Datasheet > 1245

1245

更新时间： 2024-02-11 06:52:56

品牌	Logo	应用领域
3M		/
页数	文件大小	规格书
2页	24K
描述
Embossed Copper Foil

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1245 技术参数

生命周期：	Contact Manufacturer	Reach Compliance Code：	unknown
风险等级：	5.57	连接器类型：	INTERCONNECTION DEVICE
Base Number Matches：	1

1245 数据手册

1 2 4 5 Tape

Embossed Copper Foil

Data Sheet

Produ ct Descript ion

Applicat ion s

3M 1245 Tape is typically used for

applications requiring excellent electrical

conductivity from the application substrate

through the adhesive to the foil backing.

Common uses include grounding and EMI

shielding in equipment, components, shielded

rooms, etc. The copper foil backing is

solderable and resists oxidation and

discoloration.

3M 1245 Tape consists of an embossed 1-

ounce deadsoft copper foil backing and an

aggressive pressure-sensitive acrylic adhesive.

The edges of the embossed pattern pressed

into the foil cut through the adhesive layer to

establish reliable metal-to-metal contact

between the backing and the application

substrate.

• Embossed deadsoft 1-ounce copper foil

backing

• Conductivity “through the adhesive”

• Supplied on a removable liner for easy

handling and diecutting

Sh ieldin g Effect iven ess

Many factors determine the true shielding

effectiveness of a shielding tape, including

type and thickness of foil, adhesive type,

intimacy of contact, smoothness of application

surface, strength and frequency of the EMI

signal, etc. However, using standard tests and

fixtures, it is possible to determine a value for

the attenuation.

Like all 3M shielding tapes, 3M 1245 is

available in standard and custom widths and

lengths. Standard length is 18 yards.

• Widths from 1/4” to 23”

• Longer lengths up to several times normal

length, dependent upon width. Check with

Customer Service.

For 3M 1245 Tape, typical shielding

effectiveness (far field) is in the range of 75dB

to 85dB (30 MHz to 1 GHz).

Propert ies

Typical Valu es

Backing thickness ¹

1.4 mil (0,04mm)

4.0 mil (.101mm)

25 lb./in (44 N/10mm)

35 oz/in (3,8 N/10mm)

0.001 ohm

Total thickness (backing plus adhesive)

Breaking strength ¹

Adhesion to steel ¹

Electrical resistance through adhesive ²

Flame retardancy ³

Pass

* Footnote: 1. Test method ASTM D 1000

2. MIL-STD-202 Method 307 maintained at 5 psi (3,4 N/cm²) measured over 1 in²surface area. The edges of the

embossing pattern in the foil backing penetrate through the nonconductive adhesive to make metal-to-metal contact

with the application substrate.

3. UL-recognized for flame retardancy per UL 510, Product Category 0ANZ2, File E17385.

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