G12 Datasheet, PDF (1/4 Pages) TOCOSAMERICA, INC. – 1/2” Round, Single-Turn, Through-Hole Sealed Cermet Trimmers

G12 Series
TOCOS®
POTENTIOMETERS
1/2” Round, Single-Turn, Through-Hole Sealed Cermet Trimmers
Features
Ⅲ 1/2” round, single-turn, through-hole, sealed cermet trimmers Ⅲ Dial markings for quick adjustment
Ⅲ 3 standard models, top and side adjust Ⅲ Cross-slot adjustment flush with housing Ⅲ PC board stand-offs
Ⅲ 1.0 watt power rating Ⅲ Low noise and low TC Ⅲ Wide temperature range of ؁55؇C to ؀125؇C
Ⅲ Meets UL 94V-0 flammability requirements Ⅲ Sealed to withstand wave soldering and immersion cleaning processes
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.) . . . . . . . 1% or 1Ω, whichever is greater
Power Rating . . . . . . . . 1.0 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 . . . . . 1,000MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . 900VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 270؇ؓ10؇
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 300؇ؓ10؇
Shaft Torque . . . . . . . . . . . . . . 350 gf• cm (4.85 oz • in) max.
Stop Strength . . . . . . . . . . . . . . 2 kgf• cm (27.73 oz • in) min.
Flammability of Plastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . . . . . 1.5g (P); 2.4g (S, X )
Marking . . . . . . . . Resistance code, date code, model type,
terminal identification (side adjust only)
Environmental
Temperature Range . . . . . . . . . . . . . . . . . ؁55؇C to ؀125؇C
Low Temperature Exposure . . . . . . . . . . . . ؁55؇C, 2 hours
∆T/R ⁾ؓ1%
High Temperature Exposure . . . . . . . . . ؀125؇C, 250 hours
∆T/R ⁾ؓ2%, S.S. ⁾ؓ1%
Load Life . . . . . . . . . . . . . . . . . ؀70؇C, 1.0 watt, 1,000 hours
∆T/R ⁾ؓ3%, S.S. ⁾ؓ1%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . ؁55؇C,؀125؇C,
30 minutes each, 5 cycles
∆T/R ⁾ؓ1%, S.S. ⁾ؓ1%
Shock . . . . . . . . . . . . . 50G, 6ms, 6 directions, 3 times each
∆T/R ⁾ؓ2%, 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,
1.0 watt, 500 hours
∆T/R ⁾ؓ3%, S.S. ⁾ؓ1%
Moisture Resistance . . . . . . ؁10؇C to ؀65؇C, 80-98%RH,
1.0 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 . . . . . . . . . . 100 cycles without discontinuity
∆T/R ⁾ؓ2%)
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
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TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173 Tel: [phone] Fax: [phone] E-mail: [e-mail] www.tocos.com