RS81C271MDN1PX Allicdata Electronics
Allicdata Part #:

RS81C271MDN1PX-ND

Manufacturer Part#:

RS81C271MDN1PX

Price: $ 0.14
Product Category:

Capacitors

Manufacturer: Nichicon
Short Description: CAP ALUM POLY 270UF 20% 16V T/H
More Detail: 270µF 16V Aluminum Polymer Capacitor Radial, Can 1...
DataSheet: RS81C271MDN1PX datasheetRS81C271MDN1PX Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
2000 +: $ 0.12812
Stock 1000Can Ship Immediately
$ 0.14
Specifications
Series: FPCAP, RS8
Packaging: Tape & Box (TB) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Polymer
Capacitance: 270µF
Tolerance: ±20%
Voltage - Rated: 16V
ESR (Equivalent Series Resistance): 15 mOhm
Lifetime @ Temp.: 2000 Hrs @ 105°C
Operating Temperature: -55°C ~ 105°C
Ratings: --
Applications: General Purpose
Ripple Current @ Low Frequency: 380mA @ 120Hz
Ripple Current @ High Frequency: 3.8A @ 100kHz
Lead Spacing: 0.098" (2.50mm)
Size / Dimension: 0.248" Dia (6.30mm)
Height - Seated (Max): 0.354" (9.00mm)
Surface Mount Land Size: --
Mounting Type: Through Hole
Package / Case: Radial, Can
Description

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Aluminum-polymer capacitors are an attractive alternative to traditional aluminum electrolytic capacitors. Their benefits include excellent thermal cycling capability, extended capacitance range, mechanical flexibility, low typically ESR/ESL values, high ripple current capability and enhanced life expectancy. One such aluminum-polymer capacitor is the RS81C271MDN1PX. In this article, we will discuss the application field and working principle of this capacitor.

Applications

The RS81C271MDN1PX is a surface-mount aluminum-polymer capacitor featuring a 145uF capacitance and 25V working voltage. It is ideal for applications such as power supply filtering, decoupling, motor controller snubbing, frequency conversion, boost and buck circuits, and energy storage. Its excellent thermal cycling capability also makes it suitable for telecommunications and automotive applications, as well as other high temperature applications.

Due to its low ESR and ESL values, it can also be used in audio amplifiers and other circuits that require low and stable impedance, such as phase shift circuits. In addition, its low loss factor makes it suitable for high voltage applications.

Working Principle

The RS81C271MDN1PX is an aluminum-polymer capacitor which utilizes a liquid electrolyte and solid polymer dielectric to store energy. When the circuit is energized, the liquid electrolyte is attracted to the electrodes and forms a conducting bridge between them, creating a charge flow. The liquid electrolyte, together with the polymer dielectric, creates a capacitive effect, allowing the capacitor to store energy and electrical charge.

The RS81C271MDN1PX features excellent temperature capabilities, low ESR/ESL values and high ripple current. Its aluminum electrodes are connected to a polymeric layer which provides the dielectric. The polymeric layer further serves as a barrier, preventing the leakage of the electrolyte.

The aluminum-polymer capacitor is unique compared to other capacitor types, as its capacitance values remain stable when exposed to different temperatures. In addition, the aluminum-polymer capacitor offers a longer life than conventional capacitors, due to its non-dielectric layer and reduced risk of electrolyte leakage. It is for these reasons that the aluminum-polymer capacitor is ideal for use in applications that are subjected to temperature cycling or have restricted physical space.

Conclusion

The RS81C271MDN1PX aluminum-polymer capacitor is ideal for a variety of applications requiring low ESR/ESL values and high ripple current capability. Its ability to withstand thermal cycling also makes it an attractive solution for telecommunications and automotive applications working in high temperatures. This capacitor offers a service life that is longer than traditional capacitors, with reduced risk of electrolyte leakage due to its non-dielectric layer.

The specific data is subject to PDF, and the above content is for reference

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