Boards/Backplanes

Enabling reliable PCB termination when space is limited

2nd April 2014
Nat Bowers

 

In miniaturised applications such as retrofit bulbs and LED lighting units, ERNI Electronics enables reliable PCB connections with the IDC-PCB terminals. With a total height of just 2.0mm these terminals eliminate manual preparation (stripping) of wires prior to termination.

The dual IDC contact blades provide a reliable, gas-tight connection to the conductor wire. This means that costly and unreliable hand soldering can be avoided and discrete wires can be processed reliably and reproducibly.

The overall dimensions of 2.4x2.0x2.0mm and the required PCB space are significantly smaller compared to other solutions. A cap guides the wire in the terminal, whilst also serving as a strain relief mechanism. Versions with closed end (wire stop) or feed-through (daisy chain capability) are available. Guides in the contact element guarantee correct connection, whilst detents ensure a secure hold

The SMT-mounted PCB terminals are suitable for solid and stranded wires. In spite of their compact dimensions, they can support a maximum current carrying capacity of 6.0A (AWG 24 at 20°C) or 17A (AWG 22). The IDC terminals are specified for an extended temperature range of up to 150°C.

The IDC terminals are supplied in tape and reel packaging of 5000 pieces in order to facilitate fully automated board assembly. They are also suitable for backside reflow soldering on modern SMT lines.

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