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Typical ceramic dielectric materials for MLCCs with several EIA specifications. | ||||||
EIA designation |
Class |
Temp range ( ) |
Temp.cap. change (%) |
K value up to |
BT content (%) |
Grain size (μm) |
NPO(C0G) | 1 | -55 to 125 | ±30 ppm | 100 | 10-50 | 1 |
X7R(BX) | 2 | -55 to 125 | ±15 | 4000 | 90-98 | 1.5 |
Z5U | 2 | 10 to 85 | +22, -56 | 14000 | 80-90 | 3-10 |
Y5V | 2 | -30 to 85 | +22, -82 | 18000 | 80-90 | 3-10 |
Operating Temperature ( ) |
NPO(COG) | X7R | Y5V |
AKT | -55 to 125 | -55 to 125 | -30 to 85 |
MKT | -55 to 125 | -55 to 125 | -30 to 85 |
LKT | -55 to 125 | -55 to 125 | -30 to 85 |
HKT | -55 to 125 | -55 to 125 | - |