Page 232 - CITS - Electronic Mechanic - TT - 2024

ELECTRONICS MECHANIC - CITS

Lead-free solder wire is available in many compositions but the most common composition is Tin / Silver / Copper
in the Ratio 96.5% / 3.0% / 0.5. Solder wire is available in different diameters such 2.0mm, 1.5mm, 1.0mm,
0.5mm, 0.2mm etc. For mobile phone repairing 0.5mm solder wire is best suitable. Alpha Cookson is a world
renowned manufacturer and supplier of solder wire and other soldering material.

5 Multimeter:
A multimeter can be analog or digital. In mobile phone repairing, mostly a digital multimeter is used to find faults,
check track and components. Always buy a good quality reliable ESD-Safe digital Multimeter for mobile repairing
works.

6 Antistatic Mat (ESD Mat):

An ESD Mat or Antistatic Mat is laid or placed on the table or workbench where mobile repairing is done. The mat
is grounded using a grounding cord or normal grounding wire. This prevents damage from static electricity.

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CITS : E & H - Electronics Mechanic - Lesson 130 - 145