ESMQ251VSN102MQ45S

Series:	SMQ
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Capacitance:	1000µF
Tolerance:	±20%
Voltage - Rated:	250V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-25°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	3.32A @ 120Hz
Ripple Current @ High Frequency:	4.98A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Height - Seated (Max):	1.772" (45.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic CapacitorsAluminum Electrolytic Capacitor (AEC) is the most commonly used type of electrolytic capacitor. It is the capacitance of a capacitor based on the size in electrical feet applied to the capacitor in a electrolytic tank. It is composed of a solid, non-metallic aluminum dielectric, two current-conducting electrodes, an electrolyte, and an anode. AECs are typically used to store energy, improve signal integrity, and provide protection against voltage spikes. They are also used as variable components since their capacitance can be controlled by varying the composition of the electrolyte.The ESMQ251VSN102MQ45S is a type of AEC. ESMQ stands for “electrolytic capacitor with screw-in” and is a design feature that provides reliable termination of the capacitor in its housing. The numbers 251VSN102MQ45AN represent its parameters: voltage rating, capacitance reactance, capacitance, and module type. The ESMQ251VSN102MQ45S is designed for high ripple and high frequency operation, making it suitable for motor controls, electron beam unit control, light dimmers, and switching power supply applications.AECs work by storing an electric charge when a voltage is applied across its two terminals. The dielectric material of an AEC consists of two layers: a thin layer of an insulating material and an oxide layer, which doubles as the barrier to the capacitor\'s electrodes. In the electrolytic process, the oxide dielectric layer continuously grows as an electrical charge cycles through the capacitor, which is why it has a very large capacitance compared to other capacitors. When a voltage is applied, the oxide layer begins to form and the electrodes begin to polarize. This polarization creates an electric field between the two surfaces, which encourages electron transfer in the direction of the more positive plate. When the voltage is released, the oxide layer attempts to re-establish its original shape, which results in an electric current returning from the negative plate to the positive plate.In addition to its wide range of applications, the ESMQ251VSN102MQ45S is notable for its high ripple-current rating, temperature stability, and life expectancy. These characteristics make it suitable for use in harsh environments. Its large capacitance also makes it ideal for low-frequency applications such as audio-amplifier circuits, power-supply filtering, and surge-protection circuits.In conclusion, the ESMQ251VSN102MQ45S is an aluminum electrolytic capacitor with a wide range of applications and advantages. Its high ripple-current rating, temperature stability, and life expectancy make it suitable for use in many electronic devices and applications.

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