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G43 Datasheet, PDF (1/8 Pages) TOCOSAMERICA, INC. – 4mm Surface Mount, Single-Turn, Sealed Cermet Trimmers
G43 Series
Effective Date April 2005
TOCOS®
POTENTIOMETERS
4mm Surface Mount, Single-Turn, Sealed Cermet Trimmers
RoHS Compliant
IMPROVED DESIGN
Pb-Free and Cd-Free
Features
Ⅲ 4mm square SMD, single-turn, sealed cermet trimmers Ⅲ Available in J-hook and gull-wing terminal configurations
Ⅲ Meets EIA, EIAJ, IPC, VECI standard SMD trimmer designs Ⅲ Pb-free and Cd-free construction Ⅲ RoHS compliant
Ⅲ Gold-plated leads provide high conductivity, low contact resistance, high corrosion resistance and good solderability
Ⅲ Top, side or bottom cross-slot adjustment Ⅲ High setting accuracy, zero backlash Ⅲ 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
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
For through-hole models of the G43 series,
refer to the G43C Series.
Environmental
Temperature Range . . . . . . . . . . . . . . . . . ؁55؇C to ؀125؇C
Low Temperature Exposure . . . . . . . . . . ؁55؇C, 0.25 watt,
45 minutes
∆T/R )ؓ2%, S.S. )ؓ2%
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%
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 )
TOCOS AMERICA, INC.
1/8
1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com