Multilayer electronic component
A multilayer electronic component according to an embodiment of the present disclosure includes: a body including an active portion including a plurality of first dielectric layers and first and second internal electrodes alternately disposed between the first dielectric layers to form capacitance, and including first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; and first and second external electrodes disposed on the body and connected to the first and second internal electrodes, respectively, wherein the plurality of first dielectric layers includes stabilized zirconia.
1. A multilayer electronic component comprising:
an active portion including:
first dielectric layers, wherein at least one of the first dielectric layers comprises stabilized zirconia, wherein the at least one of the first dielectric layers further comprises yttrium, and an average content of yttrium included in the at least one of the first dielectric layers comprising yttrium is greater than 122 ppm, and
first and second internal electrodes alternately disposed between the first dielectric layers to form capacitance,
a body comprising first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; and
first and second external electrodes disposed on the body and connected to the first and second internal electrodes respectively.
2. The multilayer electronic component of claim 1 , wherein the stabilized zirconia includes one or more of yttria stabilized zirconia, magnesium oxide stabilized zirconia, cerium oxide stabilized zirconia, aluminum oxide stabilized zirconia, and calcium oxide stabilized zirconia.
3. The multilayer electronic component of claim 1 , wherein the at least one of the first dielectric layers comprises zirconium, and
an average content of zirconium included in the at least one of the first dielectric layers comprising zirconium is greater than 637 ppm.
4. The multilayer electronic component of claim 3 , wherein the average content of zirconium included in the at least one of the first dielectric layers comprising zirconium is 1090 ppm or less.
5. The multilayer electronic component of claim 1 , wherein the average content of yttrium included in the at least one of the first dielectric layers comprising yttrium is 140 ppm or less.
6. The multilayer electronic component of claim 1 , wherein the body further comprises cover portions disposed on surfaces of the active portion opposing each other in the first direction.
7. The multilayer electronic component of claim 6 , wherein
at least one of the cover portions includes a second dielectric layer, and
the second dielectric layer is free of stabilized zirconia.
8. The multilayer electronic component of claim 7 , wherein
an average content of zirconium included in the at least one of the first dielectric layers is higher than an average content of zirconium included in the second dielectric layer, and
an average content of yttrium included in the at least one of the first dielectric layers is higher than an average content of yttrium included in the second dielectric layer.
9. The multilayer electronic component of claim 1 , wherein
the body further comprises margin portions disposed on surfaces of the active portion opposing each other in the third direction.
10. The multilayer electronic component of claim 9 , wherein
the margin portions include a third dielectric layer, and
the third dielectric layer is free of stabilized zirconia.
11. The multilayer electronic component of claim 10 , wherein
an average content of zirconium included in the at least one of the first dielectric layers is higher than an average content of zirconium included in the third dielectric layer, and
an average content of yttrium included in the at least one of the first dielectric layers is higher than an average content of yttrium included in the third dielectric layer.
12. The multilayer electronic component of claim 1 , wherein an average size of at least one of the first dielectric layers is 0.4 μm or less along the first direction.
13. The multilayer electronic component of claim 1 , wherein an average size of at least one of the first and second internal electrodes is 0.4 μm or less along the first direction.
14. The multilayer electronic component of claim 6 , wherein an average size of at least one of the cover portions is 100 μm or less along the first direction.
15. The multilayer electronic component of claim 9 , wherein an average size of at least one of the margin portions is 100 μm or less along the third direction.
16. A multilayer electronic component, comprising:
a body including:
an active portion including:
first dielectric layers,
first and second internal electrodes alternately disposed between the first dielectric layers to form capacitance, and
first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; and
first and second external electrodes disposed on the body and connected to the first and second internal electrodes, respectively,
wherein at least one of the first dielectric layers is formed using a first dielectric composition,
the first dielectric composition comprises stabilized zirconia, and
the stabilized zirconia contains yttria stabilized zirconia and one or more of magnesium oxide stabilized zirconia, cerium oxide stabilized zirconia, aluminum oxide stabilized zirconia, and calcium oxide stabilized zirconia, wherein the stabilized zirconia material is separately added to the first dielectric layers during preparation and is not introduced via YSZ balls used during raw material mixing and wherein the separately added YSZ content is at least 200 ppm.
17. The multilayer electronic component of claim 16 , wherein at least two of the first dielectric layers is formed using the first dielectric composition.
18. The multilayer electronic component of claim 16 , wherein the multilayer electronic component comprises a content of zirconium greater than 637 ppm and 1090 ppm or less, and/or a content of yttrium greater than 122 ppm and 140 ppm or less.
19. A multilayer electronic component comprising:
an active portion including:
first dielectric layers, wherein at least one of the first dielectric layers comprises greater than 122 ppm of yttrium, and
first and second internal electrodes alternately disposed between the first dielectric layers to form capacitance,
a body comprising first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; and
first and second external electrodes disposed on the body and connected to the first and second internal electrodes respectively.