Overview of U.FL-R-SMT RF Coaxial Connector (IPEX-1)

The U.FL-R-SMT RF Coaxial Connector, also known as IPEX-1, is a compact surface-mount connector predominantly utilized in radio frequency (RF) applications. It is particularly prevalent in wireless communication devices due to its small size and effective performance.

Key Features

• U.FL (IPEX): An ultra-miniature RF connector developed by Hirose Electric Group. Also referred to as IPEX, it is designed for space-constrained devices and is frequently used to connect antennas in Wi-Fi, GPS, and cellular modules.
• SMT (Surface Mount Technology): The connector is engineered to be affixed on the surface of a printed circuit board (PCB), as opposed to using through-hole technology.
• RF (Radio Frequency): The connector is purposed for RF signals, which are generally high-frequency signals employed in wireless communication systems.
• Coaxial: This term describes a type of cable or connector that features an inner conductor enveloped by an insulating layer, further enclosed by an outer conductor. Coaxial cables are utilized to transmit RF signals with minimal interference.

Applications and Usage

The U.FL connector is commonly used in Wi-Fi modules, Bluetooth devices, cellular antennas, and GPS systems where space is limited. It is recognized for its ease of connection and disconnection. However, its durability can be compromised with frequent handling, hence it is not designed for repeated use.

Technical Specifications

• Annoyance rate range: 0-6GHz
• Characteristic impedance: 50ohm
• Insulation resistance: 500M ohm min
• Withstand voltage: 200V AC
• Voltage standing wave ratio: 1.3Max(0.1-3GHZ), 1.45Max (3-6GHZ)
• Constant voltage: 60V AC
• Contact resistance: 20 milliohm Max