SCA3000 Assembly Instructions

7

Hand Soldering Guidelines

Hand soldering of the SCA3000 MID package is not recommended. For proto-uses of the

SCA3000 component, VTI can provide pre-assembled component on a PWB.

For hand soldering of the SCA3000 component, VTI recommends eutectic tin-lead solder paste

due to the lower melting point compared to lead-free solder pastes.

Soldering is possible by applying solder paste onto PWB land pads and then using reflow heating

or soldering iron to melt the paste and achieve the soldered joint.

To make the manual hand soldering with soldering iron easier, VTI recommends increasing the

PWB land pads length toward the outside of the package by up to 1mm, as shown in Figure 11

below. This extra area is helpful when soldering iron is being used. The hand soldering method is

presented in more detail below.

Figure 11. Recommended PWB land pad lengthening for and soldering.

Narrow signal traces to component PWB soldering pads to optimize the conduction of heat to

solder paste and component leads. See figure 12 for details.

Figure 12. Narrowed PWB signal traces and use of soldering iron.

1 mm pad

extension

Component

lead

PWB soldering

Narrow

trace

Area for

soldering

iron

PWB signal

trace

VTI Technologies Oy

Subject to changes

13/15

www.vti.fi

TN54

Rev.C