3M 5571 Thermal Pad, Custom Die-Cut (A4, A5 Sizes)

Description

The 3M 5571 Thermal Pad is a high-quality thermal interface material designed to ensure effective heat transfer between electronic components and cooling devices. Available in custom die-cut formats (A4 and A5 sizes), it is convenient for various applications and reduces manual cutting effort. Flexible and reliable, it offers consistent performance across devices.

Product Full Technical Information

• Brand: 3M

• Model: 5571

• Product Type: Thermal Interface Pad

• Format: Custom Die-Cut Sheets (A4, A5)

• Thickness Options: 1.0 mm, 1.5 mm, and others as per requirement

• Thermal Conductivity: ~2.0 W/m-K (approx.)

• Material: Acrylic elastomer with ceramic fillers

• Color: Grey

• Operating Temperature Range: -40°C to +150°C

• Conformability: Excellent, suitable for uneven surfaces

• Electrical Insulation: Yes

Product Category

Thermal Interface Materials (TIMs) – Thermal Pads

What is a Thermal Pad? (3 Lines)

A thermal pad is a soft, thermally conductive sheet that fills air gaps between components and heat sinks. It enhances surface contact and improves heat dissipation. Thermal pads are widely used in electronics, automotive systems, and LED applications.

Product Features

• Available in A4 and A5 custom die-cut sheets

• High thermal conductivity for effective heat management

• Ready-to-use, no trimming required

• Soft and conformable to irregular surfaces

• Provides both heat transfer and electrical insulation

• Backed by 3M’s proven reliability

Benefits

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The 3M 5571 Custom Die-Cut Thermal Pad eliminates the hassle of manual cutting by offering pre-sized A4 and A5 sheets. It ensures uniformity, reduces waste, and improves assembly speed. With excellent thermal conductivity and conformability, it helps protect components from overheating while increasing operational reliability.

Bullet Points:

• Ready-to-use die-cut sizes save time and effort

• Improves production efficiency and consistency

• Enhances device reliability with superior heat management

• Easy handling and application

• Suitable for bulk and prototype usage

Applications

• Power supplies, inverters, and converters

• Automotive ECUs and electronic modules

• LED drivers and lighting systems

• Telecom and networking devices

• Computers, CPUs, GPUs, and memory modules

• Consumer and industrial electronics

How to Use

Select the required A4 or A5 die-cut pad and place it between the heat-generating component and the heat sink. Ensure surfaces are clean and dust-free. Apply gentle pressure for complete contact, ensuring maximum thermal transfer.

Cautions

• Avoid stretching or tearing during application.

• Ensure compatibility with the device operating temperature.

• Store in a cool, dry place away from moisture and sunlight.

Why You Should Buy

The 3M 5571 Die-Cut Thermal Pad (A4, A5) is perfect for manufacturers and engineers looking for efficiency and consistency in thermal management. Pre-sized sheets save preparation time, reduce wastage, and ensure professional-quality installation—all backed by 3M’s trusted technology.

Where and Who Uses It

• Industries: Automotive, Electronics, LED, Telecom, Consumer Appliances

• Users: OEMs, engineers, R&D teams, repair professionals, bulk production units

About the Manufacturer

3M is a global leader in innovation and advanced material science. With expertise spanning over a century, 3M provides trusted solutions in electronics, automotive, healthcare, and industrial markets. Their thermal management products are globally recognized for reliability, durability, and performance.