Therefore very important that all tools and
personnel are dischargedby touching earthed point before the printed
circuit board any ofthe components are touched. equally important
to discharge the package with the new component before opening it..1050, 690V
Torx T20
K for changing thyristors 1SFA 899012R1002
Ethanol
3. kindly ask you pay notice this, this vital
point order ensure the life span ofthe product.. Step step
-...720, 690V
Hexagon key 18mm for PSTB1050, 600V and PSTB840. Compare this with the fact that some sensitive
components can destroyed when discharged much lower level
(about 100V).. Tools
Hexagon key 10mm
Hexagon key 13mm for PSTB370, 600V and 690V
Hexagon key 16mm for PSTB470.840, 600V and PSTB470.
2.Please note!
The life span electronics can affected damage caused by
electrostatic discharge.. This can happen charged tool person
touches component.
A person walking carpet can charged with fifteen
thousand volt (15000V)
