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A solid electrolytic capacitor including a capacitor element having a front surface, a rear surface, an upper surface, a lower surface, a sintered anode body; an anode lead; an anode termination; and a cathode termination is described. The anode termination has a planar portion and an upstanding por

A solid electrolytic capacitor including a capacitor element having a front surface, a rear surface, an upper surface, a lower surface, a sintered anode body; an anode lead; an anode termination; and a cathode termination is described. The anode termination has a planar portion and an upstanding portion, where the planar portion of the anode termination has a first section and a second section, where the first section has a first thickness and the second section has a second thickness. Further, the second thickness is less than the first thickness, and the first section is disposed between the upstanding portion and the second section. In addition, the second section is disposed beneath the lower surface of the capacitor element. Moreover, the anode lead and capacitor element are generally parallel with the planar portion. Such an arrangement can result in a capacitor exhibiting improved mechanical and electrical stability.

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1. A solid electrolytic capacitor, the solid electrolytic capacitor comprising: a capacitor element having a front surface, a rear surface, an upper surface, and a lower surface, wherein the capacitor element comprises a sintered, porous anode body; a dielectric overlying the anode body; and a solid

1. A solid electrolytic capacitor, the solid electrolytic capacitor comprising: a capacitor element having a front surface, a rear surface, an upper surface, and a lower surface, wherein the capacitor element comprises a sintered, porous anode body; a dielectric overlying the anode body; and a solid electrolyte cathode overlying the dielectric, wherein an anode lead extends from the front surface of capacitor element in a longitudinal direction;an anode termination having a planar portion and an upstanding portion, wherein the planar portion of the anode termination has a first section and a second section, wherein the first section has a first thickness and the second section has a second thickness, wherein the second thickness is less than the first thickness, wherein the first section is disposed between the upstanding portion and the second section, wherein the second section is disposed beneath the lower surface of the capacitor element, wherein the first section and the second section define a lower surface of the planar portion of the anode termination, further wherein the anode lead and capacitor element are generally parallel with the planar portion of the anode termination; anda cathode termination having a planar portion and an upstanding portion, wherein the planar portion of the cathode termination has a first section and a second section, wherein the first section has a first thickness and the second section has a second thickness, wherein the second thickness is less than the first thickness, wherein the second section is located at an edge of the planar portion of the cathode termination facing the planar portion of the anode termination, and wherein the first section defines a lower surface of the planar portion of the cathode termination. 2. The solid electrolytic capacitor of claim 1, wherein the anode termination second thickness is from about 10% to about 90% of the anode termination first thickness. 3. The solid electrolytic capacitor of claim 1, wherein the first section of the planar portion of the anode termination is uncoined. 4. The solid electrolytic capacitor of claim 1, wherein the second section of the planar portion of the anode termination is coined. 5. The solid electrolytic capacitor of claim 4, wherein the anode lead is electrically connected to the upstanding portion of the anode termination at a slot formed in the upstanding portion of the anode termination. 6. The solid electrolytic capacitor of claim 1, wherein the anode lead is electrically connected to the upstanding portion of the anode termination. 7. The solid electrolytic capacitor of claim 1, wherein the cathode termination second thickness is from about 10% to about 90% of the cathode termination first thickness. 8. The solid electrolytic capacitor of claim 1, wherein the first section of the planar portion of the cathode termination is uncoined. 9. The solid electrolytic capacitor of claim 1, wherein the second section of the planar portion of the anode termination is coined. 10. The solid electrolytic capacitor of claim 1, wherein the upstanding portion of the cathode termination has a first upstanding section and a second upstanding section. 11. The solid electrolytic capacitor of claim 10, wherein the first upstanding section of the cathode termination is located at a first vertical edge of the rear surface of the capacitor element and the second upstanding section of the cathode termination is located at an opposing second vertical edge of the rear surface capacitor element. 12. The solid electrolytic capacitor of claim 10, wherein the first upstanding section of the cathode termination and the second upstanding section of the cathode termination each have a vertical portion and a paddle portion disposed above the vertical portion. 13. The solid electrolytic capacitor of claim 11, wherein the paddle portions have a total width that is from about 25% to about 65% of a width of the rear surface of the capacitor element. 14. The solid electrolytic capacitor of claim 11, wherein the upstanding portion of the cathode termination further includes a third upstanding section, wherein the third upstanding section is disposed between the first upstanding section and the second upstanding section. 15. The solid electrolytic capacitor of claim 1, wherein the solid electrolyte contains a polypyrrole, polythiophene, polyaniline, polyacetylene, poly-p-phenylene, polyphenolate, or a combination thereof. 16. A method for forming a capacitor from a capacitor element and a lead frame, wherein the lead frame includes an anode termination and a cathode termination, the anode termination having a planar portion and an upstanding portion, and the cathode termination having a planar portion and an upstanding portion, and further wherein the capacitor element includes an anode, a dielectric layer overlying the anode, and a solid electrolyte cathode overlying the dielectric layer, wherein an anode lead extends from a surface of the capacitor element, the method comprising: coining the planar portion of the anode termination to form a planar portion having a first section with a first thickness and a second section with a second thickness, wherein the second thickness is less than the first thickness, wherein the first section and the second section define a lower surface of the planar portion of the anode termination;coining the planar portion of the cathode termination to form a planar portion having a first section with a first thickness and a second section with a second thickness, wherein the second thickness is less than the first thickness, wherein the second section is located at an edge of the planar portion of the cathode termination facing the planar portion of the anode termination, and wherein the first section defines a lower surface of the planar portion of the cathode termination;disposing a conductive adhesive on the planar portion of the cathode termination;positioning the capacitor element above the second section of the planar portion of the anode termination and the planar portion of the cathode termination of the lead frame so that a lower surface capacitor element contacts the conductive adhesive, wherein the capacitor element is generally parallel with the planar portion of the anode termination and the planar portion of the cathode termination; andelectrically connecting the anode lead to the upstanding portion of the anode termination, wherein the anode lead is generally parallel with the planar portion of the anode termination. 17. The method of claim 16, wherein the anode lead is welded to the upstanding portion of the anode termination at a slot formed in the upstanding portion of the anode termination. 18. The method of claim 16, wherein the cathode portion further comprises a tab that extends from the base. 19. The method of claim 16, further comprising bending the anode portion of the lead frame to form an upstanding anode termination portion, wherein the anode lead is electrically connected to the upstanding anode termination portion. 20. The method of claim 16, further comprising encapsulating the capacitor element with an encapsulating material so that at least a part of the anode termination and at least a part of the cathode termination of the lead frame remain exposed.