CMR03F121JOAM

Series:	CMR
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	120pF
Tolerance:	±5%
Voltage - Rated:	100V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.118" (3.00mm)
Features:	General Purpose
Size / Dimension:	0.272" L x 0.161" W (6.90mm x 4.10mm)
Height - Seated (Max):	0.220" (5.60mm)

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Mica and PTFE Capacitors
The CMR03F121JOAM is a popular mica and PTFE capacitor for applications ranging from dielectric and filtering to energy storage. This capacitor uses mica, a dielectric material, as its electrical insulation to provide high-temperature operation, while its capacitance is determined by the combined thickness and area of two sheets of mica dielectric. PTFE is used as the second, or dielectric, layer of the capacitor, which provides electrical insulation and high temperature resistivity.

To understand how the CMR03F121JOAM works, it’s important to understand the underlying fundamentals of capacitance. Capacitance is the measure of the ability of an electrical component to store an electric charge. Depending on the type of capacitor, capacitance is calculated by multiplying two variables together: the area of the capacitor and the relative permittivity, or capacitance, between the two plates. The CMR03F121JOAM uses two layers of mica and PTFE to create a variable capacitor whose area and permittivity can be adjusted to create different capacitance values.

As a capacitor, the CMR03F121JOAM has several applications in electronic circuitry. It can be used as a filter, decoupling, or cathode by-pass in both general-purpose linear and switching power supplies. It is also used in high-impedance applications as it has low inductance and high capacitance. For example, it can be used in audio preamplifiers and amplifiers to reduce noise and increase performance. In general, the CMR03F121JOAM is a versatile and robust capacitor capable of performing in a variety of conditions.

In addition to its many applications, the CMR03F121JOAM is also known for its durability. As a general-purpose capacitor, it can withstand temperatures up to 400°C and humidity ranging from 0-100%. This makes it suitable for a wide range of operating conditions. Furthermore, it is resistant to mechanical shock and vibration, and its short-term life is rated at 1 million hours, while its long-term life is rated at 500,000 hours.

In conclusion, the CMR03F121JOAM is a versatile and robust capacitor suitable for a wide range of applications. Its ability to operate in extreme temperatures, humidity, and vibration make it ideal for many circuit design applications. Its reliable performance and durability also contribute to its popularity in a wide range of industries. As such, the CMR03F121JOAM is an excellent choice for applications ranging from filtering and decoupling to energy storage.

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