B32537B5105K

Series:	B32537
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	1µF
Tolerance:	±10%
Voltage Rating - AC:	20V
Voltage Rating - DC:	50V
Dielectric Material:	Polyester, Polyethylene Terephthalate (PET), Metallized
Operating Temperature:	-55°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	Axial
Size / Dimension:	0.291" Dia x 0.728" L (7.40mm x 18.50mm)
Height - Seated (Max):	--
Termination:	PC Pins
Lead Spacing:	--
Applications:	--
Ratings:	--
Features:	--

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Film capacitors, also known as plastic film capacitors, are manufactured by winding two precut foil electrode strips together and coating them with a dielectric material such as polypropylene, polyester, polystyrene, FEP, PTFE or Teflon. They are then plastic-encapsulated with a molded form to protect against physical damage and electrical shocks. Film capacitors are used in a wide range of electrical and electronic devices for power conditioning, signal filtering, and energy storage in both AC and DC systems.B32537B5105K is a polypropylene film capacitor designed specifically for DC blocking applications in power supplies and audio crossover networks. It is a radial leaded, molded, bipolar electrolytic capacitor with a cylindrical body and a built-in capacitor current-limiting element. The characteristics of this series of capacitors are high ripple current and high ripple energy capabilities, as well as excellent filtering performance. The B32537B5105K can be obtained in different values for operating voltages from 63V to 350V.The B32537B5105K capacitor provides superior performance due to its flat leakage current and high ESR. It has low ESR and ESL at ripple currents and low impedance at frequencies above 200 kHz. The capacitor is very stable under varying temperature and humidity conditions and its dielectric constant is very high for a polypropylene film capacitor. Since the B32537B5105K has a built-in current-limiting element, it can also be used in power supplies that use negative output voltages.The B32537B5105K is a DC blocking capacitor that is used mainly to reduce stray capacitance between the output and input of a power supply or audio crossover network. It prevents the DC voltage from being transmitted through the filter and ensures that only the desired AC signal is passed. As an application example, it can be used to prevent noise spikes at power supply outputs and reduce ripple currents in audio crossover networks.The B32537B5105K is composed of a cylindrical body made out of aluminum and a dielectric in the form of polypropylene film. The two aluminum electrodes are wound into a cylindrical shape with a uniform interleaved layer of the dielectric material in between them. The core of the device is saturated with electrolyte to ensure maximum reliability. The capacitor operation is based on the two capacitor plates being charged with opposite polarity through the winding connections when a DC voltage is applied across them. The dielectric in between the plates acts as an insulator and prevents the current from flowing through them, allowing only AC signals to be passed. The capacitance of the B32537B5105K is very high for a polypropylene film capacitor, making it excellent for its DC blocking applications.The B32537B5105K capacitor is particularly suitable for power supplies, transformerless amplifiers, and surge protection applications due to its high capacitance and low ESR and ESL. It is highly reliable and resistant to mechanical and electrical shocks. The capacitor also offers high temperature resistance and is suitable for use in high temperature environments.In conclusion, the B32537B5105K is a polypropylene film capacitor that is designed for DC blocking applications in power supplies and audio crossover networks. It provides superior performance, with low ESR and ESL at ripple currents and high capacitance for its size. The capacitor is highly reliable and resistant to shocks, and is suitable for use in high temperature environments.

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