What is the capacitance range of a polyester capacitor?
47nF to 2.2μF
Polyester (Dipped 250V)
| Specifications: | |
|---|---|
| Capacitance Range | 47nF to 2.2μF |
| Time Constant | ≥2500 Sec. (V>100Vdc, C>330nF) ≥1250 Sec. (V=100Vdc, C>330nF) |
| Dissipation Factor | 1% at 1KHz |
| Body Colour | Orange |
Do capacitors have tolerance?
All capacitors have a tolerance rating that can range from -20% to as high as +80% for aluminium electrolytic’s affecting its actual or real value. The choice of capacitance is determined by the circuit configuration but the value read on the side of a capacitor may not necessarily be its actual value.
How do you find the tolerance of a capacitor?
Read the tolerance code on ceramic capacitors.
- B = ± 0.1 pF.
- C = ± 0.25 pF.
- D = ± 0.5 pF for capacitors rated below 10 pF, or ± 0.5% for capacitors above 10 pF.
- F = ± 1 pF or ± 1% (same system as D above).
- G = ± 2 pF or ± 2% (see above).
- J = ± 5%.
- K = ± 10%.
- M = ± 20%.
What is tolerance of capacitor?
Tolerance: The expected variations around the given capacitance – in other words, how close the real capacitance will stay to the designated capacitance. Polarization: By design, some capacitors can accept voltage in only one polarity (otherwise you risk destroying the device).
How much voltage can a capacitor hold?
Maximum Voltage – Every capacitor has a maximum voltage that it can handle. Otherwise, it will explode! You’ll find max voltages anywhere from 1.5V to 100V. Equivalent Series Resistance (ESR) – Like any other physical material, the terminals on a capacitor have a very tiny amount of resistance.
What is a polyester capacitor?
Polyester film capacitors are a type of capacitor (devices made of one or more pairs of conductors separated by an insulator, used to store an electrical charge), where the polyester film (PET) is used as the insulation material. Compared to other capacitors, polyester has great benefits.
Where are polyester capacitors used?
Polyester capacitors are mostly used in general purpose board level applications such as blocking, bypassing, decoupling, and some noise suppression circuits. Polypropylene is commonly used in the construction of capacitors for high frequency AC applications.
How does a polyester capacitor work?
Polyester capacitors use layers of metal and polyester or Mylar dielectric to make a wide range of capacitance values but normally within a relatively small package and for low voltages. The use of “rolled” film layers lead to high dissipation and capacitance vs. temperature problems.