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Appendix D
Electrostatic Discharge
A discharge of static electricity from a finger or other conductor
may damage system boards or other static-sensitive devices. This
type of damage may reduce the life expectancy of the device.
Preventing Electrostatic Discharge
To prevent electrostatic damage, observe the following precautions:
■
Avoid hand contact by transporting and storing products in
static-safe containers.
■
Keep electrostatic-sensitive parts in their containers until they
arrive at static-free workstations.
■
Place parts on a grounded surface before removing them from
their containers.
■
Avoid touching pins, leads, or circuitry.
■
Always be properly grounded when touching a static-
sensitive component or assembly.
Grounding Methods
There are several methods for grounding. Use one of more of the
following methods when handling or installing electrostatic-
sensitive parts.
■
Use a wrist strap connected by a ground cord to a grounded
workstation or computer chassis. Wrist straps are flexible straps
with a minimum of 1 megohm +/- 10 percent resistance in the
ground cords. To provide proper ground, wear the strap directly
against the skin.
■
Use heelstraps, toestraps, or bootstraps at standing workstations.
Wear the straps on both feet when standing on conductive floors
or dissipating floor mats.
Electrostatic Discharge
D-1
Part Number 228988-001 File Name APPD.DOC
Writer Dianne Fielden Saved Date 12/13/95 03:44 PM