A new four rail compact medium junction box for terminating foils of a PV panel

by donpedro

Featuring an extremely low profile and a segmented solder area, this junction box saves potting material for the solar industry OEMs, when connecting the foils on their solar panels. In addition to the low profile, the overall dimensions have also been optimized to reduce necessary bonding material for moun­ting onto the back sheet. Benefiting from its overmoulded low profile (only 13mm height), the compact medium junction box can easily be applied on the back sheet of solar panels with silicon glue or double sided ad­he­sives. The connecting pads are located in separate rectangular openings for defined and easy soldering of the cross connects on to the pads. The low profile design has been achieved by using flat surface mounted device (SMD) diodes mounted on extremely wide inner rails to guarantee excellent thermal management capabilities.

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