Typical electrostatic voltage levels
Relative humidity
Event
10%
40%
55%
Walking across carpet
35,000 V
15,000 V
7,500 V
Walking across vinyl floor
12,000 V
5,000 V
3,000 V
Motions of bench worker
6,000 V
800 V
400 V
Removing DIPS from plastic tube
2,000 V
700 V
400 V
Removing DIPS from vinyl tray
11,500 V
4,000 V
2,000 V
Removing DIPS from Styrofoam
14,500 V
5,000 V
3,500 V
Removing bubble pack from PCB
26,500 V
20,000 V
7,000 V
Packing PCBs in foam-lined box
21,000 V
11,000 V
5,000 V
Preliminary replacement requirements
21
Содержание Folio 13
Страница 1: ...HP Folio 13 2000 Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ...
Страница 8: ...viii ...
Страница 11: ...2 External component identification 3 ...
Страница 46: ...3 Remove the USB Audio board 3 38 Chapter 4 Removal and replacement procedures ...
Страница 76: ......
