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TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales
@
tocos.com www.tocos.com
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . . 50Ω to 2MΩ
(standard 1, 2 & 5 sequence)
Resistance Tolerance . . . . . . . . . . . . . . . . .
20% standard
10% optional for 100Ω to 1MΩ
End Resistance . . . . . . . . . . 1% or 3Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . B = Linear
Peak Noise (C.R.V.) . . . . . . . 2% or 3Ω, whichever is greater
Power Rating . . . . . . . 0.25 watt at
70C; 0 watt at
125C
Maximum Input Voltage . . . . . . . . 200VDC or power rating,
whichever is smaller
Temperature Coefficient . . . .
100 ppm/C, 200Ω to 1MΩ
250ppm/C, other values
Insulation Resistance . . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 200
10
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 240
10
Shaft Torque . . . . . . . . . . . . . . . 150 gf
•
cm (2.08 oz
•
in) max.
Stop Strength . . . . . . . . . . . . . . 300 gf
•
cm (4.16 oz
•
in) min.
Flammability of Plastic Materials . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.16g
Marking . . . . . . . . . . . . Resistance value or code, date code
Environmental
Temperature Range . . . . . . . . . . . . . . . . . 55Cto
125C
Low Temperature Operation . . . . . . . . . 55C, 0.25 watt,
45 minutes
∆T/R
)
2%, S.S.
)
2%
High Temperature Exposure . . . . . . . . .
125C, 250 hours
∆T/R
)
2%, S.S.
)
2%
Load Life . . . . . . . . . . . . . . . .
70C, 0.25 watt, 1,000 hours
∆T/R
)
3%, S.S.
)
2%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 55C,
125C,
30 minutes each, 5 cycles
∆T/R
)
2%, S.S.
)
1%
Shock . . . . . . . . . . . . 100G, 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 . . . . . . . . . . . . . . . . . . . . . . . .
40C, 90-95%RH,
0.25 watt, 500 hours
∆
T/R
)
3%, S.S.
)
2%
Moisture Resistance . . . . . . 10C to
65C, 80-98%RH,
0.25 watt, 10 cycles, 240 hours
∆T/R
)
3%
Soldering Heat Resistance . . . . . . . . . . 260C, 10 seconds
∆T/R
)
1%
Seal Test . . . . . . . . . . . . . . . .
85C, hot water for 1 minute
Rotational Life . . . .100 cycles without discontinuity, no load
∆T/R
)
5%
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
G43C Series
4mm Square, Single-Turn, Through-Hole, Sealed Cermet Trimmers
TOCOS
®
POTENTIOMETERS
For surface mount models of the G43C series,
refer to the G43 Series.
Features
4mm square, single-turn, through-hole, sealed cermet trimmers
Top and bottom cross-slot adjustment
Space-saving G43 series SMD-sized units with through-hole terminals
High setting accuracy, zero backlash
Meets EIA, EIAJ, IPC, VECI standard SMD trimmer designs
Pb-free and Cd-free construction
RoHS compliant
Gold-plated leads provide high conductivity, low contact resistance, high corrosion resistance and good solderability
RoHS Compliant
IMPROVED DESIGN
Pb-Free and Cd-Free
Effective Date Feb. 2005
