B32537B2475K

Operating Temperature:	-55°C ~ 85°C
Features:	--
Ratings:	--
Applications:	--
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.500" Dia x 1.339" L (12.70mm x 34.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	B32537
Dielectric Material:	Polyester, Polyethylene Terephthalate (PET), Metallized
Voltage Rating - DC:	160V
Voltage Rating - AC:	60V
Tolerance:	±10%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction
Film capacitors, so named due to its usage of existing thin plastic film as a medium for its capacitive properties, are widely used in a variety of applications, including power electronics, low noise audio, electronic motor controls, and telecommunications. The B32537B2475K is one such type of film capacitor, providing high voltage, reliable power on the long term, and with low outgassing risks.

B32537B2475K Application Field
The B32537B2475K film capacitor is widely used in telecommunications applications due to its high voltage and reliability. The film capacitor provides protection for the transmission line from electrical surges, such as lightning, which can damage expensive electronic equipment installed on landlines. The B32537B2475K also has a high working temperature range, making it suitable for deployment in extreme conditions.
In low noise audio applications, the B32537B2475K can effectively reduce AC ripple, resulting in an improved listening experience. As the capacitor filters high-frequency noise, more detail and better sound clarity can be achieved. The capacitors are also highly effective at dampening oscillations, improving overall sound quality. The B32537B2475K is also widely employed in power electronic applications. Its stability and long-term reliability makes it increasingly popular for switching power supplies, motor inverters, and UPS (uninterruptible power supply) systems. As these systems require continuous power output in order to function, the B32537B2475K provides this stability with minimal energy consumption. The low outgassing risk also makes it suitable for deployment in certain hazardous location applications.

B32537B2475K Working Principle
The B32537B2475K is a self-healing film capacitor, meaning it possesses the ability to restore itself after it has undergone a surge or other interruptions. This is due to its use of an organic varnish as the dielectric, hence possessing strong self-healing properties. The capacitor also features an internal safety element and an adjustable end-of-life indicator. In order to work, the capacitor employs a thin film, created by chemical deposition, as a medium for its capacitive properties. The film is connected to the two metal electrodes, which serve as the electrical connections between the capacitor and the external circuit. The dielectric is then placed over the film and between the electrodes, where it acts as an insulation barrier between the two electrodes. The dielectric helps to prevent electrical current from flowing directly between the two electrodes, thus creating an electrical charge on the capacitor. The charge that is created is the capacitor’s primary source of energy and this energy is released whenever the capacitor is connected to the external circuit. The capacitor then acts as a filter, allowing the AC signals to pass through while blocking the DC signals. This filtered AC voltage is then passed on to the external circuit.

Conclusion
The B32537B2475K film capacitor is an ideal solution for those seeking reliable, long-term power and stability. Its wide working temperature range makes it suitable for deployment in extreme conditions and the included self-healing technology makes it an ideal choice for hazardous locations. The capacitor also features an internal safety element and adjustable end-of-life indicator, further enhancing its longevity and reliability.

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