UWT1H2R2MCR2GB

Series:	UWT
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	2.2µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	9mA @ 120Hz
Ripple Current @ High Frequency:	13.5mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.118" Dia (3.00mm)
Height - Seated (Max):	0.213" (5.40mm)
Surface Mount Land Size:	0.130" L x 0.130" W (3.30mm x 3.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Introduction

Aluminum electrolytic capacitors are widely used in certain electrical and electronic applications due to their relatively high capacitance and voltage rating. Among the different types of aluminum electrolytic capacitors, the UWT1H2R2MCR2GB is particularly interesting due to its long lifespan and small size. This article discusses the working principle and application field of the UWT1H2R2MCR2GB.

Working Principle of UWT1H2R2MCR2GB

The UWT1H2R2MCR2GB utilizes a modified construction to achieve its long lifespan. Like standard aluminum electrolytic capacitors, it contains a tightly wound anode and a porous cathode. The difference lies in the construction of the anode. The anode in the UWT1H2R2MCR2GB is built from a high-surface-area anode made of aluminum foil with a particular microstructure that allows the capacitor to support a much higher ripple current. The porous cathode is connected to a highly conductive liquid electrolyte that provides a path for electrons and ion transfer between the anode and the cathode. The UWT1H2R2MCR2GB is specially designed to operate at high temperature ranges and high ripple currents. Its behavior is based on the principle of faradaic charge transfer. When an electrical voltage is applied to the capacitor, positive ions migrate from the anode to the cathode and negative ions migrate from the cathode to the anode. This ion exchange creates an electrical current in the capacitor, where a portion of the current is rejected by the reactance of the circuit. This rejected current circulates inside the capacitor, creating a repulsive field that prevents any further migration of ions. The capacitors also feature a rubber sealant along their edges to prevent internal leakage of the electrolyte.

Application Field of UWT1H2R2MCR2GB

The UWT1H2R2MCR2GB is primarily used in applications that require electric current with high power and/or temperature ranges. They are generally used in digital circuits, motor control systems, and other power management applications such as over-current protection and surge suppression.Because of its long lifespan, the UWT1H2R2MCR2GB is often used for extended-life applications such as aerospace, energy storage systems, and medical equipment. The device is also capable of providing higher energy densities than other types of aluminum electrolytic capacitors, making it particularly attractive for low-volume, high-temperature applications. The UWT1H2R2MCR2GB can also be used for automotive applications. Due to its compact size and high temperature endurance, it can be used in engines, power systems, and safety systems. Its long life and reliable performance make it particularly suitable for automotive applications where a power source needs to be maintained for a long period of time.

Conclusion

The UWT1H2R2MCR2GB is a type of aluminum electrolytic capacitor designed for applications with high power and/or temperature ranges. It features a high-surface-area anode with a microstructure that allows the device to tolerate a much higher ripple current. The capacitors are often used for digital circuits, motor control systems, and power management applications. They are also used for extended-life applications such as aerospace and energy storage systems, and automotive applications where high temperature endurance and long life is required.

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