC-2N2-A
UPD78F0561K8-3B4-AX
UPD78F0561MC-CAA-AX
UPD78F0562FC-2N2-A
UPD78F0562K8-3B4-AX
UPD78F0562MC-CAA-AX
UPD78F0565FC-2N2-A
UPD78F0565K8-3B4-AX
UPD78F0565MC-CAA-AX
UPD78F0566FC-2N2-A
UPD78F0566K8-3B4-AX
UPD78F0566MC-CAA-AX
UPD78F0567FC-2N2-A
UPD78F0567K8-3B4-AX
在输出端短路的情况下，PWM控制电路能够把输出电流限制在一个安全范围内，它可以用多种方法来实现限流电路，当功率限流在短路时不起作用时，只有另增设一部分电路。短路保护电路通常有两种，下图是小功率短路保护电路，其原理简述如下：当输出电路短路，输出电压消失，光耦OT1不导通，UC3842脚电压上升至5V左右，R1与R2的分压超过TL431基准，使之导通，UC3842⑦脚VCC电位被拉低，IC停止工作。UC3842停止工作后脚电位消失，TL431不导通UC3842⑦脚电位上升，UC3842重新启动，周而复始。