The flexible printed circuit connector, abbreviated as FPC connector, is known for its high cable density, lightweight, and thin profile, earning it names such as "soft circuit boards," "soft printed circuit boards," or "flexible circuit boards." Typically, FPC connectors are made from polyimide (PI) or polyester film (PET) as raw materials, enhancing their reliability. These connectors are employed to link the LCD display to the driver circuit (PCB), primarily utilizing 0.5mm pitch products.
The structure of FPC connector products
The FPC connector can achieve a thin profile. To minimize the connector’s footprint and achieve miniaturization, especially for high-frequency signal transmission connectors, it comprises four components: rubber core, tongue, terminal, and welding piece. The following provides details about these four parts.
- The function of the FPC connector rubber core is to protect the terminal, provide insulation, guide connection, and offer mechanical strength. The manufacturing process for the FPC connector rubber core typically involves injection molding, with the material mostly being PA9T.
- The purpose of the FPC connector tongue is to crimp the wire, provide insulation, guide connection, and offer mechanical strength. The manufacturing process for the FPC connector tongue usually involves injection molding, with the material being PA10T or PPS.
- The role of the FPC connector terminal is to transmit electronic signals. The manufacturing process involves stamping plating (gold plating or tin plating) to enhance the product’s welding ability. The material used is phosphor bronze C5191.
- The function of the FPC connector welding sheet is for component positioning, fixing, and increasing strength. The manufacturing process also involves stamping plating (gold plating or tin plating) to improve the product’s welding ability. The material used is bronze C2680.
FPC Connector using
FPC connectors come in various types, offering small size, miniaturization, space efficiency, high density, simple wiring procedures, and excellent flexibility with the ability for flexible folding and expansion. As a result, their application field is broad. FPC connectors find extensive use in:
- LCD displays, scanners, and other electronic equipment.
- Computer host boards, liquid crystal displays, telecommunications cards, memory, and mobile hard disks, including various mobile devices. Impact-resistant backlock mechanism connectors are increasingly utilized in mobile devices like phones, MP3 players, and laptops when employing FPC connectors.
- Automotive electronic connectors, car GPS navigation systems, medical equipment, and a wide range of products in audio, digital machines, cameras, car audio systems, TVs, typewriters, calculators, cash registers, telephones, CD-ROMs, VCDs, DVDs, copiers, printers, wireless instrumentation, video call equipment, and high-tech aerospace products.