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Brass (copper/zinc),
bronze (copper/tin) copper beryllium are used, depending the size and
function the part.4.6+0.04-0. 4.06 1.38: Wire-wrap terminal
.05 Copper 0.4 thick.0 +0.025
098 0.
96 ____________________________________________________________
Table 4.15 ±0.9 ±0.05 0.09 and 1.6 +0.025
tin tin/lead <15mm
4.06 1.07 1.8 ±0.5 6.1. Another problem that special tools are required.09-0.1.1. The material and pin design should selected to
ensure that the strength the connection does not deteriorate substantially
over time, leading increase the contact resistance.025
1.4.75 ±0.2 Press-in pins
In many cases, the press-in pin component part coupler, namely the
contact and therefore consists the same copper alloy.
Fig.
4.06 Copper 1.0 +0.0 ±0. The PCB should 1.
This type connection plays only minor role the area industrial
connectors.04-0.
The general requirements and testing methods are specified DIN EN
60352-1.9 ±0.6: Finished plated-through holes (from DIN 60352-5)
Diameter offinished plated-through hole (mm)
Metal plating ofplated- Diameter of
Solid press-in Compliant press-in through hole drilled hole
termination termination mm
- 0.4. These materials are subject fatigue through time,
temperature and stress.3 PCBs
PCBs should used accordance with IEC 326-3, IEC 326-5 and IEC
326-6.025
1.5 Wire-Wrap Terminal
For the sake completeness, wire-wrap terminals will discussed briefly. The reason that wire wrapping only suitable for limited
range cross-sections
