RA12XB102K

RA12 Series TOCOS POTENTIOMETERS ® 12mm Round, Single-Turn, Through-Hole Sealed Wirewound Trimmers Features 12mm round, single-turn, through-hole, sealed wirewound trimmers Top and side adjust styles available Low equivalent noise resistance High setting stability Low temperature coefficient Long rotational life Meets UL 94V-0 flammability requirements Sealed to withstand wave soldering and immersion cleaning processes Specifications Electrical Standard Resistance Range . . . . . . . . . . . . . 10 Ω to 20k Ω (standard 1, 2 & 5 sequence ) Resistance Tolerance . . . . . . . . . . . . . . . . . 10% standard End Resistance . . . . . . . . 0.2% or 1Ω, whichever is greater Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear Peak Noise (C.R.V.) . . . . . 0.5% or 2 Ω, whichever is greater Power Rating . . . . . . . . 0.5 watt at 70 C, 0 watt at 125 C Temperature Coefficient . . . . . . . . . . . . . . . . . 50ppm / C Environmental Temperature Range . . . . . . . . . . . . . . . . . 55 C to 125 C Low Temperature Exposure . . . . . . . . . . . . 55 C, 1 hours ∆T/R ) 1% 0.05 Ω High Temperature Exposure . . . . . . . . . 125 C, 250 hours ∆T/R ) 1% 0.05 Ω Load Life . . . . . . . . . . . . . . . . . 70 C, 0.5 watt, 1,000 hours ∆T/R ) 2% Insulation Resistance . . . . . 1,000M Ω minimum at 500VDC Dielectric Strength . . . . . . . . . . . . . . . . . 900VAC, 1 minute Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 270 10 Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 55 C, 125 C, 30 minutes each, 5 cycles ∆T/R ) 1% 0.05 Ω Humidity . . . . . . . . . . . . . . . . . . . . . . . . 40 C, 90-95%RH, 0.5 watt, 500 hours ∆T/R ) 2% Mechanical Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 300 10 Shaft Torque . . . . . . . . 30 to 300 gf • cm (0.42 to 4.16 oz • in) Stop Strength . . . . . . . . . . . . . . 1 kgf • cm (13.86 oz • in) min. Flammability of Plastic Materials . . . . . . . Meets UL 94V-0 Nominal Weight . . . . . . . . . . . . . . . . . . . 1.5g (P); 2.4g (S, X ) Marking . . . . . . . . . . . . . . . . . . Resistance code, date code, model type, terminal identification Soldering Heat Resistance . . . . . . . . . . . 350 C, 5 seconds ∆T/R ) 1% 0.05 Ω Seal Test . . . . . . . . . . . . . . . . . 85 C, hot water for 1 minute Rotational Life . . . . . . . . . . 200 cycles without discontinuity ∆T/R ) 2% ∆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 E-mail: sales@tocos.com www.tocos.com 101 RA12 Series RA12P P Terminal Style, Single-Slot, Top Adjust SLOT: 0.8 W 5.0 L 1.6 D Dimensions Unit: mm Ø 0.7 (3) 501 #2 Ø12.5 1.0 #3 #1 2.5 0.1 Ø 5.0 6.0 1.0 10.0 1.0 5.0 0.2 RA12S S Terminal Style, Single-Slot, Side Adjust RA12X X Terminal Style, Single-Slot, Side Adjust Ø12.5 1.0 Ø12.5 1.0 Ø 5.0 8.5 1.0 Ø 5.0 8.5 1.0 SLOT: 0.8 W 5.0 L 1.6 D 501 14.75 0.5 SLOT: 0.8 W 5.0 L 1.6 D 501 14.75 0.5 8.5 0.5 8.5 0.5 0.3 0.3 Ø 0.7 (3) 5.0 1.0 Ø 0.7 (3) 5.0 1.0 Ø 2.0 (4) Ø 2.0 (4) #1 #2 #3 2.5 0.2 #2 #1 #3 2.5 0.2 5.0 0.2 1.7 5.0 0.2 1.7 Recommended PCB Layouts P & S Pin-Out #2 #1 Ø1.2 X Pin-Out 5.0 #3 2.5 #1 #3 2.5 Unit: mm max. (3 holes) 5.0 Ø1.2 max. (3 holes) #2 Electrical Schematic clockwise ccw #1 #3 cw #2 wiper 102 1177 East Tower Road, Schaumburg, IL 60173 TOCOS AMERICA, INC. Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com RA12 Series RA12 P B 102 K Part Numbering System Resistance Tolerance: K = 10% 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 = 10 Ω ; 101 = 100 Ω ; 102 = 1,000 Ω ; 105 = 1,000,000 Ω ). Resistance Taper: B = Linear. Terminal Style: P = 3-Lead Configuration, Top Adjust. S, X = 3-Lead Configurations, Side Adjust. TOCOS Series Name. Part Numbers Nominal Resistance Value ( Ω ) Code Catalog No. Bulk Resolution Ohms ( Ω ) Percent ( % ) Potentiometer Styles RA12P Through-Hole, P Terminal Style, Single-Slot, Top Adjust 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 100 200 500 101 201 501 102 202 502 103 203 RA12P RA12P RA12P RA12P RA12P RA12P RA12P RA12P RA12P RA12P RA12P B B B B B B B B B B B 100 200 500 101 201 501 102 202 502 103 203 K K K K K K K K K K K 0.11 0.18 0.34 0.51 0.81 2.20 3.90 6.04 10.4 18.9 27.6 1.13 0.90 0.69 0.51 0.41 0.44 0.39 0.30 0.20 0.19 0.14 RA12P RA12S Through-Hole, S Terminal Style, Single-Slot, Side Adjust 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 100 200 500 101 201 501 102 202 502 103 203 RA12S RA12S RA12S RA12S RA12S RA12S RA12S RA12S RA12S RA12S RA12S B B B B B B B B B B B 100 200 500 101 201 501 102 202 502 103 203 K K K K K K K K K K K 0.11 0.18 0.34 0.51 0.81 2.20 3.90 6.04 10.4 18.9 27.6 1.13 0.90 0.69 0.51 0.41 0.44 0.39 0.30 0.20 0.19 0.14 RA12S RA12X Through-Hole, X Terminal Style, Single-Slot, Side Adjust 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 100 200 500 101 201 501 102 202 502 103 203 RA12X RA12X RA12X RA12X RA12X RA12X RA12X RA12X RA12X RA12X RA12X B B B B B B B B B B B 100 200 500 101 201 501 102 202 502 103 203 K K K K K K K K K K K 0.11 0.18 0.34 0.51 0.81 2.20 3.90 6.04 10.4 18.9 27.6 1.13 0.90 0.69 0.51 0.41 0.44 0.39 0.30 0.20 0.19 0.14 RA12X Packaging Standard: Bulk Packaging Quantity 10 pieces per vinyl bag; 100 pieces per box. Soldering and Cleaning Guidelines For soldering, 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 E-mail: sales@tocos.com www.tocos.com 103