Effective Date Feb. 2005 TOCOS ® G43C Series POTENTIOMETERS 4mm Square, Single-Turn, Through-Hole, Sealed Cermet Trimmers RoHS Compliant IMPROVED DESIGN Pb-Free and Cd-Free 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 Specifications Electrical Environmental 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 Temperature Range . . . . . . . . . . . . . . . . . 55C to 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% Maximum Input Voltage . . . . . . . . 200VDC or power rating, whichever is smaller Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 55C,125C, 30 minutes each, 5 cycles ∆T/R )2%, S.S. )1% Temperature Coefficient . . . . 100 ppm /C, 200Ω to 1MΩ 250 ppm /C, other values Shock . . . . . . . . . . . . 100G, 6ms, 6 directions, 3 times each ∆T/R )1%, S.S. )1% Insulation Resistance . . . . . . . 100MΩ minimum at 500VDC Vibration . . . . . . . . . . . . . . . . 10-2,000Hz, 1.5mm amplitude, 20G, 12 hours ∆T/R )1%, S.S. )1% Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 20010 Mechanical Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 24010 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 For surface mount models of the G43C series, refer to the G43 Series. 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 ) TOCOS AMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 1/3 E-mail: [email protected] www.tocos.com Effective Date Feb. 2005 G43C Series Dimensions G43C Through-Hole, C Terminal Style, Top Adjust Unit: mm (2) 5.00.3 1.2 (t= 0.18) (0.34) 0.15 #2 05 4.5 (2.3) 5.00.3 0.3 503 TOCOS #3 #1 2.5 3.10.3 3.51.0 0.3,0 (0.34) (2) 0.8 0.15 G43CF Through-Hole, CF Terminal Style, Bottom Adjust (t= 0.18) 5.00.3 1.2 0.15 #2 (.84) 05 4.5 6.0 0.3 (2.3) 0.3 503 TOCOS #3 (.84) #1 (2) 2.5 3.10.3 0.2 (2) 0.8 2.5 0.15 0.3,0 Recommended PCB Layouts C Pin-Out CF Pin-Out #2 #2 5.0 max. (3 holes) #3 Ø 1.0 max. (3 holes) 6.0 Ø 1.0 #1 #3 2.5 #1 Ø 2.8 2.5 Cross-Slot Dimensions G43C & G43CF Unit: mm Electrical Schematic Unit: mm clockwise 0.55 1.9 ccw #1 #3 cw 2.3 0.55 0.72 #2 0.55 wiper Cross-Slot accepts both Philips and single blade adjustment tools. TOCOS AMERICA, INC. 2 /3 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: [email protected] www.tocos.com Effective Date Feb. 2005 G43C Series G43 C B Part Numbering System 102 M Resistance Tolerance: M = 20% standard. Resistance Code: Expressed in ohms. A three digit code where the first two digits are significant figures, and the third digit indicates the number of zeros that follow these figures (i.e., 100 = 10Ω; 101 = 100Ω; 102 = 1,000Ω; 105 = 1,000,000Ω ). Resistance Taper: B = Linear. Terminal Style: Through-Hole where C = Top Adjust; CF = Bottom Adjust. TOCOS Series Name. Part Numbers Resistance Tolerance 20% Nominal Resistance Value ( Ω ) Code Potentiometer Styles Catalog No. Bulk G43C Through-Hole, C Terminal Style, Cross-Slot, Top Adjust 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 50,000 100,000 200,000 500,000 1,000,000 2,000,000 G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C G43C 100 200 500 101 201 501 102 202 502 103 203 503 104 204 504 105 205 B B B B B B B B B B B B B B B B B 100 200 500 101 201 501 102 202 502 103 203 503 104 204 504 105 205 M M M M M M M M M M M M M M M M M G43C G43CF Through-Hole, CF Terminal Style, Cross-Slot, Bottom Adjust 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 50,000 100,000 200,000 500,000 1,000,000 2,000,000 G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF G43CF 100 200 500 101 201 501 102 202 502 103 203 503 104 204 504 105 205 B B B B B B B B B B B B B B B B B 100 200 500 101 201 501 102 202 502 103 203 503 104 204 504 105 205 M M M M M M M M M M M M M M M M M G43CF Packaging Standard: Bulk Packaging Quantity 100 pieces per vinyl bag. 1,000 pieces per box. Soldering and Cleaning Guidelines The G43C trimmers are designed to withstand the same flow or reflow soldering methods as the SMD G43 series. Refer to the SMD G43 series for soldering profiles. For cleaning and other information, refer to Guidelines and Precautions for Using Potentiometers. TOCOS AMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 3/3 E-mail: [email protected] www.tocos.com