CTS COMPONENTS TAIWAN, LTD. SPEC NO. ENGINEERING SPECIFICATION EN-SPE-026101 SPECIFICATION : DATE PAGE OF 026 SERIES 24mm DIAMETER ROTARY POTENTIOMETER 08-06-10 1 1 1. GENERAL THIS SPECIFICATION COVERS THE REQUIREMENTS OF THE SUBJECT PRODUCT, UNLESS OTHERWISE SPECIFIED ON THE PART DRAWING. O O 1.1 OPERATING TEMPERATURE-30 C TO 105 C 1.2 RoHS COMPLIANCETHIS PART IS COMPLIANT WITH EU RoHS DIRECTIVE 2. MATERIAL ALL MATERIAL SHALL BE CORROSION AND MOISTURE RESISTANT. 2.1 SHAFT : PLASTIC (WITH UL FLAME CLASS 94V-2 OR BETTER), BRASS, BRASS/NI PLATED OR ALUM. IT IS SPECIFIED ON THE PART DRAWING. 2.2 BASE (TERMINAL BOARD) : BAKELITE WITH UL FLAME CLASS 94HB OR BETTER 2.3 RESISTANCE ELEMENT : WIREWOUND 3. MECHANICAL 3.1 ANGLE OF ROTATION : TOTAL ROTATION :(UNLESS OTHERWISE SPECIFIED) WITHOUT SWITCH : 300 5 WITH SWITCH : 300 5 EFFECTIVE ROATAION :(UNLESS OTHERWISE SPECIFIED) WITHOUT SWITCH : 280APPROX WITH SWITCH : 240APPROX 3.2 CONFIGURATION/ DIMENSIONS : SEE ATTACHED DRAWING. 3.3 TURNING TORQUE : 3/4 6 in.oz (54 432 gcm). (STANDARD) 3.4 STOP STRENGTH : 17.0 Kgf-cm (15 in-lb)Min. 3.5 PUSH & PULL STRENGTH OF SHAFT : 13.6 Kgf (30lbs)Min. 4. ELECTRICAL : 2.1 RESISTANCE, TOLERANCE & TAPER : SEE ATTACHED DRAWING. 2.2 POWER RATING : 5 W 25 4 W 55 DERATED TO NO LOAD 105. 2.3 VOLTAGE RATING : BUSHING TO TERMINALS, HIGH POT TEST, ONE MINUTE 1080VAC, OPERATING MAX 500VDC. ACROSS END TERMINALS, 350VDC MAX. LOAD NOT TO EXCEED LISTED WATTAGE RATINGS. 5. DURABILITY 5.1 ROTATIONAL LIFE TESTON LINEAR ELEMENTS, 5 % R DURING AND AFTER 10K CYCLES, FOR NON-LINEAR ELEMENTS OR SPECIAL REQUIRED , SEE PART DRAWING. 5.2 HUMIDITY TEST95%R.H. 40 FOR 240 HRS(NO LOAD). CHECK O.A. RESISTANCE CONTINUITY, RUST AND CORROSION INITIALLY & AFTER TEST. AFTER 100 HRS, THE ALLOWABLE RESISTANCE CHANGE 5%. AFTER 240 HRS, THE ALLOWABLE RESISTANCE CHANGE 10%. 5.3 INSULATION RESISTANCE: 100 Meg ohms min. 250 VDC. O RELEASED 08-06-10 SS SYM REVISION DATE BY SYM REVISION DATE BY WRITTEN BY : S.S. Chen CUSTOMER : GENERAL REVIEWED BY : T.S. Chang APPROVED BY : H.S. Hu DISTRIBUTION : *CTS(T)F-013