RNS1A221MDN1

Operating Temperature:	-55°C ~ 105°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.551" (14.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	5.5A @ 100kHz
Ripple Current @ Low Frequency:	550mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	FPCAP, RNS
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	10 mOhm
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	220µF
Type:	Polymer
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum - Polymer Capacitors

Aluminum - Polymer Capacitors, also commonly known as Al - Poly, were developed over two decades ago as an improvement to aluminum electrolytic capacitors. While traditional aluminum electrolytic capacitors are distinguished by their low cost, high capacitance and low-loss characteristics, their size and operating temperature range can be limiting for certain applications. Al-poly capacitors play an important role in providing a more versatile solution for these types of applications.The Al-poly capacitor family includes components such as RNS1A221MDN1. These are specifically designed for high frequency applications with relatively low charge and discharge loads and high ripple current ratings. The material used for this type of capacitor is primarily based on a laminated structure, which is composed of dielectrics made from aluminum and polymer materials, separated by electrolytic layers. The unique combination of these materials creates high capacitance and low dissipation factors, while offering superior reliability and stability under harsh usage conditions.RNS1A221MDN1 Al-poly capacitors are mainly used in applications such as power supplies, switching power converters, and DC motors. These capacitors are designed to improve high-frequency operation and performance, while also offering a large capacitance in a small size. Additionally, they offer a wide operating temperature range compared to standard aluminum electrolytic capacitors.The working principle of RNS1A221MDN1 Al-poly capacitors begins with a basic electrical circuit. In this circuit, a voltage is applied across two points which results in an electric field. This electric field allows the capacitor to store energy in the form of an electric charge between the two points. When the electrical charge is positive on one side of the capacitor and negative on the other side, it creates a capacitor action between the two points. This action is what allow the RNS1A221MDN1 Al-poly capacitors to function properly in the circuit.In order to improve the capacitance, the dielectric material is laminated between two layers of aluminum, formed into a cylinder shape to create a larger surface area. This increases the storing capacity of the capacitor and increases its efficiency. Additionally, the use of aluminum and polymer materials results in very low-frequency losses compared to traditional electrolytic capacitor materials. The RNS1A221MDN1 Al-poly capacitors are also designed with a high current rating, making them suitable for a variety of applications such as switching converters, uninterruptible power supply (UPS), and AC adapters. They are also capable of withstanding high levels of ripple current, making them ideal for applications with high ripple currents such as motor control circuits and inductive loads.Overall, RNS1A221MDN1 Al-poly capacitors play an important role in providing a more versatile solution for high frequency applications with relatively low charge and discharge loads. The unique combination of aluminum and polymer materials creates high capacitance and low-loss characteristics, while also offering superior reliability and stability under harsh usage conditions. As a result, these types of capacitors are commonly used in modern circuits, such as in power supplies, switching power converters, and DC motors.

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