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