- 3 -
2-2. Voltage Characteristic
(1) AC Voltage Characteristic
The AC voltage characteristics of X7R- and Y5V-characteristic MLCC capacitors are shown in
Fig.2 below:
At the measurement conditions of 25 degree, 1kHz, while capacitance change ratio of the
X7R-characteristic capacitors is within ± 5% at maximum, the capacitance of Y5V-characteristic
capacitors drops by 50% at the maximum and changes according to applied AC voltage level.
Although the dissipation factor of Y5V-characteristic capacitor also changes significantly
according to the measurement voltage, the X7R-characteristic capacitor shows very little
change.
(a) Capacitance Change Ratio
(b) Dissipation Factor (DF)
Fig.2 AC Voltage Characteristic
1206type 10uF 10V
-100
-80
-60
-40
-20
0
20
0
0.5
1
1.5
2
AC Voltage[Vrms]
C
a
p
.c
h
a
n
g
e
[%
]
X7R
Y5V
1206type 10uF 10V
0.00
0.05
0.10
0.15
0.20
0.25
0
0.5
1
1.5
2
AC Voltage[Vrms]
DF
X7R
Y5V
