LEAD FRAME STRIP
(COPPER LEAD FRAME)
LEAD FRAME STRIP
Lead frames are typically made from copper alloys, including those with copper (Cu) combined with iron (Fe), nickel (Ni), or sometimes silver (Ag)
BASIC PROPERTIES OF LEAD FRAME
Copper lead frames is a copper alloy with many outstanding advantages in terms of electrical conductivity, mechanical strength, machinability, corrosion resistance and thermal stability.
Chemical components
| Alloy code | Chemical composition (%) |
||||||
|---|---|---|---|---|---|---|---|
| Pb | Fe | Sn | Zn | P | Cu | Hardness (H) |
|
| C1921 | – | 0.05-0.15 | – | – | 0.015-0.050 | Remain | O; H/2; H |
| C1940 | ≤ 0.03 | 2.1-2.6 | – | 0.05-0.20 | 0.015-0.150 | Remain | O; H/2; H; EH; SH |
APPLICATIONS LEAD FRAMESTRIP
Copper lead frames are widely used in the electronics and electrical industries, especially in the production of lead frames and integrated circuit components.
