EPCOS C0G X7R User Manual
Multilayer Ceramic Capacitors
C0G and X7R
Ordering code system
Array
B37830 R 0 101 K 0 2
2 2-fold array 4 4-fold array
Internal coding: 0 or decimal place for cap. values < 10 pF
Capacitance tolerance
^
J ± 5 %
^
K ± 10 % (standard for C0G)
^
M ± 20 % (standard for X7R)
Capacitance, coded
(example)
Rated voltage
Rated voltage [VDC]
^
100 10 · 100 pF = 10 pF
^
10 · 10
101
^
22 · 10
220
Code
1
Packaging
^
1 cardboard tape, 180-mm reel
^
3 cardboard tape, 330-mm reel
^ ^
1
pF = 100 pF
0
pF = 22 pF
16 25 50
905
Termination
Type and size
Chip size
(inch / mm)
0405 / 1012
0508 / 1220
0612 / 1632
Standard:
Temperature characteristic
C0G X7R
B37830 B37831
B37940 B37941
B37871 B37872
^
R nickel barrier for all case sizes
“R“ also indicates array capacitor
92 10/02
Multilayer Ceramic Capacitors
X7R
Features
■ Reduction of mounting time and mounting costs
■ Space saving on the PCB
Applications
■ Suitable for electronic circuits with parallel line layout
■ Decoupling
■ Coupling
■ Blocking
■ Interference suppression
Termination
■ For soldering: Nickel-barrier terminations (Ni)
Options
■ Alternative capacitance tolerances available on request
Delivery mode
■ Cardboard tape, 180-mm and 330-mm reel available
Electrical data
Temperature characteristic X7R
Climatic category (IEC 60068-1) 55/125/56
Standard EIA
Dielectric Class 2
Rated voltage
1)
Test voltage V
Capacitance range C
Max. relative capacitance change
Dissipation factor (limit value) tan
Insulation resistance
2)
at + 25 °C R
Insulation resistance2) at +125 °C R
VR 16, 25, 50 VDC
2,5 · VR/5 s VDC
test
1 nF … 22 nF
R
DC/C ± 15 %
d < 25 · 10
< 35 · 10
> 10
ins
> 10
ins
–3
–3
for 16V
5
4
Time constant2) at + 25 °C t > 1000 s
Time constant
Operating temperature range T
Ageing
2)
at +125 °C t > 100 s
–55 … +125 °C
3)
op
yes
Array
MW
MW
1) Note: No operation on AC line.
2) For C
3) Refer to chapter “General Technical Information”, page 197.
> 10 nF the time constant t = C · R
R
is given.
ins
101 10/02
Multilayer Ceramic Capacitors
X7R
Capacitance tolerances
Code letter K M
(standard)
To le r a nc e
±10% ±20%
Dimensional drawing
2-fold array (case size 0405) 4-fold array (case sizes 0508 and 0612)
X7R
u
b
s
s
kk
KKE0272-V
k
e
b
KKE0330-R
u
s
e
k
e
KKE0331-Z
Dimensions (mm)
2-fold array 4-fold array
Case size (inch)
(mm)
l 1,37
b 1,0 +0 / – 0,15 1,25
s 0,70 max. 0,85
k 0,36
e 0,64 0,5
u 0,2
Tolerances to CECC 32101-801
0405
1012
0508
1220
0612
1632
± 0,15 2,0 ± 0,2 3,2 ± 0,2
± 0,15 1,6 ± 0,2
± 0,1 0,85 ± 0,1
± 0,1 0,3 ± 0,1 0,4 ± 0,15
± 0,1 0,8 ± 0,15
± 0,1 0,2 +0,3/–0,1 0,2 +0,3/– 0,1
b
102 10/02
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