RHT1A221MDN1PX

Series:	FPCAP, RHT
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	10V
ESR (Equivalent Series Resistance):	17 mOhm
Lifetime @ Temp.:	1000 Hrs @ 125°C
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	395mA @ 120Hz
Ripple Current @ High Frequency:	3.95A @ 100kHz
Lead Spacing:	0.138" (3.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.512" (13.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum-Polymer Capacitors: RHT1A221MDN1PX Application Field and Working Principle

Capacitors have become essential components used in electronic circuits due to their ability to store electric charge and deliver it when needed. Aluminum-polymer capacitors are one such technology, which is used in a variety of fields. The RHT1A221MDN1PX is an aluminum-polymer capacitor manufactured by Panasonic. It is based on a combination of aluminum and polypropylene and is used in a number of applications. This article will examine the RHT1A221MDN1PX\'s application field and working principle in detail.

Application Field

The RHT1A221MDN1PX is mainly used in energy, power supply, and information processing applications. It is an excellent choice for conditions requiring high ripple current due to its polypropylene-embedded type design. This allows for increased capacitance with smaller size and lower ESR. The RHT1A221MDN1PX is suitable for circuit designs that demand superior current performance, low impedance and long-term reliability. In addition, it is suitable for applications involving high humidity, low temperature, and vibration.

Working Principle

Aluminum-polymer capacitors, including the RHT1A221MDN1PX, have a working principle similar to that of electric double-layer capacitors. Electric double-layer capacitors consist of two electrodes (an anode and a cathode) separated by an electrolyte. When a voltage is applied to the electrodes, ionic charges of the electrolyte form a double layer on both sides of the anode and cathode. This double layer works as a capacitor, allowing it to store an electric charge. The RHT1A221MDN1PX, however, consists of aluminum and polypropylene instead of the two electrodes and electrolyte. The aluminum acts as the anode and the polypropylene acts as the electrolyte. When a voltage is applied, electrons from the aluminum jump onto the polypropylene, forming a double layer that works as a capacitor.

Benefits

Aluminum-polymer capacitors are superior to other capacitor technologies in many ways. One of the main benefits is the combination of low impedance, high capacitance, and stability that the RHT1A221MDN1PX can provide. This combination makes the device ideal for conditions requiring high current performance and long-term reliability. In addition, its polypropylene-embedded design allows it to provide more capacitance than traditional aluminum electrolytic capacitors with less bulk. It is also much more resistant to temperature changes, making it a great choice for humid, low temperature, and vibration-filled applications.

Conclusion

The RHT1A221MDN1PX is an aluminum-polymer capacitor manufactured by Panasonic, and it is widely used in energy, power supply, and information processing applications. It is an excellent choice for conditions that demand high ripple current due its polypropylene-embedded type design. Additionally, it provides more capacitance than traditional aluminum electrolytic capacitors with less bulk, as well as being highly resistant to temperature changes.

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