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

Multilayer Ceramic Capacitors

X7R

Recommended solder pad

2-fold array (case size 0405) 4-fold array (case sizes 0508 and 0612)

X7R

P

D

AB

C

KKE0302-L

C

P

D

AB

KKE0309-9

Maximum dimensions (mm)

Case size (inch/mm) Type A B C D P

0405/1012 2-fold array 0,55 0,28 1,38 0,40 0,64

0508/1220 4-fold array 0,90 0,40 2,20 0,35 0,50

0612/1632 4-fold array 1,00 1,10 3,10 0,45 0,90

Termination

Termination
(nickel barrier)

Ceramic body

Inner electrode

AgPd

Substrate electrode Ag
Intermediate electrode Ni
External electrode Sn

KKE0366-S-E

103 10/02

Multilayer Ceramic Capacitors

X7R

Product range array capacitors

X7R

Size

inch

mm

1)

2-fold arrays 4-fold arrays

0405

1012

0508

1220

0612

1632

Type B37831 B37941 B37872

C

R

VR (VDC)

16 25 50

1,0 nF

1,5 nF

2,2 nF

3,3 nF

4,7 nF

6,8 nF

10 nF

15 nF

22 nF

X7R

1) l ´ b (inch) / l ´ b (mm)

104 10/02

Multilayer Ceramic Capacitors

X7R; 0405 to 0612

Ordering codes and packing for X7R, 16, 25 and 50 VDC, nickel-barrier terminations

Chip thickness Cardboard tape,

Æ 180-mm reel

^ ^

1)

C

R

Ordering code

2)

mm pcs/reel pcs/reel

* 1 * 3

Cardboard tape,

Æ 330-mm reel

Case size 0405, 16 VDC, 2-fold arrays

1,0 nF B37831R9102M02* 0,6
2,2 nF B37831R9222M02* 0,6
4,7 nF B37831R9472M02* 0,6

10, nF B37831R9103M02* 0,6

± 0,1 5000 20000
± 0,1 5000 20000
± 0,1 5000 20000
± 0,1 5000 20000

Case size 0508, 25 VDC, 4-fold arrays

1,0 nF B37941R0102M04* 0,85
2,2 nF B37941R0222M04* 0,85
4,7 nF B37941R0472M04* 0,85

10, nF B37941R0103M04* 0,85

± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000

Case size 0612, 50 VDC, 4-fold arrays

1,0 nF B37872R5102M04* 0,85
1,5 nF B37872R5152M04* 0,85
2,2 nF B37872R5222M04* 0,85
3,3 nF B37872R5332M04* 0,85
4,7 nF B37872R5472M04* 0,85

6,8 nF B37872R5682M04* 0,85
10, nF B37872R5103M04* 0,85
15, nF B37872R5153M04* 0,85
22, nF B37872R5223M04* 0,85

± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000
± 0,1 4000 16000

X7R

1) Other capacitance values on request.

2) The table contains the ordering codes for the standard capacitance tolerance.
For other available capacitance tolerances see page 102.

105 10/02

X7R

Typical characteristics

Capacitance change

DC/C

temperature T

20

∆C

%

C

25

0

_

10

_

20

_

30

_

40

_

50

_

60

_

70

_

80

_

60_40_20

0 20 40 60 80 100 ˚C 140

versus

25

KKE0186-U

T

Multilayer Ceramic Capacitors

Capacitance change DC/C0 versus
superimposed DC voltage V

10

∆C

%

C

0

0

1 nF

_

10

_

20

_

30

_

40

0

10 20 30 40 V 50

50 V

X7R

KKE0356-K

V

Impedance |Z| versus
frequency f

4

10

Ω

Z

2

1 nF

10

1

10 nF

10

0

10

_

1

10

_

2

10

10

0

10

Dissipation factor tan

d versus

temperature T

KKE0358-2

10

_

1

KKE0189-J

δtan

_

2

10

_

3

1

3

10102MHz

10

f

_

60_40_20

0 20 40 60 80 100 ˚C 140

T

106 10/02

Multilayer Ceramic Capacitors

X7R

Typical characteristics

Insulation resistance R
temperature T

8

10

Ω

M

R

ins

6

10

5

10

4

10

3

10

versus

ins

KKE0190-M

Capacitance change DC/C1 versus
time t

10

C∆

%

C

1

0

_

5

_

10

_

15

X7R

KKE0191-V

2

10

0

20 40 60 80 100 140

_

20

0 1

˚C

10

10

T

10

2

3

10h

t

107 10/02

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(

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Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY

++49 89 636 09, FAX [phone]

(

 EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without

EPCOS’ prior express consent is prohibited.

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