Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.315" (8.00mm)
Size / Dimension:	0.157" Dia (4.00mm)
Lead Spacing:	0.059" (1.50mm)
Ripple Current @ High Frequency:	28mA @ 100kHz
Ripple Current @ Low Frequency:	20mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	RSS
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	1000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	75.358 Ohm @ 120Hz
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	2.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

225RSS050M Application Field and Working Principle

An aluminum electrolytic capacitor, also known as an aluminum foil capacitor, is an electrical component used in a wide variety of circuits to help filter out electrical noise by acting as a temporary store of energy. There are two types of aluminum electrolytic capacitors. First, turn-type capacitors with radial leads and second, axial type capacitors with two axial leads.

Overview

The 225RSS050M aluminum electrolytic capacitor is a one-piece, radial, leaded capacitor with a double-ended element, confirming to the CECC 30402/209 standard. It has a standard capacitance of 0.047mF and is rated at 50V (with a 10V derating). It has excellent ESR and ripple current capabilities, making it a great choice for high-frequency filtering applications.

Applications

The 225RSS050M capacitor is a perfect for high-frequency filtering applications in power supplies, audio power amplifiers, and switching power supply circuits. It is also suitable for high-efficiency and low-frequency heaters, as well as in applications that require a high ripple current capability such as voltage multipliers, transformers, chokes, and switching signal circuits, etc. In addition to these applications, it can also be used as a bypass in signal filtering, as a decoupling device in analog circuits, in timing and delay circuits, and in DC/DC converters.

Working Principle

The working principle of 225RSS050M aluminum electrolytic capacitor is based on the principle of electrochemical double layer forming. When a DC voltage is applied to the capacitor, a thin oxide film forms on the surface of the anode, creating a high capacitance double layer between the anode and the cathode. This electrochemical double layer stores electrical energy and acts as an insulator, allowing the capacitor to act as an energy storage device and improve frequency filtering performance.The 225RSS050M capacitor has a very wide operating temperature range and is rated for -40°C to 105°C. It also features low ESR in the range of 0.5 ohms to 1.5 ohms, making it great for filtering high-frequency signals. The ripple current rating is good at up to 2.1 A peak and 1.1 A RMS.

Conclusion

The 225RSS050M aluminum electrolytic capacitor is a great choice for power supply and audio power amplifier applications that require filtering and energy storage. It is rated for 50V with a 10V derating and features excellent ESR and ripple current capabilities. Its low ESR, along with its low temperature rating and wide operating temperature range, make it suitable for a variety of applications.

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