BLC450J701B4E

ESR (Equivalent Series Resistance):	3.6 mOhms
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering
Lead Spacing:	2.067" (52.50mm)
Termination:	PC Pins
Height - Seated (Max):	1.772" (45.00mm)
Size / Dimension:	2.264" L x 1.181" W (57.50mm x 30.00mm)
Package / Case:	Radial - 4 Leads
Mounting Type:	Through Hole
Operating Temperature:	-45°C ~ 85°C
Series:	BLC
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	700V
Voltage Rating - AC:	230V
Tolerance:	±5%
Capacitance:	45µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors
A film capacitor, also known as a plastic film capacitor, is an electronic component that stores electrical energy. Film capacitors are built using a thin film of plastic, paper or liquid electrolyte, sandwiched between two plates of metal or an electrode and an electrical conductor. The design of the capacitor determines its electrical characteristics and performance. Film capacitors are used in a broad range of applications, and can be found in many modern electronic devices.The BLC450J701B4E film capacitor is a general-purpose film capacitor with a range of ratings and specifications suitable for audio applications. It is constructed using a Film/Foil structure, which consists of two metal foil electrodes, separated by a thin film of polyester material. The capacitor has a class X2 safety rating, providing protection against electric shock and fire. The BLC450J701B4E is rated for voltage up to 250V AC, which makes it suitable for a variety of applications including across-the-line and line-by-line protection.The working principle of the film capacitor is relatively simple. When an AC voltage is applied to the two electrodes of the capacitor, a current is generated that passes through the film and charges the capacitor. The current passes from one electrode to the other, generating an electric field in the process. This electric field accumulates a certain amount of energy in the capacitor, which is stored for later use.Film capacitors can be found in a wide range of applications. They are commonly used in AC power supplies, as they can hold back a surge in current. They are also commonly used in audio applications as they are ideal for filtering and shaping desired frequencies. They are an essential component in modern electronic devices such as computers, cell phones and audio equipment. Additionally, they can be found in a variety of medical instruments, where their low-voltage capabilities are especially useful.Film capacitors have several advantages over other types of capacitors. They are known for their low internal resistance and high capacitance, making them well suited for circuits requiring high signal-to-noise ratios. They are also often much smaller than other types of capacitors, making them easier to install in tight spaces. Additionally, some film capacitors are designed to withstand harsh environmental conditions, making them well suited for use in outdoor or extreme temperature applications.In conclusion, film capacitors are a type of electronic component used in a broad range of applications. The BLC450J701B4E is a general-purpose capacitor suitable for audio applications, offering a class X2 safety rating, a voltage rating of up to 250V and a range of other features. The working principle of the film capacitor is relatively simple, as it consists of two metal foil electrodes, separated by a thin plastic film, through which an electric field accumulates. Film capacitors offer several advantages over other types of capacitors, and can be found in a variety of applications, including power supplies and audio equipment.

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