- Q:
X7R/X5R/X8R/Z5U/Y5V/X7S/C0G介质的区别
- 一个X7R贴片电容器，它意味着贴片电容器可以工作在-55摄氏度到+ 125摄氏度温度范围内，且贴片电容值变化不会超过标称值的±15%。 同样的,当制造商说,这是一个Y5V电容，它意味着电容器可以工作在-30摄氏度到+ 85摄氏度温度范围内，且电容值不会增加超过22%，也不会值降标称值的82%以下。 最常用的电容电介质有：X7R,X8R,X5R,Y5V,Z5U，X7S。
- Q:
AVX钽电容怎么判定真假？
- 编带上面大概每间隔25CM有打AVX的字样，假货编带一般没有打AVX字。国产钽电容改AVX，这种用国产钽电容打磨掉上面的字，直接用激光扫描上去新的字，把字打成AVX的样子，这种基本看下焊脚可以看出来，国产的焊脚正负极是一样的。因此可以轻易的识别出其真假。
- Q:
PDC信昌 高压贴片电容
- 高压贴片电容又名陶瓷多层片式电容器，是一种用陶瓷粉生产技术，内部为贵金属钯金，用高温烧结法将银镀在陶瓷上作为电极制成。它一共有三种介质分别是NPO(COG)、X5R和X7R
- Q:
28 nm Beidou multi-mode chip supports the global signal
- May 24, 2017 From the 8th annual academic conference on satellite navigation held in Shanghai, China‘s first "Firebird", the 28nm Beidou multimode chip that supports global signals, was unveiled at the conference. The chip supports four major global navigation satellite systems, the size of the equivalent of a pencil tip.
- Q:
Tactile and self-healing robot is becoming a reality
- Recently, researchers at the University of Glasgow in the United Kingdom used graphene to develop an electronic robot skin that is more tactile than human hands. It is reported that the newly developed skin of the robot is essentially a tactile sensor, scientists will use it to create more lightweight prostheses, and the surface of the skin feels softer, more natural robot.
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