EEUFM1E221

Radial aluminum electrolytic capacitors, 220uF, 25V, for various applications

Manufacturer: ['panasonic', 'oneic']

series introduction

# Introduction to the EEUFM1E221 Product Series

## Overview
The EEUFM1E221 product series represents a cutting - edge line of electronic components, specifically capacitors, that are designed to meet the diverse and demanding requirements of modern electronic circuits. These capacitors are engineered with precision and advanced technology to offer high - performance, reliability, and stability in a wide range of applications.

## Key Features

### Capacitance and Voltage Rating
The "221" in the EEUFM1E221 model indicates a specific capacitance value. In the capacitor naming convention, this translates to a capacitance of 220 pF (picofarads). The "E" in the series designation is often associated with a particular voltage rating. For this series, it typically means a voltage rating that is suitable for medium - voltage applications, which can handle a certain level of electrical potential without breakdown, ensuring safe and efficient operation within the specified voltage limits.

### High - Quality Dielectric Material
The EEUFM1E221 series utilizes a high - quality dielectric material. This dielectric is carefully selected to provide excellent insulation properties, low dielectric loss, and high dielectric strength. Low dielectric loss means that the capacitor dissipates very little energy in the form of heat during operation. This is crucial as it not only improves the overall efficiency of the circuit but also extends the lifespan of the capacitor and other components in the vicinity. High dielectric strength allows the capacitor to withstand high electric fields without experiencing electrical breakdown, enhancing its reliability in various electrical environments.

### Compact Design
These capacitors are designed with a compact form factor. In today's electronics industry, where space is at a premium, the small size of the EEUFM1E221 series is a significant advantage. It can be easily integrated into densely populated printed circuit boards (PCBs), enabling the development of smaller and more portable electronic devices. The compact design also helps in reducing the overall weight of the device, which is beneficial for applications such as mobile electronics and aerospace systems.

### Temperature Stability
The EEUFM1E221 series exhibits excellent temperature stability. It can maintain its capacitance value and electrical characteristics over a wide temperature range. This is essential for applications that are exposed to varying environmental conditions. For example, in automotive electronics, where components may be subjected to extreme temperatures under the hood or in different climates, the temperature - stable performance of these capacitors ensures consistent operation of the vehicle's electronic systems.

### Low Equivalent Series Resistance (ESR)
The low ESR of the EEUFM1E221 capacitors is another notable feature. ESR is the resistance that appears in series with the capacitance of the capacitor. A low ESR value means that the capacitor can charge and discharge quickly, allowing it to handle high - frequency signals effectively. This is particularly important in applications such as power supplies, where fast - charging and discharging are required to maintain a stable output voltage and reduce ripple.

## Applications

### Power Supply Circuits
In power supply circuits, the EEUFM1E221 series capacitors play a crucial role in filtering and energy storage. They help in smoothing out the DC voltage by removing the ripple component, which is the small - amplitude AC variation present in the DC output. By storing and releasing electrical energy as needed, these capacitors ensure a stable and clean power supply to the rest of the circuit, protecting sensitive electronic components from voltage fluctuations.

### RF (Radio Frequency) Circuits
RF circuits require components that can handle high - frequency signals with minimal loss. The EEUFM1E221 capacitors, with their low ESR and high - frequency performance capabilities, are well - suited for use in RF circuits. They can be used for coupling, decoupling, and tuning purposes, helping to optimize the performance of RF transmitters, receivers, and other wireless communication devices.

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Datasheets

Partlist

EEUFM1E221
EEUFM1E221B