TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales
@
tocos.com www.tocos.com
68
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . . 10Ω to 5MΩ
(standard 1, 2 & 5 sequence )
Resistance Tolerance . . . . . . . . . . . . . . .
%
10% and
%
20%
End Resistance . . . . . . . . . . 1% or 1Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.) . . . . . . . 1% or 1Ω, whichever is greater
Power Rating . . . . . . . . 0.5 watt at
~
70&C, 0 watt at
~
125&C
Maximum Input Voltage . . . . . . . . 250VDC or power rating,
whichever is smaller
Temperature Coefficient . . . . . . . . . . . . . . . .
%
100ppm /&C
Insulation Resistance . . . . . 1,000MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . 900VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 210&
%
10&
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 250&
%
10&
Shaft Torque . . . . . . . . . . . . . . 200 gf
•
cm (2.77 oz
•
in) max.
Stop Strength . . . . . . . . . . . . . . 500 gf
•
cm (6.93 oz
•
in) min.
Flammability of Plastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . 0.54g (PK, P1K, WK, UK)
0.64g (SK, S1K, XK, X1K,VK, V1K)
Marking . . . . . . . . . Resistance code, date code, model type
Environmental
Temperature Range . . . . . . . . . . . . . . . . . !55&Cto
~
125&C
Low Temperature Operation . . . . !55&C, 0.5 watt, 2 hours
∆T/R
)
%
2%, S.S.
)
%
2%
High Temperature Exposure . . . . . . . . .
~
125&C, 250 hours
∆T/R
)
%
2%, S.S.
)
%
2%
Load Life . . . . . . . . . . . . . . . . .
~
70&C, 0.5 watt, 1,000 hours
∆T/R
)
%
3%, S.S.
)
%
2%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . !55&C,
~
125&C,
30 minutes each, 5 cycles
∆T/R
)
%
1%, S.S.
)
%
1%
Shock . . . . . . . . . . . . 100G, 6ms, 6 directions, 3 times each
∆T/R
)
%
1%, S.S.
)
%
1%
Vibration . . . . . . . . . . . . . . . . 10-2,000Hz, 1.5mm amplitude,
20G, 12 hours
∆T/R
)
%
1%, S.S.
)
%
1%
Humidity . . . . . . . . . . . . . . . . . . . . . . . .
~
40&C, 90-95%RH,
0.5 watt, 500 hours
∆T/R
)
%
3%, S.S.
)
%
2%
Moisture Resistance . . . . . .
!
10&C to
~
65&C, 80-98%RH,
0.5 watt, 10 cycles, 240 hours
∆T/R
)
%
2%
Soldering Heat Resistance . . . . . . . . . . . 350&C, 3 seconds
∆T/R
)
%
1%
Seal Test . . . . . . . . . . . . . . . . .
~
85&C, hot water for 1 minute
Rotational Life . . . . . . . . . . 100 cycles without discontinuity
∆T/R
)
%
(2Ω
~
3%)
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
GF063-K Series with Knob
1/4’’ Square, Single-Turn, Through-Hole Sealed Cermet Trimmers
TOCOS
®
POTENTIOMETERS
Features
n
1/4” square, single-turn, through-hole, sealed cermet trimmers
n
Top and side adjust styles available
n
Knob on all models for convenient fingertip adjustment
n
Same design and housing sizes as GF063 series
n
Precious metal, multi-contact wiper design
n
Meets UL 94V-0 flammability requirements
n
Sealed to withstand immersion cleaning processes
n
Tape and ammo box available for PK, P1K and UK models
All GF063-K models are available without knobs.
Refer to GF063 Series on page 56.
