USR1C470MDD1TE

Series:	USR
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	16V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	65mA @ 120Hz
Ripple Current @ High Frequency:	97.5mA @ 10kHz
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.315" (8.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are some of the most versatile and commonly used components in electric and electronic circuits. They are designed for applications requiring high capacitance and are available in various forms such as axial, radial, surface mount, and even trimmer capacitors. The main construction of an aluminum electrolytic capacitor is generally composed of an electrolyte, a dielectric layer, an outer metallic case, and two terminals.

Types of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are available in a variety of styles and sizes to meet various applications. These include axial capacitors, which feature terminals at both ends of the device. They are typically more compact in size and suited for use in tight spaces. Radial capacitors have terminals located at the base of the device and protrude outward radially. They are generally larger in size and offer increased mounting options. Trimmer capacitors are composed of three terminals and can be adjusted to various capacitance values by adjusting the position of the core. Finally, there are miniaturized surface-mount capacitors, which are most suitable for mounting and soldering onto printed circuit boards (PCBs).

USR1C470MDD1TE Application Field and Working Principle

The USR1C470MDD1TE is a type of miniaturized aluminum electrolytic capacitor suitable for surface-mount applications. Its main features include a capacitance value of 47uF, a voltage rating of 25V, and an operating temperature range of -40°C to +85°C. It is designed to provide reliable operation at high frequencies and is typically used in switch mode power supplies, signal filtering, and energy storage. The working principle of the USR1C470MDD1TE capacitor is based on the fact that when an electric current passes through an electrolytic material between two electrodes, it creates an electric field. This field is then capable of storing an electric charge, and when the electric charge is reversed, the capacitor releases the stored energy as a current. In the case of the USR1C470MDD1TE, the electrically conductive aluminum case serves as the anode while a solid electrolytic material serves as the cathode. The outer metallic case and two terminals are designed to maintain a stable electrical connection from one point to the other.

Conclusion

Aluminum electrolytic capacitors are an essential part of many electrical circuit applications. Different types are available to meet various requirements including size, capacitance value, and voltage rating. The USR1C470MDD1TE miniature surface-mount capacitor offers excellent performance and reliability at high frequencies, making it suitable for switching power supplies, signal filtering, and energy storage. Its working principle is based on the fact that when an electric current passes through an electrolytic material between two electrodes, it creates an electric field that can store electrical charge in the form of a capacitor.

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