Classification of Kobe Copper Alloys for Leadframes

 

Properties

Alloys

Alloy Systems

Applications

Equivalent Competitive Alloys

 

 

Higher

Electrical

Conductivity

  &

Lower Strength

 

 

 

 

 

 

 

 

Lower

Electrical

Conductivity

  &

Higher

Strength

C10200/

C11000

Cu

Heat Sink

-

C12200

Cu

Power transistor, Transistor

-

C19210

(KFC)

Cu-Fe-P

Heat spreader, Stiffener,

Power transistor Transistor,

Mini transistor, IC

C15100,

C15150,

TAMAC2

TAMAC4, EFTEC-3,

EFTEC-7

PMC90, K75, K80

  -  (KLF-2)

Cu-Fe-P

IC

C50590

(KLF-4)

Cu-Sn-Fe-P

IC

-

C19400

(KLF194)

Cu-Fe-Si

Transistor,

Mini transistor, IC

C19400,

K75, EFTEC64T

  -  (KLF16)

Cu-Fe-Si

IC

-

C64710

(KLF-1)

Cu-Ni-Si

IC

C70250, PMC102, STOL76

C50715

(KLF-5)

Cu-Sn-Fe-P

Mini transistor,

IC

C70250, PMC102, STOL76

K62, TAMAC15,

42 alloy

C40820

(CAC58)

Cu-Sn-Ni-P

Mini transistor

C64730

(KLF125)

Cu-Sn-Ni-Si

Mini transistor,

IC

C70250, TAMAC15,

42 alloy

C51910

(DPB2)

Cu-Sn-P

Mini transistor

PMC102, STOL76,K62

TAMAC15, HCL305

Copper plated 42 alloy

C72500

(CAC92)

Cu-Ni-Sn

Transistor,

Mini transistor, Diode,

LED

 

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