TECHNICAL SUMMARY
DIELECTRIC COMPARISONS
Features
Dielectric Type
Temperature Coefficient
Operating Temp. Range
Dissipation Factor
Aging Rate
Voltage Range
Standard Tolerance
Coefficient of Thermal
Expansion @ 25ºC
Ultra Stable
C0G (NPO)
0 ±30ppm/ºC
-55 to +200ºC
0.1% max.
None
25 to 20k VDC
J, K, M
9 X 10-6 IN/IN ºC
Semi-Stable
High Voltage
X7R
±15%
-55 to +125ºC
2.5% max.
-2.0% max/dec. hour
50 to 50k VDC
K, M, P, Z
11 X 10-6 IN/IN ºC
Semi-Stable
Hi-Temp
X7R type
+15/-40%
-55 to +200ºC
2.0% max.
-2.0% max/dec. hour
25 to 4k VDC
K, M, P, Z
11 X 10-6 IN/IN ºC
Temp/Volt
Dependent
X5U
+22-56%
-55 to +125ºC
2.5% max.
-2.0% max/dec. hour
Up to 20K VDC
M, P, Z
11 X 10-6 IN/IN ºC
TYPICAL INSULATION RESISTANCE VS. TEMP (C°)
FOR C0G, NPO & X7R DIELECTRICS
10,000.00
Ohm-Farads
1,000.00
100.00
10.00
25
75
125
175
TEMP (°C)
225
275
325
4
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