我在深圳市凯利恩电子有限公司干了好些年啦，天天跟MOS管打交道，今天就跟大伙唠唠如何量测mos管的好坏。咱公司是专业的LED恒流驱动方案合作商，员工好多都是电子专业出身，在这行积累深厚。
之前有个某科技公司的采购人员跟我吐槽，说他们之前买的MOS管质量参差不齐，自己又不太会测好坏，用的时候出了不少问题，耽误生产进度。其实，量测MOS管好坏没那么难。我一般就用万用表，先把挡位调到二极管档，测MOS管的三个引脚。如果测出来有短路或者断路的情况，那这管子基本就坏了。再就是看看它的导通特性，正常的MOS管在合适的电压下能顺利导通。
还有个小技巧，就是对比法。拿一个已知好的MOS管和要测的一起测，参数差别大的那个，大概率就有问题。掌握这些方法，能帮大伙省不少心。
咱公司在这方面可靠谱了。16年专注LED恒流驱动，研发生产销售各类MOS管等LED驱动元件。从原材料采购到产品生产、检测、包装，每一个环节都遵循国际标准和行业规范，质量稳定。MOS管找凯利恩，让你没烦恼！有啥问题，我们售后也能及时解决。要是你也在为如何量测mos管的好坏发愁，不妨试试我们公司的产品。
English Version
Title: How to Measure the Quality of MOS Tubes? An Old Electrician's One - Trick Solution
I've been working at Shenzhen Kailien Electronics Co., Ltd. for many years. I deal with MOS tubes every day. Today, I'll chat with you about how to measure the quality of MOS tubes. Our company is a professional partner for LED constant - current driving solutions. Many of our employees are from electronic majors and have rich experience in this industry.
Before, a procurement staff member from a certain technology company complained to me. He said that the MOS tubes they bought before had uneven quality, and he didn't know how to measure their quality well. There were many problems during use, which delayed the production progress. Actually, measuring the quality of MOS tubes isn't that difficult. I usually use a multimeter. First, set the gear to the diode file and measure the three pins of the MOS tube. If there is a short - circuit or open - circuit situation, then the tube is basically broken. Also, check its conduction characteristics. A normal MOS tube can conduct smoothly under the appropriate voltage.
There is also a small trick, which is the comparison method. Take a known good MOS tube and the one to be measured and measure them together. The one with a large difference in parameters is probably problematic. Mastering these methods can save you a lot of trouble.
Our company is very reliable in this regard. We've been focusing on LED constant - current driving for 16 years, researching, producing, and selling various MOS tubes and other LED driving components. From raw material procurement to product production, testing, and packaging, every link follows international standards and industry specifications, ensuring stable quality. If you're looking for MOS tubes, choose Kailien, and you'll have no worries! We can also solve any problems you encounter in a timely manner through our after - sales service. If you're also worried about how to measure the quality of MOS tubes, you might as well try our company's products.