GF12 Datasheet, PDF (1/11 Pages) TOCOSAMERICA, INC. – 12mm Square, Single-Turn, Through-Hole Sealed Cermet Trimmers

GF12 Series
TOCOS®
POTENTIOMETERS
12mm Square, Single-Turn, Through-Hole Sealed Cermet Trimmers
Features
Ⅲ 12mm square, single-turn, through-hole, sealed cermet trimmers Ⅲ Stable, infinite resolution cermet element
Ⅲ Unique 5,000 cycle rotational life Ⅲ Meets UL 94V-0 flammability requirements Ⅲ Top and side adjust models
Ⅲ 4 standard styles, single-slot flush rotor, 5mm or 10mm single-slot metal shaft, or 8.2mm knurled plastic shaft
Ⅲ Sealed to withstand wave soldering and immersion cleaning Ⅲ Optional 15, 20, 22, 25 or 30mm metal shafts available
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . . 10Ω to 1MΩ
(standard 1, 2 & 5 sequence )
Resistance Tolerance . . . . . . . . . . . . . . . ؓ10% and ؓ20%
End Resistance . . . . . . . . . . 1% or 3Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.) . . . . . . 2% or 3Ω, whichever is greater
Power Rating . . . . . . . 0.75 watt at ؀70؇C, 0 watt at ؀125؇C
Maximum Input Voltage . . . . . . . . 300VDC or power rating,
whichever is smaller
Temperature Coefficient . . .ؓ100 ppm /؇C, 200Ω to 500kΩ
ؓ250 ppm /؇C, other values
Insulation Resistance . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . 900VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 270؇ؓ10؇
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 300؇ؓ10؇
Shaft Torque . . . . . . . . . . . . . . 300 gf• cm (4.16 oz • in) max.
Stop Strength . . . . . . . . . . . . . . 1 kgf• cm (12.86 oz• in) min.
Flammability of Plastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . 1.4g (P); 1.8g (S, X, R) no shaft
1.8g (P); 2.2g (S, X, R) 5mm metal shaft
2.1g (P); 2.5g (S, X, R) 10mm metal shaft
1.7g (P); 2.1g (S, X, R) with knurled plastic shaft
Marking . . . . . . . . . Resistance code, date code, model type
Environmental
Temperature Range . . . . . . . . . . . . . . . . . ؁55؇C to ؀125؇C
High Temperature Exposure . . . . . . . . . ؀125؇C, 250 hours
∆T/R ⁾ؓ3%, S.S. ⁾ؓ1%
Load Life . . . . . . . . . . . . . . . . ؀70؇C, 0.75 watt, 1,000 hours
∆T/R ⁾ؓ3%, S.S. ⁾ؓ1%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . ؁55؇C,؀125؇C,
30 minutes each, 5 cycles
∆T/R ⁾ؓ2%, S.S. ⁾ؓ1%
Shock . . . . . . . . . . . . . 50G, 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,
0.75 watt, 500 hours
∆T/R ⁾ؓ3%, S.S. ⁾ؓ1%
Moisture Resistance . . . . . . ؁10؇C to ؀65؇C, 80-98%RH,
0.75 watt, 10 cycles, 240 hours
∆T/R ⁾ؓ3%
Soldering Heat Resistance . . . . . . . . . . . 350؇C, 3 seconds
∆T/R ⁾ؓ1%
Seal Test . . . . . . . . . . . . . . . .؀85؇C, hot water for 1 minute
Rotational Life . . . . . . . . 5,000 cycles without discontinuity
∆T/R ⁾ؓ5%)
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
TOCOS AMERICA, INC.
77
1177 East Tower Road, Schaumburg, IL 60173 Tel: [phone] Fax: [phone] E-mail: [e-mail] www.tocos.com