stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal stock 10pcs HEF4027BP in HEF4027 new 100% trigger DIP-16 orginal