Diamond-shaped metal shell with a flange equipped on the bas

National military standard product. There are two types of leads: copper core 4J29 or oxygen-free copper, and two types of bases: oxygen-free copper and tungsten copper. When the gold-plated shell bonds with aluminum wire / silicon aluminum wire, there is no risk of forming gold-aluminum compound. Available performance: air leakage rate ≤1×10－11Pa·m³/s; insulation resistance≥1×10^9Ω（500VDC）; temperature cycle: -65～175℃, 1000 times; thermal shock: -65～150℃, 15 times