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Foolproof plug-in electrolytic capacitor and matched printed circuit board

A technology of electrolytic capacitors and capacitors, which is applied in the field of electronics, can solve the problems of reduced product life, damaged electrolyte, explosion, etc., and achieves the effects of no direction restriction, fast insertion, and the possibility of eliminating the possibility of harm

Pending Publication Date: 2019-12-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the reverse voltage will damage the electrolyte inside the electrolytic capacitor, and if the voltage is too high, it will even cause the electrolyte to vaporize and expand or even explode.
Some electrolytic capacitors will not be found to be obviously abnormal after being used in a short period of time after being reversed, but long-term reverse working conditions will greatly reduce the life of the entire product

Method used

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  • Foolproof plug-in electrolytic capacitor and matched printed circuit board
  • Foolproof plug-in electrolytic capacitor and matched printed circuit board
  • Foolproof plug-in electrolytic capacitor and matched printed circuit board

Examples

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Embodiment Construction

[0027] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0028] On the one hand, the present invention provides a fool-proof plug-in electrolytic capacitor, which includes a capacitor body 30 and, in addition, three lead-out pins arranged in a line at the bottom of the capacitor body 30 . Wherein, among the three lead-out pins, the lead-out pin located in the middle of the bottom end of the capacitor body 30 is the first lead-out pin with polarity, and one of the other two lead-out pins among the three lead-out pins is used for blind insertion positioning The polarity of the other lead-out pin is opposite to that of the first lead-out pin.

[0029] Wherein, when designing, the other two pins located on both sid...

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PUM

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Abstract

The invention provides a foolproof plug-in electrolytic capacitor, which includes a capacitor body, and further includes three lead-out pins arranged in a straight line at the bottom of the capacitorbody, wherein the lead-out pin of the three lead-out pins at the middle of the bottom of the capacitor body is a first lead-out pin with a polarity, and one of the other two lead-out pins of the threelead-out pins is a positioning lead-out pin; the other two lead-out pins of the three lead-out pins are symmetrical about the first lead-out pin. The electrolytic capacitor of the present invention,when used in combination with a printed circuit board, can be blind-plugged to achieve a foolproof effect, and can eliminate a potential safety hazard of the reverse insertion of the lead-out pins. Inaddition, a matched printed circuit board is also provided.

Description

technical field [0001] The invention belongs to the field of electronic technology, and relates to a fool-proof electrolytic capacitor for preventing reverse installation of plug-in electrolytic capacitors and a printed circuit board matched with it. Background technique [0002] Electrolytic capacitor is a kind of capacitor, which generally has polarity (positive and negative), and is widely used in various electronic products such as household appliances, automotive electronics, and industrial control equipment. Electrolytic capacitors are divided into "aluminum electrolytic capacitors" and "tantalum electrolytic capacitors" according to the difference in the insulating oxide layer of the positive metal foil, among which aluminum electrolytic capacitors occupy more than 34% of the capacitor market share. With the development of new industries such as new energy vehicles and AI technology, the application proportion of electrolytic capacitors is on the rise. [0003] The p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/008H05K1/18
CPCH01G9/008H05K1/184
Inventor 张甲明
Owner ZTE CORP
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