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31
VJ High Q Dielectric
Vishay Vitramon
Document Number 45050
Revision 06-Apr-01
FEATURES
•COG is an ultra-stable dielectric offering a Temperature
Coefficient of Capacitance (TCC) of 0 ± 30PPM/°C over
the entire temperature range.
•Low Dissipation Factor (DF).
•Ideal for critical timing and tuning applications.
Multilayer Ceramic Chip Capacitors
GENERAL SPECIFICATIONS
NOTE: Electrical characteristics @ + 25°C unless otherwise
specified.
Capacitance Range: 1.0pF to 680pF.
Temperature Coefficient of Capacitance (TCC):
0 ± 30PPM/°C from - 55°C to + 125°C.
Dissipation Factor (DF):
0.1% maximum @ 1.0 Vrms and 1kHz for values > 1000pF.
0.1% maximum @ 1.0 Vrms at 1MHz for values ≤ 1000pF.
Insulation Resistance (IR):
@ + 25°C and rated voltage 100,000 Megohms minimum
or 1000 ohm-farads, whichever is less.
@ + 125°C and rated voltage 10,000 Megohms minimum
or 100 ohm-farads, whichever is less.
Dielectric Withstanding Voltage (DWV):
250% of rated voltage for 5 ± 1 seconds, 50 milliamps
current maximum.
ORDERING INFORMATION
T
PACKAGING
T = 7" Reel, plastic tape
C= 7" Reel, paper tape
R= 11 1/4" Reel, plastic tape
P = 11 1/4" Reel, paper tape
B = Bulk
NOTE: 0402 and 0603
available in paper tape only
VJ
PRODUCT
SERIES
VJ = MLCC
0805
CASE
SIZE
0603
0805
1206
1210
Q
DIELECTRIC
Q = High Q
Expressed in picofarads (pF).
The first two digits are
significant, the third is a
multiplier. An “R” indicates a
decimal point.
Examples: 102 = 1000pF.
1R8 = 1.8pF.
102
CAPACITANCE
NOMINAL CODE
K
CAPACITANCE
TOLERANCE
C= ± 0.25pF (1 to 25pF)
D= ± 0.5pF (1 to 50pF)
F= ± 1% (≥ 10pF)
G= ± 2% (≥ 5pF)
J= ± 5% (≥ 2pF)
K= ± 10% (≥ 1pF)
X
TERMINATION
X = Nickel barrier
with 100% tin
plated finish
F = Palladium silver
A
DC
VOLTAGE
RATING
A = 50V
B = 100V
C = 200V
A
MARKING
A = Unmarked
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32
VJ High Q Dielectric
Vishay Vitramon
Document Number 45050
Revision 06-Apr-01
HIGH Q DIELECTRIC
STYLE
E.I.A. TYPE
VOLTAGE (VDC)
VJ1210
1210
VJ1206
1206
50
VJ0603
0603
100
VJ0805
0805
100 200
Capacitance
pF
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
50 100 200 50 100 200
50—
Capacitance
Code
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
561
681
821
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33
VJ High Q Dielectric
Vishay Vitramon
Document Number 45050
Revision 06-Apr-01
HIGH Q - DIELECTRIC TYPICAL PARAMETERS
1
0.1
0.01
100 1000
180pF
680pF
-75 -50 -25 0 25 50 75 100 125
10000
1000
100
10
1100 1000
10
1
0.1
1 10 100 1000
2.0
1.5
1.0
0.5
0.0
- 0.5
- 1.0
- 1.5
- 2.0
HIGH Q 1210
0805
TEMPERATURE COEFFICIENT OF CAPACITANCE
% CAPACITANCE CHANGE
RESONANT FREQUENCY (GHz)
TEMPERATURE °C CAPACITANCE (pF)
SERIES RESONANT FREQUENCY - HIGH Q
0603
1206
100pF
10pF
1000
100
10
100 1000
680pF 180pF
100 1000
10000
1000
100
10
1
10pF
100pF
1
0.1
0.01
100 1000
ESR vs FREQUENCY - VJ0805, 50V
10pF
100pF
1
0.1
0.01
100 1000
10pF
100pF
ESR vs FREQUENCY - VJ1206, 50V
FREQUENCY (MHz)
FREQUENCY (MHz)
ESR vs FREQUENCY - VJ1210, 50V
ESR (Ω)ESR (Ω)ESR (Ω)
Q vs FREQUENCY - VJ0805, 50V
Q
FREQUENCY (MHz)
Q vs FREQUENCY - VJ1206, 50V
Q
FREQUENCY (MHz)
Q vs FREQUENCY - VJ1210, 50V
Q
FREQUENCY (MHz) FREQUENCY (MHz)
