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Capacitor Comparison Chart

TYPE TYPICAL
DIELECTRIC
ABSORPTION
ADVANTAGES DISADVANTAGES
NPO ceramic <0.1% Small case size
Inexpensive
Good stability
Wide range of values
Many vendors
Low inductance
DA generally low, but may not be specified
Limited to small values (10 nF)
Polystyrene 0.001%
to 0.02%
Inexpensive
Low DA available
Wide range of values
Good stability
Damaged by temperature > +85°C
Large case size
High inductance
Polypropylene 0.001%
to 0.02%
Inexpensive
Low DA available
Wide range of values
Damaged by temperature > +105°C
Large case size
High inductance
Teflon 0.003%
to 0.02%
Low DA available
Good stability
Operational above +125°C
Wide range of values
Relatively expensive
Large size
High inductance
MOS 0.01% Good DA
Small
Operational above +125°C
Low inductance
Limited availability
Available only in small capacitance values
Polycarbonate 0.1% Good stability
Low cost
Wide temperature range
Large size
DA limits to 8-bit applications
High inductance
Polyester 0.3%
to 0.5%
Moderate stability
Low cost
Wide temperature range
Low inductance (stacked film)
Large size
DA limits to 8-bit applications
High inductance
Monolithic ceramic
(High K)
>0.2% Low inductance
Wide range of values
Poor stability
Poor DA
High voltage coefficient
Mica >0.003% Low loss at HF
Low inductance
Very stable
Available in 1% values or better
Quite large
Low values (<10 nF)
Expensive
Aluminum electrolytic High Large values
High currents
High voltages
Small size
High leakage
Usually polarized
Poor stability
Poor accuracy
Inductive
Tantalum electrolytic High Small size
Large values
Medium inductance
Quite high leakage
Usually polarized
Expensive
Poor stability
Poor accuracy


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