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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

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.

Application Fields

Semiconductor Lead Frame: Leadframe strip, like c19400, is essential for semiconductor packaging, providing electrical connections and heat dissipation for integrated circuit chips.

Lead Frame (Stamping): Versatile and cost-effective option used in electronics, automotive, and consumer goods for connectors, relays, switches, and sensors.

Lead Frame (Etching): Precise and intricate designs for microelectronics, offering accurate positioning and connections for microchips and sensors.

Automotive Applications: Copper lead frame is vital in automotive industry for electronic control units (ECUs), airbags, engine management systems, and sensors.

Telecommunications and Consumer Electronics: Found in components like connectors, switches, relays, and LEDs, ensuring reliable signal transmission and power distribution.

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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

Production Process

01

Raw materials

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02

Horizontal continuous casting

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Four-sided milling

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Rough rolling mill

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Thick Shear

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06

Uniform hood annealing

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07

Finishing mill

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08

Pickling

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Uniform hood annealing

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Minor finishing mill

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German OTTO air cushion furnace

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12

Stretching and straightening machine

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13

Shear, Striping

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Finished product packaging

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Three-dimensional warehouse

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Delivery and delivery

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Copper Strip & Roll FAQs

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What is copper strip?
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Copper strip is a metal component, mainly used in the production of
electrical components, lamp caps, battery caps, buttons, seals, connectors, and is mainly used as electrical, thermal, and corrosion-resistant equipment. Such as electrical components, switches, gaskets, gaskets, electrical vacuum devices, radiators, conductive base materials and automotive water tanks, heat sinks, cylinder fins and other parts.
Friends who want to buy copper strip & roll, contact Jintian group.
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What are copper strip products used for?
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Copper strip has four main types: pure copper strip, brass strip, bronze strip and nickel silver strip. Pure copper strip is used in manufacture of automobile water tank tubes, heat sinks, electronic parts, semiconductor, automotive and electrical fields, etc.; Roll of Brass strip is widely used in electronic components, switch sockets, building etchings, windshileds, fasteners, nameplates, lables, condenser and heat exchanger, hardware products and clothing, dials, lipstick cases, etc.; Tin phosphor bronze strip is widely used in high-tech electronic field such as computer CPU sockets, car terminals, mobile phone buttons, electronic connectors, etc.; Nickel silver strip is widely used in manufacture of structural parts, elastic components, precision instruments, communication industry, liquid crystal oscillator component shells, etc.