Erni's model D connector to DIN 41612 is 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 1,550 kV (50 Hz, 1 min).
For this connector design, Erni 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 also new.
This type D socket connector offers the following advantages:
* Solder lugs are aligned in longitudinal direction, which 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 (1 mm hole diameter).
* With the 1,2 x 0,6 mm termination mode, however, the socket connector can also be inserted in existing bus boards with 1 mm hole diameters.
* When using socket ERNI press-fit solderless connectors, a simpler flat press-in tool is used.
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