LR4-250UF

Product Overview

LR4-250UF belongs to the category of electrolytic capacitors. These capacitors are commonly used in electronic circuits for their ability to store and release electrical energy. The LR4-250UF capacitor is known for its high capacitance, low equivalent series resistance (ESR), and compact package size. It is typically used in power supplies, audio equipment, and other electronic devices where stable and reliable energy storage is required.

Characteristics

• Category: Electrolytic Capacitor
• Use: Energy storage in electronic circuits
• Package: Compact
• Essence: High capacitance, low ESR
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Capacitance: 250 microfarads (uF)
• Voltage Rating: Varies by model, typically 16V to 100V
• Temperature Range: -40°C to 105°C
• Tolerance: ±20%

Detailed Pin Configuration

The LR4-250UF capacitor typically has two leads, with the positive lead longer than the negative lead. The pinout configuration is as follows: - Positive Lead: Connected to the higher voltage side - Negative Lead: Connected to the lower voltage side or ground

Functional Features

LR4-250UF offers the following functional features: - High capacitance for efficient energy storage - Low ESR for improved performance in high-frequency circuits - Compact design for space-constrained applications

Advantages and Disadvantages

Advantages

• High capacitance
• Low ESR
• Compact size

Disadvantages

• Limited temperature range compared to some other capacitor types
• Sensitive to reverse polarity

Working Principles

LR4-250UF operates based on the principles of electrostatic energy storage. When a voltage is applied across the capacitor, it stores energy in an electric field between its plates. This stored energy can then be released when needed, providing a temporary power source for the circuit.

Detailed Application Field Plans

LR4-250UF capacitors find extensive use in various electronic applications, including: - Power supply filtering and smoothing - Audio amplifier coupling and decoupling - Signal processing circuits - Voltage regulation circuits

Detailed and Complete Alternative Models

Some alternative models to LR4-250UF include: - LR4-100UF: Lower capacitance variant for space-constrained applications - LR4-500UF: Higher capacitance variant for applications requiring more energy storage - LR4-250UF-HD: Heavy-duty variant with extended temperature range and higher voltage ratings

In conclusion, LR4-250UF electrolytic capacitors offer high capacitance and low ESR in a compact package, making them suitable for a wide range of electronic applications. While they have limitations in terms of temperature range and polarity sensitivity, their functional features and application versatility make them a popular choice in the electronics industry.

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