Features n Conductive plastic technology n Rugged metal housing for industrial applications n Low profile package n Flatted or slotted shaft options n 50,000 cycle rotational life n RoHS compliant* n Available with momentary push or rotary switch option n PCB mount terminal configuration 39 13 mm Single-Turn Panel Control with Switch Option 1 Electrical Characteristics Standard Resistance Range 5 K - 100 K ohms Total Resistance Tolerance 20 % Independent Linearity 5 % End Resistance 2 ohms maximum Effective Electrical Angle Non-Switch Type (Bushing Type S) 220 5 Rotary Switch Type (Bushing Type S) 220 5 Momentary Push Switch Type (Bushing Type L) 201 5 % Contact Resistance Variation 3 % maximum Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level 750 VRMS minimum Insulation Resistance 100 megohms minimum Power Rating 70 C (Derated to 0 125 C) (Voltage Limited by Power Dissipation or 350 VAC, whichever is less) Linear Taper 0 25 watt Audio Taper 0 125 watt Switch Characteristics Rotary Switch Type SPST N O Power Rating (Resistive Load) 1 5 amps 12 VDC Contact Resistance 10 mA 200 milliohms maximum Contact Bounce 5 milliseconds Actuation Torque 0 7 to 4 9 N-cm (1 to 7 oz -in) Momentary Push Switch Type SPST N O Power Rating (Resistive Load) 250 milliamps 12 VDC Contact Resistance 10 mA (w/500 gm Shaft Load) 50 ohms maximum Contact Bounce 5 milliseconds Actuation Force 500 100 gram Environmental Characteristics Operating Temperature Range -40 C to +85 C (-40 F to +185 F) Storage Temperature Range -55 C to +85 C (-67 F to +185 F) Vibration 15 G Total Resistance Shift 3 % Voltage Ratio Shift 5 % Shock 30 G Total Resistance Shift 3 % Voltage Ratio Shift 5 % Load Life 1,000 Hours Total Resistance Shift 10 % Rotational Life (No Load) 50,000 cycles Total Resistance Shift 10 % Switch Life Rotary Switch Type 25,000 cycles Momentary Push Switch Type 50,000 cycles Moisture Resistance MIL-STD-202, Method 103, Condition B Total Resistance Shift 10 % IP Rating IP 40 Mechanical Characteristics Stop Strength 19 8 N-cm (28 oz -in ) Mechanical Angle Non-Switch and Rotary Switch Type 270 10 Momentary Push Switch Type 230 10 Torque Starting 007 to 0 70 N-cm (0 1 to 1 0 oz -in ) minimum Running 0 07 to 0 53 N-cm (01 to 0 75 oz -in ) maximum Mounting 1 7 to 2 0 N-m (15 to 18 lbs -in ) maximum Shaft Retentiion Pull Force 4 Kg (8 8 lb ) maximum Push Force 4 5 Kg (10 lb ) maximum Weight (Single Section) 4 grams (0 14 oz ) Terminals Potentiometer Printed circuit board terminals Switch Flat terminals Soldering Condition Manual Soldering 96 5Sn/3 0Ag/0 5Cu solid wire or no-clean rosin cored wire 370 C (700 F) max for 3 seconds Wave Soldering 965Sn/3 0Ag/0 5Cu solder with no-clean flux 260 C (500 F) max for 5 seconds Wash processes Not recommended Marking Manufacturers trademark, part number and date code Ganging 1 cup maximum Hardware One lockwasher (H-37-5) and one mounting nut (H-38-15) is shipped with each potentiometer Packaging 100 pcs /tray 1 Electrical specifications tested at 250 RPM, at room ambient: +25 C nominal. *RoHS Directive 2015/863, Mar 31, 2015 and Annex. WARNING Specifications are subject to change without notice. Users should verify actual device performance in their specific Cancer and Reproductive Harm applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.BUSHING STYLE 0.30 0.10 25 10 (.012 .004) 4.83 0.30 5.50 0.40 (.190 .012) (.217 .016) 2.01 0.30 (.079 .012) BOTTOM VIEW 5.99 0.30 (.238 .012) 5.00 0.08 30 2 (.197 .003) 12.7 2 PLCS. 0.93 R (.50) (037) 2 1 3 3 PLCS. 0.9 0.30 (.035 .012) 6.50 R (.256) A B 7.01 0.30 (.276 .012) 20 2 PC Slimline 22 mm Square Single Turn Panel Control 6.35 0.25 2 PLCS. 6.35 R (.250 .010) SWITCH (.250) PINS Product Dimensions Hardware BUSHING STYLE LOCKWASHER H-37-5 NUT H-38-15 BUSHING STYLE 7.95 +0/-0.25 2.39 25 10 6.5 0.23 0.30 0.10 (.313 +0/-.01) (.094) (.256 .011) 25 10 (.012 .004) 4.83 0.30 5.50 0.40 4.83 0.30 5.50 0.40 (.190 .012) 1/4-28-UNF-2B (.217 .016) (.190 .012) (.217 .016) MM 30 5 DIMENSIONS: 10.06 0.31 0.46 0.05 (INCHES) (.396 .012) (.018 .002) 0.30 0.10 2.01 0.30 (.012 .004) 2.01 0.30 (.079 .012) Suggested Panel Layout (.079 .012) BOARD LAYOUT 5.66 BOTTOM VIEW (.223) 5.99 0.30 3 PLCS. 2 PLCS. 2.44 6.50 5.00 0.08 0.84 (.238 .012) DIA. DIA. DIA. 5.00 0.08 3.00 (.197 .003) 30 2 (.096) (.256) 12.7 (.033) (.197 .003) 5.49 (.118) 12.7 2 PLCS. (.50) 0.93 R (.216)(.50) (037) 2 PLCS. 2 1 MM 3 3 PLCS. 1.32 DIMENSIONS: 0.9 0.30 DIA. (.052) (INCHES) 0.9 0.30 (.035 .012) (.035 .012) 6.50 R (.256) 7.01 0.30 How To Order A B 4.70 7.01 0.30 (.276 .012) 5.69 (.185) (.276 .012) 6.35 0.25 (.224) 20 2 39 SB 1 RB 503 6.35 0.25 (.250 .010) 2 PLCS. 2 PLCS. 6.35 R (.250 .010) SWITCH (.250) PINS SHAFT STYLE SHAFT STYLE BUSHING STYLE 3.18 0.10 4.83 0.30 DIA. (.125 .004) 25 10 (.190 .012) SWITCH TYPE 4.83 0.30 Code Description 5.50 0.40 (.190 .012) TOLERANCES EXCEPT AS SHOWN: (.217 .016) DIA. N No Switch 0.13 0.38 0.81 2.39 .XX .X 0.81 3.18 0.10 P Momentary Push (.005) (.015) (.032) (.094) (.032) (.125 .004) R Rotary Switch TERMINAL CONFIGURATION 0.30 0.10 2.01 0.30 (.012 .004) Code Description (.079 .012) 1 6.35 mm (.250 ) BOARD LAYOUT SHAFT TYPE (SEE SHAFT STYLE FIGURES) 3 PLCS. 5.00 0.08 2 PLCS. 0.84 Code Description DIA. 3.00 (.197 .003) 12.7 (.033) (.118) 5.49 A Slotted Shaft, Dia. 3.175 mm (1/8) x 12.7 mm (1/2) FMS (.50) (.216) B Flatted Shaft, Dia. 3.175 mm (1/8) x 12.7 mm (1/2) FMS 2 PLCS. 1.32 0.9 0.30 DIA. AVAILABLE (.052) (.035 .012) BUSHING TYPE EFFECTIVE ONLY IN (SEE BUSHING STYLE FIGURES) ELECTRICAL SWITCH ANGLE TYPE 7.01 0.30 4.70 Code Description Code (.276 .012) 5.69 (.185) L 1/428UNF2A x 5 mm (.197) FMS 201 P 6.35 0.25 (.224) S 1/428UNF2A x 5 mm (.197) FMS 220 R & N (.250 .010) 2 PLCS. MODEL NUMBER ELEMENT TAPER Description Code Code Description SHAFT STYLE SHAFT STYLE Model 39 39 B Linear C.P. 20 % 3.18 0.10 D CW Audio C.P. 20 % DIA. 4.83 0.30 (.125 .004) G CCW Audio C.P. 20 % (.190 .012) TOLERANCES EXCEPT AS SHOWN: RESISTANCE CODE 20 % DIA. 0.13 0.38 0.81 2.39 3.18 0.10 .XX .X Code Description 0.81 (.005) (.015) (.032) (.094) (.032) (.125 .004) 502 5 K Ohms (13) 103 10 K Ohms (15) 203 20 K Ohms (16) 253 25 K Ohms (17) Date Code Description 503 50 K Ohms (18) 104 100 K Ohms (20) YYWWM M = COUNTRY OF MANUFACTURE (MEXICO) REV 10/20 WW = WEEK NUMBER Specifications are subject to change without notice. YY = LAST TWO DIGITS OF YEAR Users should verify actual device performance in their specific applications. MANUFACTURED The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.