APPLICATION NOTES FOR MULTILAYER
CERAMIC CAPACITORS
+0.2
+0.1
0.20
100
Impedance vs. Frequency
% C
0
-0.1
-0.2
100
1K
0.10
%DF
% C
%DF
10K
100K
1M
.01 F
Impedance (Ohms)
100
Leaded Ceramic C0G
.001 F
10
Figure 10. Figure 10.
Impedance (Ohms)
10
Impedance vs
Impedance vs FrequencyFrequency
for C0G
for C0G Dielectric Dielectric
0.001µF
0.0
10M
1
1
Figure 8.
Frequency - Hertz
Capacitance & DF vs Frequency - C0G
0.1
Figure 10. Figure 10.
0.1
Impedance
Frequency
Impedance vs
0.01µF
vs Frequency
for C0G
for C0G Dielectric Dielectric
1
1 0
100
1000
0.01
0.1
0.01
Frequency - MHz
+5
0
%DF
% C
Impedance vs
Figure 10. Figure 10. Impedance vs Frequency Frequency
10.0
0.001
for C0G
for C0G Dielectric Dielectric
0.1
1
10
100
7.5
5.0
2.5
1,000
-5
-10
-15
100
%DF
Figure 10.
Frequency - MHz
Impedance
Impedance vs. Frequency
vs Frequency for C0G Dielectric
Leaded X7R
% C
1K
10K
100K
1M
0.0
10M
100
100
Impedance (Ohms)
Impedance (Ohms)
Figure 9.
Frequency - Hertz
Capacitance & DF vs Frequency - X7R & Z5U
10
0.1 F
1.0 F
0.01µF
.01 F
0.1µF
10
1
1.0µF
Impedance vs
Figure 11. Figure 11. Impedance vs FrequencyFrequency
1
0.1
for X7R
for X7R Dielectric Dielectric
0.01
0.1
0.1
1
10
100
1000
Frequency - MHz
EFFECT OF TIME
(hours)
100%
100%
98%
98%
96%
96%
94%
94%
92%
92%
90%
90%
88%
88%
86%
86%
84%
84%
82%
82%
80%
80%
78%
78%
76%
76%
74%
74%
1
1
Impedance vs Frequency
Figure 11. Figure 11. Impedance vs Frequency
0.01
for X7R
for X7R Dielectric Dielectric
0.001
0.1
X7R
Z5U
X7R
1
Impedance vs. Frequency
10
Leaded Z5U
Capacitance
Capacitance
100
1,000
Impedance vs
Figure 11. Figure 11.Impedance vs Frequency Frequency
Figure 11.
Frequency - MHz
for X7R
for X7R
Frequency for X7R Dielectric
100
Impedance vs
Dielectric Dielectric
Impedance (Ohms)
Z5U
10
100
1
0.1µF
0.1 F
1.0µF
10
10
100
100
1000
1000
10K
10K
100K
100K
Impedance (Ohms)
10
0.1
Figure 13. Typical Aging Rates for X7R & Z5U
0.01
1.0 F
0.1
1
1 0
100
1000
1
Frequency - MHz
Impedance vs
Figure 12. Figure 12. Impedance vs FrequencyFrequency
for Z5U
for Z5U Dielectric Dielectric
0.1
0.01
Impedance vs Frequency
Figure 12. Figure 12. Impedance vs Frequency
for Z5U
for Z5U Dielectric Dielectric
0.001
0.1
1
10
100
1,000
Figure 12.
Frequency - MHz
Impedance vs Frequency for Z5U Dielectric
Impedance vs
Figure 12. Figure 12.
Impedance vs Frequency Frequency
for Z5U
for Z5U Dielectric Dielectric
© KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
9
Application Notes
EFFECT OF FREQUENCY
IMPEDANCE VS FREQUENCY
KEMET [ KEMET CORPORATION ]
