Surface mounting type chip capacitor

Details Surface mounting type chip capacitor Surface mounting type chip capacitor

1994-03-25

1995-05-30

Reynolds, Bruce A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

361535, H01G 910

Patent

active

054207487

ABSTRACT:
The invention discloses an upstanding surface mounting type electrolytic chip capacitor. The conventional capacitor has an asymmetrical mass distribution, and oscillations occur, with the result that an automatic surface mounting becomes difficult. The present invention provides upward projections along the edges of the cover portion of the holder, thereby minimizing the settling instability, and forming a plurality of soldering gas discharge and lead guide slots. Further, an annular groove is formed on the bottom of the cover portion and along the upper circumference of the capacitor, so that a short-circuit preventing step should be formed, and that the coupling between the capacitor and the holder should be reinforced. Accordingly, the lead drawing direction does not have to be considered, and the mass distribution of the capacitor becomes symmetrical. Therefore, when the surface mounting type chip capacitor is dropped from a suction-holding means onto a circuit board, the capacitor is settled at the exact position, thereby preventing the positional deviations.

REFERENCES:
patent: 4931961 (1990-06-01), Ando

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