
28-6 Electrical Variables
TABLE 28.4 Characteristics of Common Capacitors
Capacitor
Types Range
Tolerance
(%)
Voltage
Range (V)
Temperature
Range (°C)
Temperature
Coecient
(ppm/°C)
Frequency
Range
Permittivity
(ε/ε
0
C
2
/N m
2
)
Dielectric
Strength
(C/C
0
)
Dissipation
Factor (%)
Insulation
Resistance
(MΩ/μF)
Typical
Average Failure
Rates
(Failper10
6
h)
Mica,
g
lass,
po
rcelain,
an
d
T
eon
0
.0133
M
ica 5 pF–0.01 μF 5 100–600 −55/125 −50 100 Hz–10
GHz
7.0 1000 0.001 2.5 × 10
4
Glass 5–1000 pF 5 100–600 −55/125 40 100 Hz–10
GHz
6.6 2500 0.001 10
6
Porcelain 100 pF–0.1 μF 5 50–400 −55/125 120 0.1 5 × 10
5
Teon 1000 pF–2 μF 10 50–200 −70/250 −200 0.04 5 × 10
6
Ceramic
Low
los ...