Effective Date Feb. 2005
®
TOCOS
G32Series
P O T E N T I O M E T E R S
3mm Surface Mount, Single-Turn, Sealed Cermet Trimmers
RoHS Compliant
IMPROVED DESIGN
Pb-Free and Cd-Free
Features
3mm square SMD, single-turn,sealed cermet trimmers
Available in J-hook and gull-wing terminal configurations
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Meets EIA,EIAJ, IPC,VECI standard SMD trimmer designs
Pb-free and Cd-free construction
RoHS compliant
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Gold-plated leads provide high conductivity, low contact resistance, high corrosion resistance and good solderability
Top cross-slot adjustment (top single-slot models available as special order) Tape and reel packaging
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Specifications
Electrical
Environmental
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Temperature Range . . . . . . . . . . . . . . . . . ꢃ55ꢂC to 125ꢂC
Standard Resistance Range . . . . . . . . . . . . . . 50Ω to 2MΩ
(standard 1, 2 & 5 sequence)
Low Temperature Operation . . . ꢃ55ꢂC, 0.125 watt,1 hour
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Resistance Tolerance . . . . . . . . . . . . . . . . . 20% standard
∆T/R
2%, S.S.
2%
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High Temperature Exposure . . . . . . . . . 125ꢂC, 250 hours
End Resistance . . . . . . . . . . 1% or 3Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . B = Linear
Peak Noise (C.R.V.) . . . . . . . 2% or 3Ω, whichever is greater
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∆T/R
2%, S.S.
2%
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Load Life . . . . . . . . . . . . . . . 70ꢂC, 0.125 watt, 1,000 hours
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∆T/R
3%, S.S.
2%
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Power Rating . . . . . . 0.125 watt at 70ꢂC; 0 watt at 125ꢂC
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Thermal Shock . . . . . . . . . . . . . . . . . . . . . . ꢃ55ꢂC, 125ꢂC,
Maximum Input Voltage . . . . . . . . 200VDC or power rating,
30 minutes each, 5 cycles
whichever is smaller
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∆T/R
2%, S.S.
1%
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Temperature Coefficient . . . . 100ppm/ꢂC, 200Ω to 1MΩ
Shock . . . . . . . . . . . . .100G, 6ms, 6 directions, 3 times each
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250ppm/ꢂC, other values
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∆T/R
1%, S.S.
1%
Insulation Resistance . . . . . . .100MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Vibration . . . . . . . . . . . . . . . . 10-2,000Hz, 1.5mm amplitude,
20G, 12 hours
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∆T/R
1%, S.S.
1%
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Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 220ꢂ 10ꢂ
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Humidity . . . . . . . . . . . . . . . . . . . . . . . . 40ꢂC, 90-95%RH,
0.125 watt, 500 hours
Mechanical
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∆T/R
3%, S.S.
2%
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Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 250ꢂ 10ꢂ
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Moisture Resistance . . . . . . ꢃ10ꢂC to 65ꢂC, 80-98%RH,
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Shaft Torque . . . . . . . . . . . . . . . 50 gf cm (0.69 oz in) max.
0.125 watt, 10 cycles, 240 hours
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∆T/R
3%
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Stop Strength . . . . . . . . . . . . . . 200 gf cm (2.77 oz in) min.
Flammability of Plastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.068g
Marking . . . . . . . . . . . . Resistance value or code, date code
Soldering Heat Resistance . . . . . . . . . . 240ꢂC, 10 seconds
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1%
∆T/R
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Seal Test . . . . . . . . . . . . . . . . . 85ꢂC, hot water for 1 minute
Rotational Life . . . .100 cycles without discontinuity, no load
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∆T/R
5%
∆T/R = Total Resistance Change; S.S. = Setting Stability (voltage ratio)
TOCOSAMERICA,INC.
1/5
11
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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