50A SMT Screw Terminal Connector with M3 Thread for High-Power PCB Applications

7466203R is a high-performance SMT screw-type power connector from REDCUBE's WP-SMBU series, featuring a high current-carrying capacity of 50A and designed specifically for high-power supply applications on PCBs. This device combines the advantages of automated surface-mount production with the high reliability of screw connections, addressing industry points such as insufficient current-carrying capacity in traditional surface-mount connectors, the inconvenience of installing and removing terminal blocks, and excessive heat generation under high-current conditions. It serves as a core component for high-current electrical connections in fields such as industrial power supplies, new energy equipment and industrial control equipment.

• Rated current: 50A under standard operating conditions; designed with a low contact resistance structure, it can carry high currents stably over the long term and offers excellent short-term overload capacity
• Thread specification: Standard M3 thread design; with moderate tightening torque, it ensures a secure connection that is resistant to loosening, and is suitable for conventional high-power wire terminals
• Mounting method: SMT vertical mounting, suitable for mass production using fully automated placement machines and compatible with hot-air reflow soldering processes
• Body material and plating: Made from high-quality brass with a tin-plated surface, specifically optimised for reflow soldering processes, offering excellent resistance to oxidation and soldering heat
• Dimensions: Terminal base diameter of 7 mm; compact design that significantly reduces PCB space requirements whilst ensuring sufficient current-carrying capacity
• Electrical Characteristics: Large-area pad contact design ensures extremely low contact resistance; minimal self-heating loss during operation and high electrical transmission efficiency
• Mechanical Performance: Excellent clamping force and torsional strength; highly resistant to loosening under prolonged vibration and temperature fluctuations; exceptional mechanical stability

• Industrial control equipment: Industrial variable-frequency drives, servo drives, high-power industrial control power supplies
• New energy equipment: Small-scale energy storage modules, photovoltaic inverters, high-power on-board power supply modules
• Power equipment: Switch-mode power supplies, high-power rectifiers, power distribution control boards
• Smart devices: Large industrial control hosts, power supply units for automated equipment, high-power communication base station equipment