DCM742T200DF2B

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	5.687" (144.45mm)
Size / Dimension:	3.000" Dia (76.20mm)
Lead Spacing:	1.250" (31.75mm)
Applications:	General Purpose
Ratings:	--
Polarization:	--
Series:	DCM
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	-10%, +50%
Capacitance:	7400µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in electronic circuits due to their high capacitance per unit volume and long life. The DCM742T200DF2B is one of the most commonly used aluminum electrolytic capacitors in the market, and it has its own unique application field and working principle.The DCM742T200DF2B is a type of polar aluminum electrolytic capacitor, which has a polarity marking on its body indicating its correct installation direction. It has a rated capacitance range of 200 μF and a voltage range of 200 V. It features a very low equivalent series resistance (ESR) of 0.02 Ω and a high temperature range of +105 degrees Celcius.The DCM742T200DF2B capacitor is designed to work in high frequency switching applications, such as DC-to-DC converters, motor drives, and other power electronics applications. It’s also suitable for use in high ripple current applications, like switch-mode power supplies (SMPS), and can occasionally be found in low-voltage audio power amplifiers.The working principle of the DCM742T200DF2B is based on the formation of a thin oxide film on the surface of an anodized aluminum foil. The foil acts as one of the electrodes, and a wet electrolyte is used as the second electrode. When the capacitor is in use, current flows between the two electrodes and charges the capacitor, generating a voltage.The oxide layer provides the “dielectric” in the capacitor, which is responsible for its capacitance. The thinner the oxide layer, the higher the capacitance, and vice versa. The DCM742T200DF2B has an oxide layer of 0.45 µm thick, which ensures its high capacitance to voltage ratio and enhances its operating life.The DCM742T200DF2B capacitor is highly durable thanks to its high temperature range and excellent temperature performance. It also features an epoxy resin coating around the anode and cathode, providing superior corrosion resistance. As such, the DCM742T200DF2B is suitable for applications where high voltage and high temperature are expected.In sum, the DCM742T200DF2B aluminum electrolytic capacitor is a great choice for high frequency switching applications, including SMPS, motor drives, and other power electronics circuits. With its high-temperature rating, low ESR, and high capacitance to voltage ratio, it provides excellent performance and reliability.

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