IBM FK-2001 Operator's Manual page 7

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Mechanical Specifications:
Our Shape & Appearance:
Key Travel:
Type of Performance:
Operating Force:
Key Touch-Feeling:
Key Thrust Pressure Strength:
Key Switch Electrical
Specifications:
Contact Resistance:
Insulation Reistance:
Dielectric Withstanding Voltage:
Contact Bounce:
Operating Point:
Operating Life:
Environmental Test Condition:
Operating Temperature
Storage Temperature:
See each schematic drawing attached
3.5
+0.5mm
Non-Lock Release Type
10-2 2),e7am.
There shall be no troubles (such as
squeaking,
catching locking) in the
key movement when pushing gently
the top surface
of keytop with a
speed of three times/Sec.
There shall be no damage or breakage
to
the
keyboard
when
subjected
to
a
l-minute
duration
of 1ON
(1.02kgf) depression pressure applied
onto a key in its moving direction.
< 200 mQ (typical 25 mQ)
50
MQ,
or
more
when
measured
with an insulation resistance tester
of DC 100V
.
There
shall be no harmful
effects
when
subjected
to 1-minute dura-
tion of A.C. 100V applied.
5m. Sec. or less
2.4 + 0.5mm (0.09"' + 0.02"')
After
20-million
operations
under
the resistance load of DC 5V 5mA
applied, the switch must satify such
conditions as follows:
Environmental testing, unless other-
wise specified, must be conducted
under
the
following
conditions:
Temperature:
20°C + jae
Humidity:
65% + 5%
—20 ~ +60°C
—30 ~ +70°C
—|l-

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