LEADFRAME COPPER ALLOY (C194, C19210)

Characteristic:

 C194:High strength, high electrical conductivity(60% IACS or Higher), fine crystal structure, strong corrosion resistance, good weldability, high softening resistance (450℃).

 C19210:High electrical conductivity (85% IACS or more), good processability, strong corrosion resistance, high softening resistance (390℃).

Application:

 LED lighting and backlight, transistor, diode, integrated body, single, Leadframe, Heat sink, automotive fuses, automotive terminals.

 


COPPER TIN ALLOY (C1441, C5050)

Characteristic:

 C1441/C14415:High conductivity (80/90% IACS), good thermal conductivity, high corrosion resistance, good plating, high softening temperature(390℃).

Application:Lead frame, automotive water tank, freezer fins, electrical switches, relays.


 

Alloy No Chemical Composition(%) Electrical Conductivity-IACS Temper Vickers Hardness Tension Strength
(N/mm²)
Elongation (%) Download
C14415 Cu+Sn≧99.96
Sn:0.1~0.15
≧90 O ≦70 195~245

≧35

Download
1/4H 65~100 215~295 ≧25
1/2H 80~110 255~335 ≧15
3/4H -- -- --
H 100~125 315~395 ≧5
EH 120~145 385~460 ≧2
SH 130~150 450~510 --
ESH ≧140 ≧490 --

C7025 Ni:2.2~4.2
Si:0.25~1.2
Mg:0.05~0.3
Zn≦1.0
Fe≦0.2
Mn≦0.1
Pb≦0.05
Cu:Rem
≧40 O 180~210 620~755

≧10

Download
1/4H -- -- --
1/2H 200~230 655~825 ≧7
3/4H 220~250 685~860 ≧5
H 240~270 795~900 ≧1
EH -- -- --
SH -- -- --
ESH -- -- --

C7026 Ni:1.0~3.0
Si:0.2~0.7
P≦0.01
Cu:Rem
≧40 O 170~200 590~655

≧25

1/4H -- -- --
1/2H 190~220 675~745 ≧7
3/4H 210~240 725~795 ≧5
H 230~260 755~835 ≧1
EH -- -- --
SH -- -- --
ESH -- -- --

*Electrical conductivity is the annealing value