Multilayer Ceramic Capacitor[6]

Updated: 2026-09-15

Overview

The GRT155C81E224KE01D is a multilayer ceramic capacitor (MLCC) designed for surface mount technology (SMT). It is widely used in electronic circuits for filtering, decoupling, and energy storage. This capacitor is known for its high reliability, stability, and performance in various applications, including consumer electronics, telecommunications, and industrial equipment. The GRT155C81E224KE01D is part of a family of MLCCs that offer excellent electrical characteristics, such as low equivalent series resistance (ESR) and high capacitance stability over a wide temperature range. Its compact size and robust construction make it suitable for high-density PCB designs.

Structure and Working Principle

The GRT155C81E224KE01D consists of multiple layers of ceramic dielectric material interspersed with metal electrodes. These layers are stacked and sintered to form a monolithic structure. The capacitor's capacitance is determined by the dielectric material's properties, the number of layers, and the electrode area. When a voltage is applied across the terminals, an electric field is created within the dielectric layers, storing energy in the form of an electrostatic charge. The GRT155C81E224KE01D operates efficiently in high-frequency circuits due to its low ESR and high self-resonant frequency.

Key Features

The GRT155C81E224KE01D offers several key features that make it a preferred choice for electronic designers. These include high capacitance stability, low ESR, and excellent temperature characteristics. The capacitor is also resistant to mechanical stress and environmental factors, ensuring long-term reliability. Additionally, the GRT155C81E224KE01D is designed for surface mount technology (SMT), making it easy to integrate into modern PCB designs. Its compact size and high performance make it suitable for applications requiring miniaturization and high efficiency.

Application Areas

The GRT155C81E224KE01D is used in a wide range of electronic applications. Common uses include filtering and decoupling in power supplies, signal conditioning in communication systems, and energy storage in industrial equipment. Its high-frequency performance makes it ideal for RF and microwave circuits. In consumer electronics, the GRT155C81E224KE01D is often found in smartphones, tablets, and other portable devices. It is also used in automotive electronics, where reliability and performance under harsh conditions are critical.

Maintenance and Precautions

To ensure optimal performance and longevity, the GRT155C81E224KE01D should be handled with care. Avoid mechanical stress during assembly, as this can damage the ceramic layers. Excessive voltage or temperature should also be avoided, as it can degrade the capacitor's performance. When soldering, follow recommended reflow profiles to prevent thermal shock. Store the capacitors in a dry, cool environment to avoid moisture absorption, which can affect electrical properties.

B2B Procurement Guide

When procuring the GRT155C81E224KE01D, consider factors such as capacitance value, voltage rating, and temperature coefficient. Verify the supplier's reliability and quality certifications to ensure genuine components. Bulk purchasing may offer cost savings, but ensure proper storage conditions to maintain component integrity. Lead times and minimum order quantities (MOQs) vary by supplier, so plan accordingly. Custom packaging and labeling options may be available for large-scale orders. Always request samples for testing before committing to large purchases.