Name: Premium EPCOS Aluminium Electrolytic Capacitor
Availability: InStock

EPCOS Aluminium Electrolytic Capacitor – High-Reliability Radial Power Capacitor for Voltage Smoothing

The EPCOS Aluminium Electrolytic Capacitor (produced by TDK Group) is a high-grade passive component engineered for superior energy storage, decoupling, and ripple current filtering in modern electronic systems. Featuring a compact radial lead design (as shown in the image), this polarized capacitor offers an impressive capacitance density, making it ideal for electronic control units where space is at a premium. With a rating of $100\ \mu\text{F}$ and $100\text{ V}$ , it is perfectly optimized to handle mid-to-high voltage power line requirements while maintaining excellent electrical stability.

Designed with an ultra-thin aluminium oxide dielectric layer and a highly conductive wet electrolyte, the EPCOS Aluminium Electrolytic Capacitor guarantees low Equivalent Series Resistance (ESR). It is wrapped in a highly insulating black safety sleeve with clear, white polarity markings and technical ratings printed directly on the body. From consumer power supplies to demanding industrial automation boards, these capacitors deliver the long-term load life and high temperature resilience required by professional hardware designers.

Key Features of the EPCOS Aluminium Electrolytic Capacitor

High Capacitance-to-Volume Ratio: Packaged in a space-saving radial design to deliver high capacitance ( $100\ \mu\text{F}$ ) in a compact cylindrical form factor.
Excellent Voltage Tolerance: Rated for operations up to $100\text{ V}$ DC, allowing plenty of safety headroom for $12\text{V}$ , $24\text{V}$ , and $48\text{V}$ power rails.
Low Equivalent Series Resistance (ESR): Minimizes internal heating under high ripple currents, improving energy efficiency and extending the overall system life.
Superior Safety Venting: Features a specialized safety vent on the top surface of the aluminium case to safely release internal pressure in the event of an overload or polarity reversal.
Extended Load Life: Formulated with high-grade liquid electrolytes designed to resist premature drying, ensuring thousands of hours of reliable performance at elevated temperatures.

Common Applications and Usage

The stable performance profile of the EPCOS Aluminium Electrolytic Capacitor makes it highly versatile across various industrial and consumer electronics:

Switch-Mode Power Supplies (SMPS): Serves as an output filter capacitor to smooth out voltage ripples and high-frequency switching noise.
DC-DC Converter Decoupling: Placed near high-power integrated circuits to act as a local energy reservoir, stabilizing power supply rails during rapid current demands.
LED Driver Circuits: Suppresses AC mains hum and flicker in high-performance residential and industrial LED lighting drivers.
Industrial Automation Controllers: Used in programmable logic controllers (PLCs) and motor drives to filter auxiliary power lines.
Audio System Buffering: Minimizes distortion and low-frequency noise in the power stages of audio preamplifiers and amplifiers.

Technical Specifications

An electrolytic capacitor’s total impedance $Z$ in an AC circuit can be calculated using the following formula:

Z = \sqrt{\text{ESR}^2 + \left(2\pi f L - \frac{1}{2\pi f C}\right)^2}

Where $\text{ESR}$ is the Equivalent Series Resistance, $f$ is the operating frequency, $L$ is the self-inductance of the leads, and $C$ is the capacitance.

The table below highlights the official technical ratings of the EPCOS Aluminium Electrolytic Capacitor:

Parameter Specification	Technical Details & Operational Ratings
Component Classification	Polarized Radial Aluminium Electrolytic Capacitor
Primary Target Keyword	EPCOS Aluminium Electrolytic Capacitor
Nominal Capacitance	$100\ \mu\text{F}$
Rated DC Voltage ( $V_R$ )	$100\text{ V}$ DC
Capacitance Tolerance	$\pm 20\%$ (at $120\text{ Hz}$ , $20^\circ\text{C}$ )
Operating Temperature	$-40^\circ\text{C}$ to $+105^\circ\text{C}$ (Industrial Grade)
Mounting Terminals	Through-Hole (THT) Radial Leads
Polarity Marker	Minus ( $-$ ) stripe on the safety sleeve
Safety Compliance	RoHS Compliant, Lead-Free Terminals

Installation, Polarity, and Safety Guidelines

Warning: This is a polarized component. Connecting the capacitor with reversed polarity can cause excessive leakage current, internal gas buildup, or a physical rupture.

Identify Polarity: The negative terminal is clearly marked with a white minus ( $-$ ) stripe on the outer sleeve. Additionally, the positive lead is physically longer than the negative lead.

Observe Voltage Limits: Always ensure that the peak circuit operating voltage does not exceed the rated $100\text{ V}$ of the EPCOS Aluminium Electrolytic Capacitor.

Soldering Profile: Adhere to recommended hand or wave soldering limits (typically up to $260^\circ\text{C}$ for less than 10 seconds) to prevent heat damage to the internal electrolyte.

To review official capacitance calculators, thermal design sheets, and complete technical specifications, check the global TDK EPCOS Aluminum Electrolytic Capacitors Support Directory.

To request a fast commercial quote or evaluate real-time regional warehouse stock availability for bulk procurement needs, please connect with our sales branch via the Control Qatar Contact Page.