Multilayer Ceramic Capacitors
C0G, X7R, Z5U (Y5U)
Ordering code system
Leaded
B37979N
1
100
K
0
54
Packaging
51
^
cardboard tape, reel packing (360-mm reel)
54
^
Ammo packing (standard)
00
^
bulk
Internal coding
Capacitance tolerance
J
^
±
5%
K
^
±
10 % (standard for C0G)
M
^
±
20 % (standard for X7R and Z5U (Y5U))
Capacitance,
coded
(example)
101
^
10 · 10
1
pF = 100 pF
222
^
22 · 10
2
pF = 2,2 nF
473
^
47 · 10
3
pF = 47 nF
Rated voltage
Rated voltage [VDC]
Code
50
5
100
1
Type and size
With radial leads
EIA standard
Lead spacing 2,5 mm
5,5
´
5,0
´
2,5
6,5
´
5,0
´
2,5
Lead spacing 5,0 mm
5,5
´
5,0
´
2,5
6,5
´
5,0
´
2,5
9,0
´
7,5
´
2,5
Temperature characteristic
C0G
X7R
B37979N
B37986N
B37981M
B37987M
Z5U (Y5U)
B37982N
B37988N
B37979G
B37986G
—
B37981F
B37987F
B37984M
B37982G
B37988G
B37985N
152
10/02
Multilayer Ceramic Capacitors
C0G
Features
■
■
■
■
Leaded
Good thermal stability
High insulation resistance
Low dissipation factor
Low inductance
Applications
■
■
■
■
Resonant circuits
Filter circuits
Timing elements
Coupling and filtering, particularly in RF circuits
Termination
■
Parallel wire leads, iron-nickel, tinned
■
Crimped leads
■
Non-standard lead lengths on request
Marking
■
Rated capacitance, tolerance, manufacturer’s logo,
ceramic material, voltage
Delivery mode
■
Cardboard tape in Ammo packing (standard)
■
Cardboard tape on 360-mm reel or bulk on request
Electrical data
Temperature characteristic
Climatic category (IEC 60068-1)
Standard
Dielectric
Rated voltage
Test voltage
Capacitance range / E series
Temperature coefficient
Dissipation factor (limit value)
Insulation resistance
1)
at + 25
°
C
Insulation resistance
1)
at +125
°
C
Time constant
1)
at + 25
°
C
Time constant
1)
at +125
°
C
Operating temperature range
Ageing
C0G
55/125/56
EIA
Class 1
50, 100
2,5 ·
V
R
/5 s
10 pF … 10 nF (E12)
0
±
30 · 10
–6
/K
< 1,0 · 10
–3
> 10
5
> 10
4
> 1000
> 100
–55 … +125
none
V
R
V
test
C
R
tan
d
R
ins
R
ins
t
t
T
op
VDC
VDC
M
W
M
W
s
s
°
C
1) For
C
R
> 10 nF the time constant
t
=
C
·
R
ins
is given.
153
10/02
C0G
Multilayer Ceramic Capacitors
C0G
Capacitance tolerances
Code letter
Tolerance
J
K
(standard)
Dimensional drawing
b
s
±
5%
±
10%
**)
30+5
*)
h
ø0,50±0,05
e
*)
Lead length for bulk packaging
KKE0456-R-E
**)
Seating plane in acc. with IEC 600717
Dimensions (mm)
Lead spacing
Type
B37979N
= 2,5 +0,6/–0,1 mm
B37986N
Lead spacing
Type B37979G
= 5,0 +0,6/–0,1 mm
B37986G
h
max
b
max
s
max
5,5
5,0
2,5
6,5
5,0
2,5
h
max
b
max
s
max
5,5
5,0
2,5
6,5
5,0
2,5
Termination
h
s
Ceramic dielectric
Termination
Encapsulation
b
Metal layers
KKE0457-Z-E
154
10/02
DIY/Open Source Hardware
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