GF063 Series
1/4’’ Square, Single-Turn, Through-Hole Sealed Cermet Trimmers
TOCOS®
P O T E N T I O M E T E R S
Features
n 1/4” square, single-turn, through-hole, sealed cermet trimmers n Top and side adjust styles available
n Larger diameter rotor than GF06 series for easier adjustment n Precious metal, multi-contact wiper design
n Cross-slot design allows automatic machine adjustment n Meets UL 94V-0 flammability requirements
n Sealed to withstand wave soldering and immersion cleaning processes n Taping available, reel or ammo packaging
For GF063

 Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . . 10½ to 5M½
(standard 1, 2 & 5 sequence)
Resistance Tolerance . . . . . . . . . . . . . . . %10% and%20%
End Resistance . . . . . . . . . . 1% or 1½, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.) . . . . . . . 1% or 1½, 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 . . . . . 1,000M½ 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 . . . . . . . . . . . . . . . . . . . . . 0.4g (P, P1,W,U)
0.5g (P2, S, S1, X, X1, U1,Y, Y1,V, V1)
Marking . . . . . . . . . Resistance code, date code, model type
Environmental
Temperature Range . . . . . . . . . . . . . . . . . !55&C to~125&C
Low Temperature Operation . . . . !55&C, 0.5 watt, 2 hours
ÆT/R )%2%, S.S. )%2%
High Temperature Exposure . . . . . . . . .~125&C, 250 hours
ÆT/R )%2%, S.S. )%2%
Load Life . . . . . . . . . . . . . . . . . ~70&C, 0.5 watt, 1,000 hours
ÆT/R )%3%, S.S. )%2%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . !55&C,~125&C,
30 minutes each, 5 cycles
ÆT/R )%1%, S.S. )%1%
Shock . . . . . . . . . . . . 100G, 6ms, 6 directions, 3 times each
ÆT/R )%1%, S.S. )%1%
Vibration . . . . . . . . . . . . . . . . 10-2,000Hz, 1.5mm amplitude,
20G, 12 hours
ÆT/R )%1%, S.S. )%1%
Humidity . . . . . . . . . . . . . . . . . . . . . . . . ~40&C, 90-95%RH,
0.5 watt, 500 hours
ÆT/R )%3%, S.S. )%2%
Moisture Resistance . . . . . . !10&C to~65&C, 80-98%RH,
0.5 watt, 10 cycles, 240 hours
ÆT/R )%2%
Soldering Heat Resistance . . . . . . . . . . . 350&C, 3 seconds
ÆT/R )%1%
Seal Test . . . . . . . . . . . . . . . . .~85&C, hot water for 1 minute
Rotational Life . . . . . . . . . . 100 cycles without discontinuity without discontinuity
ÆT/R )%(2½~3%)