东莞收购三极管上门收购

东莞收购三极管上门收购
聚东电子终端回收公司，上门回收收购各类电子元器件、工厂库存呆料和个人电子IC等,解决客户的后顾之忧,以华南为中心,辐射全国!
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1. 快递代收货款交易(由卖方在当地选择快递公司,选择代收货款业务,货到后我司直接付款快递公司,卖方直接从快递公司收款)..     
2. 转帐交易(卖方货到我司,我司将在验货后,货款马上打到卖方帐户) 
3.上门现金交易(对金额数量较大,经买卖双方确认后八成,我司将在2个工作日内上门洽谈细节)
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长期回收以下型号：

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且红笔所接的脚是K极，黑笔接的脚是G极，剩下一个脚就是A极了。如果测量的结果中，有两个脚的正、反向值都是几十至几百欧，那么这个可控硅就是双向可控硅。而且有一次测量的阻值比另一次测量的阻值稍大些，需要认真对比，阻值稍大的一次红笔接的为G极，黑笔所接为T1极，余下是T2极。双向可控硅图可控硅好坏的判断：就拿常见的额定6A以下的可控硅来说明：单向可控硅，将万用表打到RX1档红笔接K极，黑笔同时接通A极，并保持黑笔不离开A极情况下断开G极，指针应指示几十欧至一百欧，说明可控硅能被正常触发导通。