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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.

General-purpose QFN series (QFN3*3 - QFN6*6)

Product type:

QFN

Product size:

78mm*258mm (popular type)

Unit count:

QFN3*3 series (1575 units/strip) Max

QFN4*4 series (918 units/strip) Max

QFN5*5 series (598 units/strip) Max

QFN6*6 series (429 units/strip) Max

Plating type:

Ag plating, Ni-Pd-Au plating

Tape type:

Innox-(PS-1030-05D)

Tapex-(8331.8332)

Hitachi-(RT321.RT300S)

Nitto-(3610A)

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