128ULR4R0MFF Allicdata Electronics
Allicdata Part #:

128ULR4R0MFF-ND

Manufacturer Part#:

128ULR4R0MFF

Price: $ 0.12
Product Category:

Capacitors

Manufacturer:
Short Description: CAP ALUM POLY 1200UF 20% 4V T/H
More Detail: 1200µF 4V Aluminum Polymer Capacitor Radial, Can 1...
DataSheet: 128ULR4R0MFF datasheet128ULR4R0MFF Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
6000 +: $ 0.10386
Stock 1000Can Ship Immediately
$ 0.12
Specifications
Series: ULR
Packaging: Bulk 
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): 140 mOhm
Lifetime @ Temp.: 2000 Hrs @ 105°C
Operating Temperature: -55°C ~ 105°C
Ratings: --
Applications: Decoupling
Ripple Current @ Low Frequency: 305mA @ 120Hz
Ripple Current @ High Frequency: 6.1A @ 100kHz
Lead Spacing: 0.138" (3.50mm)
Size / Dimension: 0.315" Dia (8.00mm)
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

Introduction to 128ULR4R0MFF

128ULR4R0MFF is an aluminum-polymer hybrid capacitor developed by Stackpole Electronics, Inc. It is an evolutionary design which has taken the traditional aluminum electrolytic capacitor technology to the next level in performance. This capacitor is a metal-polymer construction featuring a high powered polypropylene dielectric material combined with an aluminum-encased dielectric core providing a monolithic construction. 128ULR4R0MFF is designed to provide exceptional functional performance in a wide range of operating conditions, including extreme temperatures.

Application Field and Working Principle

The 128ULR4R0MFF aluminum-polymer capacitor is designed for use in a variety of applications including power electronics, industrial, automotive, and consumer electronics. This capacitor has a wide operating temperature range and a low impedance value when compared to traditional aluminum-electrolytic capacitors, making it ideal for applications requiring a high degree of reliability.

The 128ULR4R0MFF aluminum-polymer capacitor is a bipolar, non-polarized device and consists of two electrodes connected in series. Each electrode is comprised of a high-quality aluminum foil sheet with a thin, conductive polymer layer which acts as the dielectric medium. The assembled capacitor is hermetically sealed in a sealed aluminum can with a silicone encapsulant, providing superior moisture resistance and a long operational life. The two terminals of the capacitor are connected to two printed circuit boards, which provide electrical connections to the aluminum-polymer capacitor structure, enabling the capacitor to perform its function in an application.

The working principle of the aluminum-polymer capacitor is the same as that of a traditional aluminum electrolytic capacitor. In operation, a direct current (DC) source is used to charge the positive and negative electrodes in the capacitor, forming an electric field between them. This electric field, in turn, generates an electric potential across the electrodes, which is stored in the form of electrical energy. When a load is connected across the capacitor, it discharges the stored electrical energy and the current flow is proportional to the applied voltage.

The 128ULR4R0MFF aluminum-polymer capacitor is designed to provide a high level of reliable performance in applications requiring high power density and low internal equivalent series resistance (ESR). It provides high capacitance per unit volume, low leakage current, and a rated voltage of up to 50 volts. Additionally, the 128ULR4R0MFF features a long operational life of up to 2000 hours and a cost-effective manufacturing process, making it an ideal choice for applications requiring an economical and reliable capacitor solution.

Conclusion

In conclusion, the 128ULR4R0MFF aluminum-polymer capacitor is a reliable and cost-effective solution for applications requiring high capacitance and low ESR. Its wide range of operating conditions, long operational life, and low equivalent series resistance make it an ideal choice for a variety of applications, including power electronics, industrial, automotive, and consumer electronics. The 128ULR4R0MFF is an evolution of traditional aluminum-electrolytic capacitor technology and provides a wide range of reliable, cost-effective solutions for any application requiring an aluminum-polymer capacitor.

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

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