MT-TO220B Silicone Cap Sleeve

Product Overview

MT-TO220B Silicone Cap Sleeve is a thermally conductive and electrically insulating component designed for TO-220 package devices. Manufactured from high-quality silicone rubber reinforced with glass fiber through a specialized production process, this silicone cap sleeve provides reliable insulation, heat transfer support, mechanical protection, and easy installation. It is widely used in power semiconductor applications where electrical isolation and thermal management are both required.

The MT-TO220B model is particularly suitable for heating transistors, diodes, triodes, IGBT modules, and field-effect transistors. The sleeve can be installed directly onto the device, helping improve assembly efficiency while reducing the need for additional insulating components.

Key Features

The MT-TO220B Silicone Cap Sleeve combines thermal conductivity and electrical insulation in a single solution. Its durable silicone construction offers excellent resistance to heat, vibration, and environmental stress, making it suitable for long-term operation in demanding electronic equipment.

The product provides:

• Good thermal conductivity for efficient heat transfer

• Excellent electrical insulation performance

• Shock and vibration resistance

• Easy installation on TO-220 package devices

• Flame-retardant UL94 V-0 rating

• Stable performance across a wide temperature range

• Suitable for low-stress thermal management applications

Typical Applications

MT-TO220B Silicone Cap Sleeve is commonly used in various power electronic assemblies, including:

• Power transistors

• Heating transistors

• Diodes and rectifiers

• Triodes

• IGBT field-effect tubes

• Power control modules

• Industrial power supplies

• Electronic heat dissipation assemblies

Technical Specifications

Dimensions

The MT-TO220B Silicone Cap Sleeve is designed to fit standard TO-220 electronic packages.

Reliable Thermal and Insulation Solution

For electronic devices requiring both thermal management and electrical isolation, the MT-TO220B Silicone Cap Sleeve offers a practical and efficient solution. Its combination of thermally conductive performance, dielectric strength, flame resistance, and mechanical durability makes it suitable for a wide range of power semiconductor applications. Whether used in industrial electronics, power conversion equipment, or control devices, MT-TO220B helps improve operational reliability while simplifying assembly processes.