870055674003 Capacitors

Operating Temperature:	-55°C ~ 105°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.354" (9.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ High Frequency:	2.5A @ 100kHz
Ripple Current @ Low Frequency:	125mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	WCAP-PTHR
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	30 mOhm
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	33µF
Type:	Polymer
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction of 870055674003 Aluminum-Polymer Capacitors and their Working Principle

An 870055674003 Aluminum-Polymer Capacitor is a type of Electrochemical capacitor based on Aluminum-Polymer materials and technology. Aluminum-Polymer capacitors are being used in an ever-growing variety of applications, spanning from small electronic devices to high voltage systems. In this article, we’ll get a comprehensive overview of 870055674003 Aluminum-Polymer Capacitors, including their working principle and application fields.

Aluminum-Polymer Capacitor Characteristics

An 870055674003 Aluminum-Polymer Capacitor is a combination of two distinct layers; the first is an aluminum core with a thin layer of aluminum oxide that forms a dielectric or insulation between the two layers. The second layer is a multi-layer polymer dielectric that consists of nanometer-thick porous polymer film. This combination creates a capacitor with very low ESR, high ripple current capability and higher temperature stability than many traditional electrolytic capacitors. In terms of capacitance, Aluminum-Polymer capacitors offer a wide capacitance range. They are available in capacitances from 10µF to 470µF for equivalent electrolytic capacitors. In order to extend the operation temperature range, metallic construction allows Aluminum-Polymer capacitors to operate at temperatures up to 85°C. This makes them suitable for even harsh environments such as under-the-hood conditions in automobiles.

Aluminum-Polymer Capacitor Working Principle

Aluminum-Polymer capacitors, also known as non-electrolytic capacitors, work on the principle of electrochemical capacitance. Unlike other capacitors, these capacitors are constructed with two layers of aluminum foil and an insulating dielectric. The aluminum foil is the positive electrode, while the insulating dielectric is the negative electrode, which forms the electric field that stores electrical energy. When a voltage is applied across the aluminum foil, it produces positive aluminum ions which diffuse into the insulating dielectric, creating a buildup of charge on the negative electrode. This buildup of electrical charge stores the energy and produces the capacitance that is measured in Farads, where one Farad is the amount of energy stored for every volt of energy applied across the capacitor.

Application Fields of 870055674003 Aluminum-Polymer Capacitors

870055674003 Aluminum-Polymer capacitors are best suited for use in a wide variety of applications, such as high frequency switching and audio power conditioning, motor drive systems, medical equipment, aerospace, power supplies, and automotive electronic circuits. Due to their low internal resistance and ability to withstand high ripple currents and frequencies, they are frequently used as filter capacitors in power supplies and motor drive systems. The high temperature tolerance and long service life of these capacitors makes them very suitable for use in automotive electronics, such as ABS and ECU systems.

Conclusion

In conclusion, 870055674003 Aluminum-Polymer Capacitors are a good choice when high ripple current and high temperature operation are needed. Their ability to store energy efficiently, withstand high ripple currents and frequencies and withstand high temperatures makes them suitable for a variety of applications. With their low cost and long service life, they are quickly becoming the go-to capacitor choice for engineers around the world.

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