MC12EF300G-F

Series:	MC
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	30pF
Tolerance:	±2%
Voltage - Rated:	1kV
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	1210 (3225 Metric)
Lead Spacing:	--
Features:	RF, High Q, Low Loss
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.079" (2.00mm)

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Mica and PTFE Capacitors are capacitor components that generally range from 1pF to 1KV and beyond. The MC12EF300G-F is a mica and PTFE capacitor designed to operate at an overall temperature of -10 to +250 Celsius. It has a body size of 36x14.8mm. It has an operating voltage range of 300V and a capacitance of 12pF.The main principle of the mica and PTFE capacitor is to store electrostatic energy that is generated when two plates of different materials, such as metal, paper, or mica, are placed in close proximity. This energy is called capacitance. When a voltage is applied, the two plates become positively or negatively charged, depending on the applied voltage. This creates an electrostatic field which stores the energy.The MC12EF300G-F is composed of two thin sheets of mica, each sheet being dielectrically insulated by PTFE or ‘polytetrafluoroethylene’, a thermally stable fluoropolymer. The mica increases the dielectric strength and the PTFE acting as a separating layer between the two mica layers. The electrical connection is made by soldering two pieces of silver foil to each mica sheet, and the whole assembly is then molded and compressed into the required shape.The MC12EF300G-F can be used as a DC blocking capacitor in power supplies and line filters, as the voltage critical dielectric mica and PTFE will block any DC potential from passing through. The MC12EF300G-F has a very high temperature coefficient of capacitance, meaning that it will maintain a consistent capacitance value over a wide range of temperatures. This makes the device very stable and reliable. It also has low losses and a low dissipation factor, making the capacitor suitable for use in high-frequency applications such as voltage dividers and high-speed converters.The MC12EF300G-F is also well suited for decoupling applications, as the low losses and a low dissipation factor allow for less accumulated charge and a faster response. The low ESR of the device also makes it suitable for bypassing AC signals in switch mode power supplies, ensuring that spikes and surges are kept to a minimum.Overall, the MC12EF300G-F is a great device to have in your arsenal of components, as its efficient capacitance capabilities make it well suited for a variety of applications. With its low losses, high temperature coefficient of capacitance, and low ESR, you can be sure that your application is in good hands.

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