Datasheet > AB7000

AB7000

更新时间： 2024-10-01 08:44:27

品牌	Logo	应用领域
3M		/
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2页	64K
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EMI Absorber

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AB7000 数据手册

3M^™EMI Absorber AB7000 Series

Data Sheet

February 2009

Description

3M™ EMI Absorber AB7000 Series consists of a flexible polymer resin loaded with soft

metal flakes. An acrylic pressure-sensitive adhesive allows for easy application.

•

Flexible, high permeability magnetic sheets

One-sided acrylic pressure-sensitive adhesive

Easily die cut into complex shapes

RoHS 2002/95/EC

Agency Approvals

& Self Certifications

RoHS Compliant 2002/95/EC” means that the product or part (“Product”) does not contain any of the substances in excess of the

maximum concentration values in EU Directive 2002/95/EC, as amended by Commission Decision 2002/618/EC, unless the

substance is in an application that is exempt under RoHS. This information represents 3M’s knowledge and belief, which may be

based in whole or in part on information provided by third party suppliers to 3M.

Applications

AB7000 absorber is typically used for applications requiring EMI control and signal

integrity improvement in the 50MHz to 10 GHz range. It is a broadband EMI

absorber designed to work in near-field applications inside and around electronic

devices and assemblies. Common applications include reduction of noise and

crosstalk inside mobile electronics, reduction of crosstalk and EMI on ribbon cables

and flex cables, reduction of radiated IC noise (applying absorber directly to the

noisy IC), damping of radiation and oscillations inside shields and cavities, and

increasing signal integrity on high speed data lines through crosstalk reduction.

Attenuation and

Power Loss

Many factors determine the true attenuation of an electromagnetic interference

absorbing material, including shape and thickness, intimacy of substrate contact,

smoothness of application surface, strength and frequency of the EMI signal, etc.

Since AB7000 absorber is a near field absorber, attenuation characteristics tend to

be very application specific. Power loss characteristics are measured using a 5cm x

5cm square of AB7000 placed on a 50Ω microstrip line. The attenuation and noise

dampening attained generally increases as the thickness of the material increases.

Not for specifications. Values are typical, not to be considered minimum or maximum.

Properties measured at room temperature 73°F (~23°C ) unless otherwise stated.

Typical Properties

Physical

Property (Test Method)

Adhesive

Typical Value

Acrylic non-conductive pressure-sensitive adhesive (PSA)

Polymer resin with magnetic metal flake filler

Type of Backing

Product Number

AB7010

0.10mm

0.03mm

AB7020

0.20mm

0.05mm

AB7030

0.30mm

0.05mm

AB7050

0.50mm

0.05mm

Backing Thickness

Adhesive Thickness

Standard packaging

Temperature Range

Surface resistivity (ASTM-257)

Initial Permeability¹

Typical Performance²

210mm x 297mm

-25°to 85°C

1x10 ⁶Ω(min)

110

Refer to S₁₁attenuation and power loss graphs

Notes: 1. This value measured at 1MHz 3M TM K RD-EMC-AB-02.

2. Attenuation is measured by 7mm coaxial verification kit under short fixed condition. Power loss is

measured by a 50

Ω

microstrip line method. 3M TM K-RD-EMC-AB-01

1 of 2

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与AB7000相关器件

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AB7010	3M	获取价格	EMI Absorber
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AB7030	3M	获取价格	EMI Absorber
AB7050	3M	获取价格	EMI Absorber
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