X7S Dielectric
General Specifications
GENERAL DESCRIPTION
X7S formulations are called “temperature stable” ceramics and
fall into EIA Class II materials. Its temperature variation of
capacitance s within ±22% from –55°C to +125°C. This
capacitance change is non-linear.
Capacitance for X7S varies under the influence of electrical
operating conditions such as voltage and frequency.
X7S dielectric chip usage covers the broad spectrum of
industrial applications where known changes in capacitance due
to applied voltages are acceptable.
PART NUMBER (see page 2 for complete part number explanation)
1206
Size
(L" x W")
Z
Voltage
4 = 4V
6 = 6.3V
Z = 10V
Z
Dielectric
Z = X7S
105
Capacitance
Code (In pF)
2 Sig. Digits +
Number of
M
Capacitance
Tolerance
K = ±10%
M = ±20%
A
Failure
Rate
A = N/A
T
Terminations
T = Plated Ni
and Sn
2
Packaging
2 = 7" Reel
4 = 13" Reel
7 = Bulk Cass.
A
Special
Code
A = Std.
Product
Y = 16V
Zeros
3 = 25V
5 = 50V
1 = 100V
2 = 200V
NOTE: Contact factory for availability of Tolerance Options for Specific Part Numbers.
TYPICAL ELECTRICAL CHARACTERISTICS
X7 S Dielectric
10
5
0
-5
-10
-15
-20
Typical Temperature Coefficient
+30
+20
+10
0
-10
-20
Capacitance vs. Frequency
10,000
1,000
100
Insulation Resistance vs Temperature
-25
-60 -40 -20
0 20 40 60 80 100 120 140
Temperature ( ° C)
-30
1KHz
10 KHz
100 KHz
Frequency
1 MHz
10 MHz
0
0
20
40 60 80
Temperature ° C
100
120
Variation of Impedance with Cap Value
Impedance vs. Frequency
1,000 pF vs. 10,000 pF - X7S
0805
Variation of Impedance with Chip Size
Impedance vs. Frequency
10,000 pF - X7S
Variation of Impedance with Chip Size
Impedance vs. Frequency
100,000 pF - X7S
10
10.00
1,000 pF
10,000 pF
10
1206
0805
1210
1206
0805
1210
1.0
1.00
1.0
0.10
0.1
0.1
0.01
10
100
1000
.01
1
10
100
1,000
.01
1
10
100
1,000
Frequency, MHz
Frequency, MHz
Frequency, MHz
21
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