CD15FD131JO3F

Series:	CD15
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	130pF
Tolerance:	±5%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.232" (5.90mm)
Features:	General Purpose
Size / Dimension:	0.461" L x 0.181" W (11.70mm x 4.60mm)
Height - Seated (Max):	0.370" (9.40mm)

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Mica and PTFE CapacitorsMica and PTFE capacitors are two of the most popular types of capacitors for a variety of different applications. They both have distinct advantages and disadvantages that should be considered when selecting a capacitor. Understanding the operation and properties of each type of capacitor can help to make an informed selection on the best solution.The CD15FD131JO3F is a mica capacitor with a voltage rating of ±3,000Vdc and a capacitance of 0.0015μF. Mica capacitors are constructed from two thin pieces of mica dielectric material. The two pieces of mica are separated by sheets of metal foil, and then encapsulated with a dampening epoxy material. The mica dielectric has high dielectric strength, low dielectric losses, and stable electrical properties. These characteristics make mica a preferred choice for high voltage applications such as high voltage AC and DC power supplies, pulse transformers, test equipment, switching regulators, and radio transmitters.PTFE capacitors use a polytetrafluoroethylene, or PTFE, film as the dielectric material. PTFE is a type of synthetic plastic material that exhibits low dielectric losses and excellent temperature stability. Due to these attributes, PTFE capacitors are a popular choice for many applications, such as signal conditioning circuits, amplifiers, and filters, as well as AC and DC power supplies. The CD22KP20ERFT is an example of a PTFE capacitor with a voltage rating of ±2,000 Vdc and a capacitance of 0.0020μF.In order to understand the differences between mica and PTFE capacitors, it is important to understand their working principles. Mica capacitors operate by storing energy within the mica dielectric material. When a voltage is applied to the capacitor, an electric field is created between the mica plates that causes the dielectric to become polarized. This creates an internal resistance to the electricity, causing a current to flow through the circuit. PTFE capacitors, on the other hand, use a very thin dielectric film coated with metal electrodes. This film acts as an insulator between the two electrodes, effectively blocking the electrical current. Therefore, PTFE capacitors store energy in a different way than mica capacitors.Mica and PTFE capacitors offer several important advantages over other types of capacitors. Firstly, both types exhibit very low levels of leakage current and dissipate very low amounts of heat. Secondly, they are relatively strong and resistant to temperature extremes and mechanical shocks. Thirdly, they have an excellent ability to store and release energy quickly, making them well-suited for use in high speed, high power applications. Finally, PTFE capacitors are much smaller in size than mica capacitors, providing a significant size advantage when space is limited.Mica and PTFE capacitors have some distinct disadvantages as well. Mica capacitors have a higher cost than other types of capacitors, making them less desirable for cost-sensitive applications. Additionally, mica capacitors can be more difficult to mount due to their large size. PTFE capacitors have a much lower capacitance value than mica capacitors, which limits their use in high voltage or high power applications. Additionally, PTFE capacitors are more sensitive to vibration, making them unsuitable for use in some environments.In conclusion, understanding the operation and properties of both mica and PTFE capacitors is important when selecting a capacitor for an application. Each type has its own advantages and disadvantages, so careful consideration of the requirements of the application should be taken into account when making a selection. In some cases, the specific types of capacitor must be evaluated in order to determine the best solution.

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