The model D connectors to DIN 41612 from Erni are suitable for applications with current loads of 4 A at 70°C. Based on a contact gap of 5,08 mm, the dielectric strength is 1550 V (50 Hz, 1 min). For the socket connectors of this design, Erni has developed a new generation of spring contacts with connection cross-sections 0,6 x 1,2 mm dip-solder design, and 0,6 x 0,6 mm for dip-soldering or solderless press-in technology. Hand-soldering connections with dimensions 0,6 x 2,0 x 8 mm are likewise new.
This type D socket connector offers the following advantages:
* The solder lugs are aligned in longitudinal direction in the new design. This allows easier hand-soldering.
* The design with connection cross-section 0,6 x 0,6 mm, in conjunction with the PCB, has greater dielectric strength than the model C socket connectors, which have the same cross-section.
* Used on a bus board together with model C socket connectors, holes need only be drilled for contacts with 0,6 x 0,6 mm cross section (hole diameter = 1,0 mm).
* However, with the 1,2 x 0,6 mm termination mode the socket connector can also be inserted in existing bus boards (hole diameter = 1,0 mm).
* When using socket Erni press-fit solderless connectors, a simpler flat press-in tool is required.
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