UWS1A151MCL1GS Capacitors

Series:	UWS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	150µF
Tolerance:	±20%
Voltage - Rated:	10V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	--
Ratings:	--
Applications:	High Temperature Reflow
Ripple Current @ Low Frequency:	85mA @ 120Hz
Ripple Current @ High Frequency:	110.5mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.228" (5.80mm)
Surface Mount Land Size:	0.260" L x 0.260" W (6.60mm x 6.60mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Introduction

Aluminum Electrolytic Capacitors are widely used in the electronic industry since they provide a wide range of applications and advantages. UWS1A151MCL1GS, a series of aluminum electrolytic capacitors, is one of the most popular items in that family. It has various advantages in terms of application fields and working principles which this article will explore.

Application Field

UWS1A151MCL1GS is a series of high performance aluminum electrolytic capacitors used mainly in the radio frequency (RF) and telecom markets. It is ideal for use in the RF amplifier, tuner, radio, amplifier, filter circuits, antenna circuit, cellular base station, and fiber optic communication systems. It is also widely used in a number of industrial, automotive and power management systems due to its reliable performance and long service life.This series is an example of aluminum electrolytic capacitors that offer significant advantages over conventional wet capacitors. It offers a wide operating temperature range, low ESR, good capacitance stability, high ripple current, and low leakage current. UWS1A151MCL1GS is especially designed for long-term reliable operation, as it is qualified to withstand harsh operating environments and constant peak currents.

Working Principle

Aluminum electrolytic capacitors operate on the principle of forming an electrostatic field between two conducting surfaces, as demonstrated by Faraday’s law. UWS1A151MCL1GS utilizes an electrolyte as a medium to create the electrostatic field. This allows it to increase the capacitance per unit volume by using a thin dielectric film between its plates.UWS1A151MCL1GS features a patented “Long-Life Electrolyte System” that can withstand high ripple currents and frequent temperature cycling. The system also increases resistance to vibration and protects from electrolyte leakage or oxide reforming in extreme temperature environments. Its anode is made from high-grade aluminum-titania which provides more stability and improved capacitance retention over time. The capacitors are also embedded with a “Self-Healing Function” which helps reduce maintenance and extends the overall life of the capacitors. This feature is based on a dielectric film that arc on high temperature to crawl over the oxide layer. Thus, the capacitor automatically repairs itself when it is exposed to extreme electrical or environmental stress.

Conclusion

In conclusion, UWS1A151MCL1GS is a family of aluminum electrolytic capacitors that offer advantages over other conventional wet capacitors. Its wide operating temperature range, low ESR, good capacitance stability, high ripple current, and low leakage current, coupled with its long-term reliability and self-healing function, make it suitable for use in various applications such as RF amplifier, tuner, radio, amplifier, filter circuits, antenna circuit, cellular base station,and fiber optic communication systems.

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