AB7020HF 3M, AB7020HF Datasheet

AB7020HF

Manufacturer Part Number

AB7020HF

Description

EMI ABSORBER .20MM 8.26X11.7" HF

Manufacturer

Datasheet

1.AB7020HF.pdf (2 pages)

Specifications of AB7020HF

Featured Product

Thermal Interface Materials

Shape

Tape

Thickness - Overall

0.01" (0.25mm)

Width

8.26" (210mm)

Length

11.7" (297mm)

Adhesive

Acrylic, Nonconductive

Temperature Range

-13 ~ 185°F (-25 ~ 85°C)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

3M7020F
80611449580

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Series EMI Absorber

Data Sheet

Description

Agency Approvals

& Self Certifications

Applications

Attenuation and

Power Loss

Typical Properties

™

hysical

AB7000HF

3M™ AB7000HF Series EMI Absorber consists of a flexible polymer resin loaded with

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

RoHS 2002/95/EC

AB7000HF 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.

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 AB7000HF 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 AB7000HF absorber placed on a 50 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.

Notes: 1.This value measured at 1MHz 3M TM K RD-EMC-AB-02. 2. Attenuation is measured by 7mm coaxial verification kit

Property (Test Method)

Adhesive

Type of Backing

Product Number

Backing Thickness

Adhesive Thickness

Standard packaging

Temperature Range

Surface resistivity (ASTM D-257)

Initial Permeability

Typical Performance

• Low Halogen version of AB7000 absorber. Meets guidelines set forth in IEC

• Flexible, high permeability magnetic sheets

• One-sided acrylic pressure sensitive adhesive

• Easily die cut into complex shapes

61249-2-21.

1 of 2

Acrylic non-conductive pressure-sensitive adhesive (PSA)

Polymer resin with magnetic metal flake filler

AB7010HF

0.13mm

0.03mm

Refer to S

AB7020HF

attenuation and power loss graphs

0.25mm

0.05mm

210mm x 297mm

Typical Value

-25° to 85° C

1x10

110

(min)

AB7030HF

0.35mm

0.05mm

February 2009

AB7050HF

0.55mm

0.05mm

Related parts for AB7020HF

AB7020HF Summary of contents

Page 1

... Temperature Range Surface resistivity (ASTM D-257) Initial Permeability Typical Performance Notes: 1.This value measured at 1MHz RD-EMC-AB-02. 2. Attenuation is measured by 7mm coaxial verification kit Acrylic non-conductive pressure-sensitive adhesive (PSA) Polymer resin with magnetic metal flake filler AB7010HF AB7020HF 0.13mm 0.25mm 0.03mm 0.05mm 1 2 Refer to S ...

Page 2

... AB7000HF Series EMI Absorber under short fixed condition. Power loss is measured microstrip line method K-RD-EMC-AB-01 Permeability Power Loss Shelf Life & Storage This product has a 5-year shelf life from date of manufacture when stored in a humidity controlled storage (10° C/50° 27° C/80° F and <75% Availability Please contact your local distributor ...

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