MC12ED270J-TF

Series:	MC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	27pF
Tolerance:	±5%
Voltage - Rated:	500V
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 CapacitorsMica is a naturally occurring silicate mineral composed of various components, therefore it is considered to be an inexpensive and abundant material for capacitors. The mica can be used with a variety of other materials to create different capacitor configurations and packages. PTFE (polytetrafluoroethylene) is a synthetic material that is highly heat and chemical resistant and is used commonly as a dielectric in capacitors.The MC12ED270J-TF capacitor is a common example of a mica and PTFE combination. It is a non-polarized capacitor which is used for dc-blocking applications. The capacitor has a low-capacity of 0.27 uF and in a two-piece polyester bag case. The capacitor utilizes two distinct parts; a mica dielectric, and a PTFE sealant. The mica dielectric ensures high frequency response with very low losses and the PTFE sealant helps protect the end-plates from mechanical damage.These types of capacitors tend to perform better than the ceramic types, both in terms of their temperature coefficient and their dissipation factor. As such, they are used in a variety of critical circuits where high temperature performance or stability is needed. Examples of applications where MC12ED270J-TF capacitors are commonly used include in radio receivers, transmitters, and audio amplifiers. They are also widely used in engine control modules, medical imaging equipment, automotive electronics, power inverters and other industrial electronics. In terms of working principle, the MC12ED270J-TF capacitor utilizes the principles of capacitance, the ability of a material to store an electrical charge, and impedance, which is the opposition to the flow of an alternating current (AC). When an AC signal is applied to a capacitor, a current flow is generated which charges the capacitor. This charge is then stored by the capacitor until the next cycle of the AC signal, when the process is repeated. This way, the capacitor can act as a high pass filter, allowing the high frequency components of the signal to pass through and blocking the lower frequencies.The MC12ED270J-TF capacitor is available in a variety of sizes and voltages, ranging from 6V to 200V. The capacity of the capacitor is a function of the size of the plates and the dielectric material used. The construction of the capacitor must be such that the dielectric material does not affect the performance of the capacitor. It should also be noted that the capacitors are prone to breakdown when exposed to high voltages and must be monitored closely when operating in such environments. Overall, the MC12ED270J-TF capacitor is a reliable and cost effective solution for high frequency applications. Due to its combination of mica and PTFE materials, it offers superior performance when compared with other types of capacitors. The advantages of the MC12ED270J-TF capacitor include excellent high frequency response, superior temperature coefficient performance, and increased stability.

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