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PowerRadSok

Steckverbindungen mit dem bewährten RadSok System von Amphenol


PowerRadSok

Description

PowerRadSok Power Elements are the pluggable high current terminal blocks of Würth Elektronik. The contact blades were developed by Amphenol. Reduce the assembly time of your service engineers or the efforts of your customers. Simply plug in, no screwing, done! Depending on the layout, currents of up to 400 ampere are possible. Therefore Power Elements perfectly qualify as connecting elements for fuses, switches and cables to the circuit board or as mounting elements.

Application Possibilities

  • Board-to-board
  • Wire-to-board
  • Retainers/fastenings, fuses
  • Easy to maintain connections through plugging instead of screwing
  • In combination with PowerLamella

Processing

Würth Elektronik PowerRadSok Power Elements are pressed in into the circuit board. Soldering is not necessary. Therefore the PCBs are not exposed to temperature stress. This processing step easily blends in to the processing chain and is highly cost efficient. With the aid of the corresponding Press Fit tools, several Power Elements can be pressed in simultaneously.

  • For assembling prototypes, no special equipment is needed for pressing in, a simple toggle press is sufficient
  • The circuit board needs support during the pressing procedure
  • The pressing force must be executed in a 90° angle to the circuit board
  • Plated through holes of the circuit board must be executed according to our indications
  • PowerRadSok Power Elements are designed to be pressed into the circuit board. Soldering is not provided
  • Cable shoes must be processed with adequate crimping tools

Circuit Board Design

For the massive Press Fit Technology the PCBs are to be finished according to the Würth Elektronik ICS Press Fit specifications (see product details). Particular attention should be paid to the drill diameter and the copper thickness. Due to the different layer thicknesses of Hot Air Levelling compared to chemical surfaces, the final diameters vary.

Current Carrying Capacity

The current carrying capacity of a Press Fit connection needs to be seen in the context of the overall system. The Press Fit zone has a very low electrical contact resistance of 100_–_200 μOhm. The limiting factor therefore usually lies in the circuit board layout or in the connection of a feed line. The plugging elements have an electrical contact resistance of 0.2 mOhm at Ø 3.6 mm, 0.095 mOhm at Ø 6.0 mm, 0,075 mOhm Ø 8,0 mm, 0,075mOhm at Ø 10,3 mm and 0.028 mOhm at Ø 14.0 mm. Reference values for a pre-dimensioning can be found in the product details.