TOCOS ® RA16 Series PA N E L C O N T R O L S 16mm Diameter, Single-Turn, Wirewound Industrial Panel Controls RA16Y RA16YP Features 16mm diameter, single-turn industrial panel controls Wirewound element Single unit, single shaft Linear taper Metal shaft and bushing Shaft lock models available Panel and PCB mounting styles 3mm diameter shafts in slot, flat or round end styles Standard 10mm or 15mm shaft length Lug or right angle mount pin terminals Low operating temperature option of 10C or 30C, up to 100C Specifications Electrical Environmental Standard Resistance Range . . . . . . . . . . . . . . 10Ω to 10 kΩ Temperature Range . . . . . . . . . . . . . . Y = 10C to 100C or X = 30C to 100C Resistance Tolerance . . . . . . . . . . . . . . . . . 10% standard (5%,2% or 1% special order ) End Resistance . . . . . . . . . . . . . . . . . . R ! 500Ω = 1Ω max. R 0 500Ω = 0.2% max. Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . B = linear Power Rating . . . . . . . . . . . . . . . . . . . . . . 0.5 watt at 40C Insulation Resistance . . . . . . . 100MΩ minimum at 500VDC Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute Theoretical Resolution Resistance ( Ω ) 10 20 50 100 200 Resolution ( % ) 0.95 0.76 0.58 0.45 0.39 Resistance ( Ω ) 500 1,000 2,000 5,000 10,000 Resolution ( % ) 0.28 0.30 0.23 0.16 0.14 Mechanical Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 2905 Temperature Characteristics . . . . . . . . . . .85C, 5 hours without load ∆T/R )5% Low Temperature Exposure . . . . . . . 10C ( Y ),30C ( X ) 1 hour without load ∆T/R )3% Load Life . . . . . . . . . . . . 40C, 1,000 hours with rated load ∆T/R )3% Moisture and Load Life . . . . . . . . . . . .40C, 90-95%RH, 500 hours with 1/10 rated load ∆T/R )5% Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude, 2 directions, 2 hours each ∆T/R )1% Soldering Heat Resistance . . . . . . . . . 350C, 3.5 seconds; 260C, 5 seconds (PCB units) ∆T/R )2% Stop Strength . . . . . . . . . . . 3.06 kgf • cm (42.42 oz • in) max. Rotational Life . . . . 15,000 cycles (500 cycles for shaft lock models only) with 1/2 rated load ∆T/R )3% Mounting Nut Torque . . . . . .10.2 kgf • cm (141.4 oz • in) max. R = Total Resistance Value; ∆T/R = Total Resistance Change Shaft Torque . . . . . 20.4 to 153 gf • cm (0.283 to 2.121 oz • in) Solderability . . . . . . . . . . . . . . . . . . . . . . . 235C, 3 seconds Marking . . . . . . . . . . . . . Model type, taper, resistance code, shaft type, terminal identification, date code TOCOS AMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 49 E-mail: sales@tocos.com www.tocos.com RA16 Series Dimensions RA16Y & RA16X Unit: mm Panel Mount, Single Unit, Single Shaft Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern Recommended Panel Mounting Hole RA16YL Panel Mount, Single Unit, Single Shaft with Shaft Lock Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern Recommended Panel Mounting Hole RA16YP & RA16XP PCB Mount, Single Unit, Single Shaft Right Angle Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear Support Bracket Recommended PCB Mounting Holes TOCOS AMERICA, INC. 50 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com RA16 Series Dimensions RA16YPL Unit: mm PCB Mount, Single Unit, Single Shaft with Shaft Lock Right Angle Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear Support Bracket Recommended PCB Mounting Holes TOCOS AMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 51 E-mail: sales@tocos.com www.tocos.com RA16 Series Part Numbering System RA 16 Y L 10 S B 103 K NOTE: FMS = From Mounting Surface Resistance Tolerance: K J G F = = = = 10% (standard). 5% (special order ). 2% (special order ). 1% (special order ). 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; 103 = 10,000Ω; 105 = 1,000,000Ω ). See table for standard resistance values. Resistance Taper: B = Linear. Shaft End Style: S = Slotted. F = Flatted. R = Round. Standard Shaft Length: 10 = 10mm FMS. 15 = 15mm FMS. Up to 30mm shaft length available (special order ). Style: Blank = Panel Mount, Single Unit, Single Shaft, Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern. L = Panel Mount, Single Unit, Single Shaft with Shaft Lock, Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern. P = PCB Mount, Single Unit, Single Shaft, Right Angle Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear Support Bracket. PL = PCB Mount, Single Unit, Single Shaft with Shaft Lock, Right Angle Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear Support Bracket. Operating Temperature Range: Y = 10C to 100C. X = 30C to 100C. Size: 16 = 16mm Diameter. TOCOS Series Name: RA = Wirewound Element. Standard Resistance Values and Part Numbering Codes Standard Nominal Total Resistance Values and Part Numbering Codes Resistance ( Ω ) Code Resistance ( Ω ) Code Resistance ( Ω ) Code Resistance ( Ω ) Code 10 20 50 100 200 500 100 200 500 101 201 501 1,000 2,000 5,000 102 202 502 10,000 103 Refer to Shaft End Styles Specifications and Hardware Specifications for details and availability. For additional information, refer to Guidelines and Precautions for Using Panel Controls. TOCOS AMERICA, INC. 52 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com