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Old Electronics

siemens capacitor polarity

danielsalinas
hace 6 años
hace 6 años
Good day. I need to use a siemens 5000Uf x 50V capacitor (orange) that has 4 pins (3 are the same) and the room is different. I do not usually use this type of electrolytic capacitor, but those of two visibly identified pins .... I imagine that the 3 outer ones correspond to the negative and the one at the center is the positive one, but I need to be confirmed to prevent the capacitor from exhaling ( by an inverted connection) .. Of course, thanks
danielsalinas
hace 6 años

Thank you very much for all the answers. It is not a capacitor used in engines, but in old power supplies. I will follow your advice and connect the center pin to positive using any of the three exteriors as negative. Thanks again for the three answers, colleagues pr122, Nico4706 and elmeneao. A tender greeting.

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elmeneao
elmeneao
115
hace 6 años

: D

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pr122
pr122
10.397
hace 6 años
hace 6 años
Hello, the external pins are negative and are welded to the chassis, the pin near the center is the positive, greetings
elmeneao
elmeneao
115
hace 6 años
hace 6 años
Wuenas! two are to feed it and the other two are to change the direction of motor rotation! with which you connect three is fine (it will turn "to one side") Rate and comment! Regards!
danielsalinas
hace 6 años

Although the last two answers suggest that the positive is that of the center and the three that have continuity are the negative, this was the first to suggest it, so mark it as Solution.

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Nico4706
Nico4706
3.081
hace 6 años
hace 6 años
When testing with the ohmmeter, the three pins that are the same must have zero continuity with each other, and the different pin must not have zero continuity, that is the positive pin. The other three are negative and connect to ground.

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