Chip capacitor, circuit assembly, and electronic device
AssigneeRohm Co., Ltd.
InventorsHiroki Yamamoto, Keishi Watanabe, Hiroshi Tamagawa
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Abstract
A chip capacitor according to the present invention includes a substrate, a pair of external electrodes formed on the substrate, a capacitor element connected between the pair of external electrodes, and a bidirectional diode connected between the pair of external electrodes and in parallel to the capacitor element. Also, a circuit assembly according to the present invention includes the chip capacitor according to the present invention and a mounting substrate having lands, soldered to the external electrodes, on a mounting surface facing a front surface of the substrate.
Claims25
A chip capacitor, comprising:
- a substrate having a longitudinal direction;
- a first external electrode and a second external electrode formed on or over the substrate;
- a capacitor element connected between the first external electrode and the second external electrode, the capacitor element extending in the longitudinal direction of the substrate;
- and
- a diode connected between the first external electrode and the second external electrode, and in parallel to the capacitor element, the diode extending in the longitudinal direction of the substrate,
- wherein the capacitor element includes
- a lower electrode,
- a capacitance film that is laminated on or over the lower electrode, and
- an upper electrode facing the lower electrode across the capacitance film, and
- wherein the upper electrode includes a trimming region capable of being fused, the trimming region having a line shape.
A chip capacitor, comprising:
- a substrate having a longitudinal direction;
- a first external electrode and a second external electrode formed on or over the substrate;
- a capacitor element connected between the first external electrode and the second external electrode, the capacitor element extending in the longitudinal direction of the substrate;
- and
- a diode connected between the first external electrode and the second external electrode, and in parallel to the capacitor element, the diode extending in the longitudinal direction of the substrate,
- wherein the capacitor element includes:
- a lower electrode,
- a capacitance film that is laminated on or over the lower electrode, and
- an upper electrode facing the lower electrode across the capacitance film,
- wherein the upper electrode includes a trimming region capable of being fused, the trimming region having a line shape.
Dependencies are inferred from the claim text.