PEH200YY4470MB2

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	5.854" (148.70mm)
Size / Dimension:	3.606" Dia (91.60mm)
Lead Spacing:	1.260" (32.00mm)
Impedance:	9 mOhms
Ripple Current @ Low Frequency:	18.9A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	PEH200
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	29000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	16 mOhm @ 100Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	4700µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are electrical components which use the Aluminum as an anode and an electrolyte of organic solvent as the cathode. The physical working principle of this type of capacitor is based on the Faraday effect, wherein an electric field applied to a conductor generates a charge redistribution that creates a potential difference between the two electrodes. The Faraday effect arises due to the fact that electrons flowing through the capacitor create an electric field that causes charge redistribution, thus creating a potential difference between the two electrodes.The main application of Aluminum electrolytic capacitors is for the filtering and decoupling of alternating currents, as well as for signal processing, signal buffering and damping of high frequency transients.PEH200YY4470MB2 is a type of Aluminum electrolytic capacitor designed for power supply applications. This capacitor is rated 450 volts with a capacitance of 4µF, and has an ESR which is the equivalent series resistance which is 1.6 ohms. It is rated for 100kHz, and has an operating temperature range of -40 C to +105 C.The capacitor is constructed using an anode made of aluminum foil and an electrolyte which is made of organic solvent held in a solvent-permeable membrane and sealed within an aluminum case. In addition, the capacitor is fitted with end-plates made of stainless steel, which are then filled with an organic solvent to form an electric insulation layer. This ensures that no electric current is passed through the end-plates, which minimizes power loss and ensures long-term reliability.The working principle of the PEH200YY4470MB2 capacitor can be explained using the following steps:1. The electric charge at the anode is attracted by an electrostatic field created by an electric current in the electrolyte.2. This charge accumulation at the anode activates the Faraday Concrete, which increases the stored electric charge in the capacitor. This stored electric charge creates a potential difference between the two electrodes.3. As the capacitor becomes positively charged, the electric current passes the capacitor and charges the anode.4. The electric current continues to pass through the capacitor thus storing the charge and creating the potential difference across the two electrodes.In general, the capacitor works in the same way as a basic resistor, except that the capacitor imposes a capacitance or reactance that opposes the flow of electric current dependent on the frequency of the signal. The higher the frequency of the signal, the greater the reactance and thus the more the current is opposed. This helps to filter or reduce the level of high frequency noise signals that may otherwise be present in the input signal. In addition, the capacitor helps to reduce the voltage spikes and transients which may be present during the operation of the power supply.The PEH200YY4470MB2 capacitor is mainly used in audio equipment, in power supplies and in other high-frequency applications, such as digital signal processing. It can also be used as a bypass capacitor in power supply designs, where it helps to reduce the ripple and ensure a smooth DC output.

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