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Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.
  • Lead Frame Strip/KFC
  • Lead Frame Strip/KFC

Lead Frame Strip/KFC

C19210 and C19400 are mainly used in semiconductor lead frame industry. This series of alloy has good electrical conductivity and high temperature softening resistance, and excellent material surface quality, which can improve packaging reliability and stability.

Lead Frame Strip/KFC Certifications
  • ISO9001
  • ISO14001

Lead Frame Strip/KFC Advantages

  • Lead frame material has good strength, electrical conductivity, thermal conductivity and other comprehensive performance, can meet the design requirements of lead frame industry.

  • The lead frame material has good performance of softening at high temperature and resisting thermal stress relaxation, which can improve the reliability of devices under working conditions.

  • Lead frame material surface quality is excellent, with good plating and weldability, for the subsequent processing technology to provide convenience.

Lead Frame Strip/KFC Application Fields

  • Semiconductor Lead Frame
    Semiconductor Lead Frame
  • Semiconductor Lead Frame
    Semiconductor Lead Frame
  • Lead Frame (Stamping)
    Lead Frame (Stamping)
  • Lead Frame (Etching)
    Lead Frame (Etching)

Lead Frame Strip/KFC Performance Parameter


Chemical composition of C19210

The main elements

Cu

Fe

P

Content / %

Rem.

0.05-0.15

0.025-0.04


Physical properties of C19210

The density of

8.9

g/cm3

Conductivity @ 20 ℃

89

%IACS

Thermal conductivity @ 20 ℃

350

W/(m • K)

Specific heat capacity

0.385

J/g • K)

Poisson's ratio

0.33

-

Modulus of elasticity

125

GPA

Surface roughness

0.12 or less

um


Mechanical properties of C19210

state

Hardness/HV

Tensile strength /MPa

Yield strength /MPa

Elongation/A50%

1/4H

100-120.

310-380.

280-350.

15 or more

1/2H

110-130.

350-420.

300-390.

5 or more

H

120-135.

390-460.

P 350

3 or higher

EH

130-150.

420-490.

P 400

1 or more


Chemical composition of C19400


The main elements

Cu

Fe

P

Content / %

Rem.

2.1-2.6

0.015-0.15



Physical properties of C19400


The density of

8.8

g/cm3

Conductivity @ 20 ℃

66

%IACS

Thermal conductivity @ 20 ℃

280

W/(m • K)

Specific heat capacity

0.385

J/g • K)

Poisson's ratio

0.33

-

Modulus of elasticity

121

GPa

Surface roughness

0.12 or less

um



Mechanical properties of C19400

state

Hardness/HV

Tensile strength /MPa

Yield strength /MPa

Elongation/A50%

1/2H

115-135.

370-430.

320-420.

10 or higher

H

125-145.

420-470.

P 390

5 or more

EH

135-150.

460-505.

P 440

2 or more

SH

140-160.

485-525.

-

2 or more


Lead Frame Strip/KFC Production Process

Lead Frame Strip/KFC Production Process
  • 01
    Raw materials
  • 02
    Horizontal continuous casting
  • 03
    Four-sided milling
  • 04
    Rough rolling mill
  • 05
    Thick Shear
  • 06
    Uniform hood annealing
  • 07
    Finishing mill
  • 08
    Pickling
  • 09
    Uniform hood annealing
  • 10
    Minor finishing mill
  • 11
    German OTTO air cushion furnace
  • 12
    Stretching and straightening machine
  • 13
    Shear, Striping
  • 14
    Finished product packaging
  • 15
    Three-dimensional warehouse

Lead Frame Strip/KFC Executive Standard

JIS H3110: 2018

Lead Frame Strip/KFC Production Equipments

  • Germany Simark Mill Unit
    Germany Simark Mill Unit
  • Mino Mill
    Mino Mill
  • Germany WSP Continuous Air Cushion
    Germany WSP Continuous Air Cushion
  • Annealing Furnace Bending and Straightening Production Line
    Annealing Furnace Bending and Straightening Production Line
  • Pickling Line
    Pickling Line
  • Packaging Unit
    Packaging Unit
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