TF PUSH external welding (all gold) 8pin with bullet card holder, TF PUSH external welding 9pin card holder (self-bouncing) SD cell phone reader card holder, TF card holder PUSH external welding type main specifications of special features TF card holder, that is, the place where you insert the TF memory card, according to the specifications of this product for the TF self-bouncing external welding type card holder. Material and surface treatment, TF card holder, material and surface treatment shell: material for the SUS stainless steel, characterized by high hardness, good elasticity, long service life. Shell: material for the Sus stainless steel, characterized by high hardness, good elasticity, long service life. Terminals: material for phosphorus copper, characterized by good elasticity, wear resistance, low contact impedance, the contact surface for gold-plated, wear-resistant and beautiful appearance of the product, and fast information transmission, terminals: material for phosphorus copper, characterized by good elasticity, wear resistance, low contact impedance, the contact surface for gold-plated, wear-resistant and beautiful appearance of the product, and fast information transmission core: material for LCP material, characterized by high temperature resistance, high Insulation, so that the product SMT over 260 high temperature without deformation, blistering PUSH bar: material for the LCP material, characterized by high temperature resistance, so that the product SMT over 260 high temperature without deformation, blistering, pop up when the role of sliding PUSH bar: material for the LCP material, characterized by high temperature resistance, so that the product SMT over 260 high temperature without deformation, blistering, pop-up sliding PUSH bar: material for the LCP material, characterized by high hardness, so that the product SMT over 260 high temperature without deformation, blistering, pop-up sliding role of PUSH bar: material for the Stainless steel, characterized by high hardness, so that the product is not deformed in the process of pushing and pulling the push rod: material for stainless steel, characterized by high hardness, so that the product is not deformed in the process of pushing and pulling the spring: material for the heat-treated stainless steel, characterized by high hardness, good elasticity, long service life, so that the product can withstand more than 5,000 times of the life of the test, spring: material for the heat-treated stainless steel, characterized by high hardness, good elasticity, long service life, so that the product can withstand more than 5,000 times of the life test Spring: material for heat-treated stainless steel, characterized by high hardness, good elasticity, long service life, so that the product can withstand the positioning piece: material for phosphorus copper, characterized by easy production, dimensional stability, the role of the product is to make the product fixed more firmly Usage: applicable to the cell phone and digital products SMT process, used to load the memory card positioning piece: material for phosphorus copper, characterized by easy production, dimensional stability