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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. Friends who need to buy copper strip, welcome to contact us.

Products

Copper Tube 
- By Types 
  -  Inner-grooved Tube
  -  Level Wound Tube
  -  Pancake Coil
  -  Insulated Copper Tube
- By Application 
  -  Air Conditioning Straight Tube
  -  Copper Water Tube
Copper Fittings 
Copper Plate & Sheet 
- Lead Brass Plate
Copper Strip & Roll 
Copper & Brass & Bronze Rod & Wire 
Copper Wire 
Copper Busbar 
Enameled Copper Wire 
NdFeB Permanent Magnet 
Brass Valves & Pipe Fitting 
- Brass Ball Valve 
  -  Brass Mini Ball Valve
  -  Brass Lockable Ball Valve JKL-279
  -  Brass Ball Valve JKL-9267
  -  Brass Ball Valve JKL-5262
  -  Brass Ball Valve with Strainer JKL-261
- Brass Gate Valve 
  -  Brass Gate Valve JKL-5117
  -  Brass Gate Valve JKL-5114
  -  Brass Gate Valve JKL-167
  -  Brass Lockable Gate Valve JKL-9118
  -  Brass Magnetic Lockable Gate Valve JKL-9119
  -  Brass Check Gate Valve JKL-9169
- Brass Check Valve 
  -  Brass Spring Check Valve
  -  Brass Swing Check Valve
  -  Brass Vertical Check Valve JKL-5425
- Brass Float Ball Valve 
  -  Brass Float Ball Valve JKL-5901
  -  Brass Float Ball Valve JKL-5906
- Brass Angle Valve 
  -  Brass Angle Valve(JKL-SJ-806)
- Brass Stop Valve 
  -  Brass Stop Valve JKL-317
  -  Brass Stop Valve JKL-318
  -  Brass Stop Valve JKL-385
  -  Brass Lockable Stop Valve JKL-316
- Brass Strainer 
  -  Brass Strainer JKL-607
- Brass Pressure Reducing Valve 
  -  Brass Pressure Reducing Valve JKL-737
- Brass Manifold 
  -  Integrated Brass Manifold
- Brass Bibcock 
  -  Brass Bibcock JKL-501
  -  Brass Bibcock JKL-502
  -  Brass Bibcock JKL-5541
- Brass Gas Valve 
  -  Brass Gas Ball Valve JKL-R60001
  -  Brass Gas Ball Valve JKL-R64001
- Brass Flanged Valve 
- Brass Fittings 
  -  Brass Fittings(JKL-4602)

Lead Frame Strip/KFC Certifications

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
Lead Frame (Stamping)
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