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China Factory for Single Shiny Copper Foil - Copper Strip for Lead Frame – CIVEN

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  • China Factory for Single Shiny Copper Foil - Copper Strip for Lead Frame – CIVEN

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China Factory for Single Shiny Copper Foil - Copper Strip for Lead Frame – CIVEN Detail:

Product Introduction

The material for lead frame is always made from alloy of copper, Iron and phosphorus, or copper, nickel and silicon, which have the common alloy No. of C192(KFC),C194 and C7025.These alloys have high strength and performance.C194 and KFC are most representative for copper, iron and phosphorus alloy, they are the most common alloy materials.

C7025 is the alloy of copper and phosphorus, silicon. It has high thermal conductivity and high flexibility, and do not need heat treatment, also it’s easy for stamping. It has high strength, excellent thermal conductivity properties, and very suitable for lead frames, especially for assembly of high density integrated circuits.

Copper alloys for lead frames are roughly divided into copper iron system, copper nickel silicon system, copper chromium system, copper nickel tin system (jk-2 alloy), etc. ternary and quaternary copper alloys can achieve better performance and lower cost than traditional binary alloys. Copper iron alloys have the most brands and have better mechanical strength, stress relaxation resistance and low creep, It is a kind of good lead frame material. Due to the needs of lead frame fabrication and packaging applications, in addition to high strength and high thermal conductivity, the materials are also required to have good brazing performance, process performance, etching performance, oxide film bonding performance, etc. The materials are developing in the direction of high strength, high conductivity and low cost. A small amount of various elements are added to copper to improve the alloy strength (so that the lead frame is not easy to deform) and comprehensive properties without significantly reducing the conductivity. The materials with tensile strength above 600MPa and conductivity greater than 80% IACS are the research and development hotspot. The copper strip is required to be high surface, accurate plate shape, uniform performance, continuous thinning of strip thickness, gradual thinning from 0.25mm to o.15mm and 0.lmm, and ultra-thin and profiled of 0.07-0.qiao.

Main Technical Parameters

Chemical composition

Name

Alloy No.

Chemical Composition(%)

Fe

P

Ni

Si

Mg

Cu

Copper-Iron-Phosphorus

Alloy

QFe0.1/C192/KFC

0.05-0.15

0.015-0.04

—

—

—

Rem

QFe2.5/C194

2.1-2.6

0.015-0.15

—

—

—

Rem

Copper-Nickel-Silicon

Alloy

C7025

—–

—–

2.2-4.2

0.25-1.2

0.05-0.3

Rem

 Technical Parameters

Alloy No.

Temper

Mechanical properties

Tensile Strength
MPa

Elongation
δ≥(%)

Hardness
HV

Elctricity Conductivity
％IACS

Thermal Conductivity

W/（m.K）

C192/KFC/C19210

O

260-340

≥30

＜100

85

365

1/2H

290-440

≥15

100-140

H

340-540

≥4

110-170

C194/C19410

1/2H

360-430

≥5

110-140

60

260

H

420-490

≥2

120-150

EH

460-590

—-

140-170

SH

≥550

—-

≥160

C7025

TM02

640-750

≥10

180-240

45

180

TM03

680-780

≥5

200-250

TM04

770-840

≥1

230-275

Note: Above figures based on the material thickness 0.1~3.0mm.

Typical Applications

● Lead frame for Integrated Circuits, Electrical connectors, Transistors, LED stents.

Product detail pictures:

China Factory for Single Shiny Copper Foil - Copper Strip for Lead Frame – CIVEN detail pictures

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Our pursuit and firm aim should be to "Always fulfill our buyer requirements". We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for China Factory for Single Shiny Copper Foil - Copper Strip for Lead Frame – CIVEN , The product will supply to all over the world, such as: Angola, Korea, Naples, Please really feel free to send us your requirements and we'll respond to you asap. We have got a professional engineering group to serve for your just about every detailed needs. Cost-free samples could be sent for you personally to understand much more information. In an effort to meet your requires, please really feel free to make contact with us. You may send us emails and contact us directly. Moreover, we welcome visits to our factory from around the globe for much better recognizing of our organization. nd items. In our trade with merchants of numerous countries, we usually adhere for the principle of equality and mutual benefit. It is actually our hope to market, by joint efforts, each trade and friendship to our mutual advantage. We look forward to getting your inquiries.
    • The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Gladys from Bahamas - 2017.10.23 10:29
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Ophelia from Kuwait - 2018.09.23 18:44
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