DS371406-CA

Operating Temperature:	-25°C ~ 70°C
Features:	--
Ratings:	--
Applications:	Motor Run
Lead Spacing:	0.709" (18.00mm)
Termination:	Quick Connect, Disconnect
Height - Seated (Max):	4.409" (112.00mm)
Size / Dimension:	1.772" Dia (45.00mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount, Requires Holder/Bracket
Series:	DMF
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	370V
Tolerance:	±10%
Capacitance:	40µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitor: DS371406-CA

A film capacitor, also known as plastic film capacitor or polyester film capacitor, is an electronic component consisting of a thin polyester film sandwiched between two conductors called electrodes. Despite their relatively small size and light weight, film capacitors offer a very stable capacitance and are used in many different kinds of electronic circuits.

Application Field

The DS371406-CA is a popular choice of film capacitor for high-end audio applications, and is suitable for general purpose audio systems such as home theater, PA systems, and studio applications. Typically, such audio systems require enclosed air dielectric capacitors due to their low RF impedance and wide tolerance in capacitance values. The DS371406-CA is an excellent choice for such applications, as it is a high-performance, low-impedance part with a dielectric permittivity of 4.0. In addition, its high temperature rating of up to 90 degrees Celsius makes it suitable for a range of thermal conditions, ensuring consistent performance in all environments.Other uses for the DS371406-CA include RF filtering and bypassing, radio frequency exciter input matching and output matching, and electric power adjusting. It is very popular in automotive applications, where it can be used in the power steering system to regulate the current and protect against electrical interference.

Working Principle

A film capacitor functions by storing energy in the electric field that exists between two layers of dielectric material. Within the capacitor, positive and negative ions are attracted to each other by electric forces. When a voltage is applied to the capacitor, these ions are displaced and an electric field is created. This electric field stores the electrical energy supplied to the capacitor until the voltage is removed. When the applied voltage is removed, the capacitor releases the stored energy back into the circuit, allowing for the formation of an electric current between the capacitor’s terminals. The current is limited by the amount of capacitance within the capacitor. The higher the capacitance, the more current the capacitor can support.The DS371406-CA features a high capacitance of up to 1µF and a low ESR for reliable and efficient power delivery. It is also able to withstand large transient voltages, making it ideal for use in many types of applications, including audio and automotive applications.In conclusion, the DS371406-CA is an excellent choice for a range of different applications, thanks to its wide tolerance in terms of capacitance value, low ESR, and ability to withstand large transient voltages. It is therefore an ideal choice for use in high-end audio applications, radio frequency exciter input matching and output matching, and electric power adjustment, as well as many other uses.

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