> 6.3 | Board-to-Board Application Connector

> This section provides the specifications of the 80-pin board-to-board connector used to connect TC65 to the external application.
> Connector mounted on the TC65 module:
> Type: 52991-0808 SlimStack Receptacle 80 pins, 0.50mm pitch, for stacking heights from
> 3.0 to 4.0mm, see Figure for details.
> Supplier: Molex, http//www.molex.com

> Table 40: | Technical specifications of Molex board-to-board connector

> Parameter | Specification (80-pin B2B connector)
> Electrical
> Number of Contacts | 80
> Contact spacing | 0.5mm (.020")
> Voltage | 50V
> Rated current | 0.5A max per contact
> Contact resistance | 50mΩ max per contact
> Insulation resistance | > 100MΩ
> Dielectric Withstanding Voltage | 500V AC (for 1 minute)
> Physical
> Insulator material (housing) | White glass-filled LCP plastic, flammability UL 94V 0
> Contact material | Plating: Gold over nickel
> Insertion force 1 st | < 74.4N
> Insertion force 30 th | < 65.6N
> Withdrawal force 1 st | > 10.8N
> Maximum connection cycles | 30 (@ 70mΩ max per contact)

> Mating connector types for the customer's application offered by Molex:

> • | 53748-0808 SlimStack Plug, 3mm stacking height, see Figure for details.

> • | 53916-0808 SlimStack Plug, 4mm stacking height

> Figure 49: Molex board-to-board connector 52991-0808 on TC65
> Figure 50: Mating board-to-board connector 53748-0808 on application