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        CN

        Leadframe

        HENGHUI high-precision etched metal leadframe factory is equipped with a 23,000m2 production workshop and supporting water and electricity facilities. It employs independently developed production technologies and has custom-imported internationally advanced production, testing equipment, and instruments. Utilizing maskless exposure technology and roll-to-roll continuous production processes, the factory offers a diverse product range covering thousands of series, including QFN, DFN, RTQFN, DRQFN, PPF, RTPPF, and wide-width QFN. With a current annual production capacity of 50 million strips, its products break international monopolies, fill domestic gaps, and widely replace imported alternatives. The company is committed to delivering continuous value to customers with first-class products and services.

        High-Reliability Surface Treatment Solutions

        Product type:

        DFN/QFN

        Product size:

        78mm*258mm (popular type)

        Unit count:

        QFN7*7 series      Max. Pin Count: 80L (306 units/strip)Max

        QFN8*8 series      Max. Pin Count: 84L (232 units/strip)Max

        QFN9*9 series      Max. Pin Count: 92L (182 units/strip)Max

        QFN10*10 series  Max. Pin Count: 96L (144 units/strip)Max

        Plating type:

        Ag plating (Brown Oxide), Ni-Pd-Au plating (rough Ni/rough Cu)

        Roughening treatment:

        Physical sand-blasting——Sr 1.0-1.1

        Micro-etching——Sr 1.2-1.5

        Brown oxide treatment——Sr 1.4-1.8

        Application area:

        PC, Mobile, Consumers, Industrial, Automotive, Power

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