Effective Date April 2005
G43
Series
RoHS Compliant
IMPROVED DESIGN
Pb-Free and Cd-Free
TOCOS
POTENTIOMETERS
®
4mm Surface Mount, Single-Turn, Sealed Cermet Trimmers
Features
4mm square SMD, single-turn, sealed cermet trimmers
Available in J-hook and gull-wing terminal configurations
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
Top, side or bottom cross-slot adjustment
High setting accuracy, zero backlash
Tape and reel packaging
Specifications
Electrical
Standard Resistance Range
. . . . . . . . . . . . . . 10Ω to 2MΩ
(standard 1, 2 & 5 sequence)
Resistance Tolerance
. . . . . . . . . . . . . . . . .
20% standard
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
70 C; 0 watt at
125 C
Maximum Input Voltage
. . . . . . . . 200VDC or power rating,
whichever is smaller
Temperature Coefficient
. . . .
100 ppm / C, 200Ω to 1MΩ
250 ppm / C, other values
Environmental
Temperature Range
. . . . . . . . . . . . . . . . .
Low Temperature Exposure
. . . . . . . . . .
55 C to
125 C
55 C, 0.25 watt,
45 minutes
)
2%, S.S.
)
2%
∆T/R
High Temperature Exposure
. . . . . . . . . 125 C, 250 hours
∆T/R
)
2%, S.S.
)
2%
Load Life
. . . . . . . . . . . . . . . .
70 C, 0.25 watt, 1,000 hours
∆T/R
)
3%, S.S.
)
2%
Thermal Shock
. . . . . . . . . . . . . . . . . . . . . . 55 C, 125 C,
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
. . . . . . . . . . . . . . . . . . . . . . . .
40 C, 90-95%RH,
0.25 watt, 500 hours
∆T/R
)
3%, S.S.
)
2%
Insulation Resistance
. . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength
. . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Adjustment Travel
. . . . . . . . . . . . . . . . . . . . . . . . . 210
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
. . . . . . . . . . . . . . . . . . . . . 0.14g (A, B, D, E)
0.16g (BF); 0.24g (SA)
Marking
. . . . . . . . . . . . . . . . . . . Resistance code, date code
Moisture Resistance
. . . . . . 10 C to 65 C, 80-98%RH,
0.25 watt, 10 cycles, 240 hours
∆T/R
)
3%
Soldering Heat Resistance
. . . . . . . . . . 260 C, 10 seconds
∆T/R
)
1%
Seal Test
. . . . . . . . . . . . . . . .
85 C, 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 )
For through-hole models of the G43 series,
refer to the G43C Series.
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
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