FPC Connectors
FPC connectors are used to establish connections between LCD displays and their corresponding driver circuits (PCBs). Currently, products with a 0.4mm pitch dominate the market, while 0.3mm pitch products are also being widely adopted.
Board-to-Board Connectors
The development trend for board-to-board connectors in mobile phones is characterized by ever-decreasing pin pitches and heights. Currently, 0.4mm pitch products are the primary standard, but the trend is gradually shifting toward 0.35mm-or even smaller-pitches. Future requirements will demand even lower profiles and the incorporation of shielding capabilities. Concurrently, the height of BTB (Board-to-Board) connectors is gradually being reduced to as low as 0.9mm.
I/O Connectors
I/O connectors serve as one of the most critical input/output gateways in a mobile phone, facilitating connections for both power supply and signal transmission. Miniaturization and product standardization are the primary directions for future development in this sector.
Card Connectors
Card connectors are predominantly represented by 6-pin SIM card connectors and T-Flash connectors. Future development will focus primarily on improving shielding capabilities and reducing the thickness of SIM card connectors, aiming to achieve ultra-low profiles of just 0.50mm. Additionally, card connector products are evolving toward multi-functionality; "two-in-one" integrated units-combining both SIM card and T-Flash connector functions-have already begun to appear on the market.
Battery Connectors
Battery connectors can be broadly categorized into two types: spring-contact (leaf-spring) types and blade-contact types. The key technological trends for battery connectors include miniaturization, adaptation to new battery interface standards, low contact impedance, and enhanced connection reliability.
Antenna Connectors
Given that making calls is the most fundamental function of a mobile phone, one cannot overlook the connector responsible for linking the phone to its antenna (the device responsible for transmitting and receiving signals-external in older models, but typically built-in in modern devices). This component is known within the industry as the "Antenna Connector." Its primary function is to establish the connection between the phone's PCB and the antenna; notably, the physical shape and design of this connector can significantly impact the antenna's high-frequency performance, potentially leading to signal degradation-such as weak reception or signal instability.