ECE-T2WA821EA

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In - 4 Lead
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	3.150" (80.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.886" (22.50mm)
Ripple Current @ High Frequency:	3.78A @ 10kHz
Ripple Current @ Low Frequency:	2.7A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	T-HA
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	202 mOhm
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are an essential component of both AC and DC electrical systems. They are used in power supplies, communication systems, motor control circuits, and other applications that require reliable long-term energy storage. The ECE-T2WA821EA is one example of such a capacitor, and its application field and working principle should be understood for proper operation and maintenance.The ECE-T2WA821EA is a rectangular aluminum electrolyte capacitor with a range of capacitance values, rated current, and operating temperature. It is often used for audio and power-supply circuits, where its combination of low available voltage and long-term reliability make it an ideal choice. Its responsive low-frequency response make it well suited for high power audio applications.The ECE-T2WA821EA has an operating temperature range of -25°C to 105°C, and features a ripple-current-resisting function. This allows it to function reliably with minimal aging or degradation of its capacitance over time, making it suitable for long-term applications in remote or harsh environments. The capacitor also features a long work life cycle, allowing it to be used without frequent replacement. With a rated voltage capability of 450V, it can be used in high-voltage circuits where components must be able to reliably resist higher potentials.The ECE-T2WA821EA\'s working principle is based on the release and absorption of charged ions between a pair of dissimilar metal layers that form a stored electrical charge in their interface. This is done through a process known as electrolysis, which relies on the movement of ions within the capacitor’s electrolyte solution during current flow. The capacitor’s stability and performance depend on the characteristics of its constituent metals and electrolyte, and the process of electrolysis creates an electrochemical reaction between them.The effect of this electrochemical reaction is that, when the capacitor is in use, an electrical charge builds up between the capacitor’s plates, with a decrease in potential energy when the initial buildup has subsided. This energy is stored until the capacitor is discharged and the reaction reverses itself. The size and strength of the capacitance then depend on the thickness and surface area of the metal layers, as well as on the amount and type of electrolyte in the capacitor.To conclude, the ECE-T2WA821EA is a reliable and versatile aluminum electrolytic capacitor. Its combination of low capacity, high current rating, and wide operating temperature range make it well suited for a variety of applications, especially in audio and power-supply circuits. Its working principle is based on the movement of ions within a solution, creating an electrochemical reaction between the capacitor’s metal layers that stores electrical charge. These qualities make it ideal for use in remote or harsh environments, giving users the assurance of long-term energy storage.

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