RNU0G122MDN1KX

Series:	FPCAP, RNU
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	4V
ESR (Equivalent Series Resistance):	7 mOhm
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	570mA @ 120Hz
Ripple Current @ High Frequency:	5.7A @ 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

Aluminum – Polymer Capacitors, or sometimes simply known as polymer capacitors, are a modern form of capacitor made from an Aluminum Electrolytic body and filled with a semi-solids dielectric compound. They are extremely small, light, and versatile capacitors with numerous advantages over previous technologies. The RNU0G122MDN1KX is one such aluminum-polymer capacitor, and is extremely popular in the industry. This article will explore the technical specifications and applications fields of the RNU0G122MDN1KX, as well as the basic working principle of an aluminum-polymer capacitor.The RNU0G122MDN1KX is an aluminum-polymer capacitor designed for an operating temperature range of -55°C to +125°C and a rated voltage of 16 VDC. It has an impedance of 40 mohm at 120 kHz, a lifetime guarantee of 1000 hours at +70°C, and an operating current of 2.0 A. Its capacitance is 10µF in the tolerance range of ±20%. It is available in a compact industry-standard configuration in form sizes of 8x12.5mm, and is produced with a HAL-lead (lead-free) technology.The RNU0G122MDN1KX capacitor technology provides a number of benefits over traditional aluminum electrolytic capacitors. The extremely small form size of the RNU0G122MDN1KX allows users to fit more components onto the board, which enhances the system performance and longevity. Additionally, these aluminum-polymer capacitors offer a substantially lower equivalent series resistance (ESR) which helps reduce heat losses, and thus provide greater stability to the circuit. In addition to these, the lower leakage current and a higher ripple current rating make it ideal for power supply applications. The RNU0G122MDN1KX is ideal for switching, general DC/DC converter, DC/AC converters, and low ESR applications.The basic principle behind an aluminum-polymer capacitor is related to the polarization of molecules. A conductive body, usually made from aluminum, is embedded with a polymer dielectric film. An electrical field is applied to the film through electrolyte, which causes molecules of the film to polarize along the field lines. This phenomenon creates and stores the electrostatic energy in the form of a capacitor. The electrolyte acts as an ion bridge between the capacitor plates, and creates strong bonds between the ions and plates, to ensure that they remain electrically charged. This mechanism ensures that the capacitor can retain a very high capacitance value.In order to maximize the performance and longevity of the RNU0G122MDN1KX capacitor, special attention needs to be given to the storage and operation temperatures of the capacitor. It is important to ensure that they are stored and used within their specified temperature range. It is also important to ensure that the capacitor is adequately cooled, to keep the temperature low and prevent thermal runaway. Additionally, the RNU0G122MDN1KX should be operated under maximum rated voltage, and any over-voltage or reverse polarity should be avoided. In summary, the RNU0G122MDN1KX is a modern aluminum-polymer capacitor with a wide range of applications in power supplies, general DC/DC converters, and low ESR applications. Its small form size, low ESR, and high ripple current rating make it ideal for many applications. Its working principle is based on the polarization of molecules in a polymer dielectric film, with an electrolyte acting as an ion bridge between the capacitor plates. These capacitors can significantly increase system performance, and should be used according to their specified temperature range and current rating.

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