15 TURNS CERMET TRIMMERS CT-20 INTERNAL STRUCTURE RoHS compliant 9 8 0 1 2 7 3 45 6 Part name Material Flammability FEATURES Shaft Brass, Nickel-plated 1 Housing Polybutyleneterephthalate UL94V-0 2 M Terminal pin Copper, Tin-plated 3 Adhesive Epoxy UL94V-0 4 Base element Ceramic 5 Wiper Multi metal alloy 6 Resistive element RuO2 cermet 7 Slider block Polybutyleneterephthalate UL94HB 8 Rubber cushion Silicone rubber 9 0 Electrode Ag-Pd cermet PART NUMBER DESIGNATION C T - 2 0 E P 2 0 0 k ( 2 0 4 ) Series name Resistance code Terminal pin Resistance value E Sn (Lead-free) Product shape P Side adjustment X Side adjustment PB Panel mount Please refer to the LIST OF PART NUMBERS when placing orders.CT-20 CERMET TRIMMERS LIST OF PART NUMBERS <Nominal resistance values> Form of packaging A 10 A 20 50 100 200 500 1 k 2 k 5 k Adjustment Shape of terminal Pieces in position (Top view) package 10 k 20 k 50 k 100 k 200 k 500 k 1 M 2 M A 5 M Plastic bag Fig. 1 2 The above part numbers are all available with the respective combination of CT-20EP <Nominal resistance values> (Fig. 1). 3 1 Verify the above part numbers when placing orders. 50 pcs./pack The products indicated by A mark are manufactured upon receipt of Side 2 order basis. adjustment CT-20EX ( Adjustment 3 1 direction) 2 CT-20EPB 25 pcs./pack 3 1 MECHANICAL CHARACTERISTICS Mechanical turn 15 turns ELECTRICAL CHARACTERISTICS Operating torque 35 mNm 357 gfcm maximum Mechanical stop Clutch action Nominal resistance range 10 ~ 5 M 200 cycles Resistance tolerance 10 % Rotational life 10 ~ 200 R/R (0.5 3 %) 500 ~ 5 M R/R (0.5 2 %) Power ratings 0.5 W (70 C) 0 W (120 C) 9 N 917 gf minimum Terminal strength Tensile strength Resistance law Linear law Thrust to rotor 10 N 1.02 kgf minimum Maximum input voltage DC300 V or power rating, whichever is smaller 245 3 C, 2 ~ 3 s Solderability Reference only Maximum wiper current 100 mA or power rating, whichever is smaller Effective electrical turn 12 turns ENVIRONMENTAL CHARACTERISTICS Test item Test conditions Specifications End resistance 1 % or 2 , whichever is greater R/R 1 % Thermal shock 65 ~ 125 C (0.5 h), 5 cycles S.S. 1 % C.R.V. 1 % or 3 , whichever is greater 10 ~ 65 C (80 ~ 98 %), Humidity R/R 1 % 10 cycles, 240 h 2 981 m/s , 6 ms Operating temp. range 55 ~ 120 C Shock 6 directions for 3 times each R/R 1 % -6 (Amplitude) 1.52 mm or 10 , 20 , 5 M : 250 10 /C maximum S.S. 1 % 2 Temp. coefficient -6 Vibration (Acceleration) 196 m/s , 50 ~ 2 M : 100 10 /C maximum 10 ~ 2000 Hz, 3 directions, 12 times each R/R 2 % Insulation resistance 1000 M minimum (DC500 V) Load life 70 C, 0.5 W, 1000 h S.S. 1 % R/R 1 % Low temp. operation 55 C, 2 h Dielectric strength AC600 V, 60 s S.S. 2 % R/R 2 % High temp. exposure 120 C, 250 h Approx. 1.08 g (CT-20EP, EX) S.S. 2 % Net weight Approx. 3.7 g (CT-20EPB) Immersion seal 85 C, 60 s No leaks (No continuous bubbles) Flow 260 3 C, 5 ~ 6 s, two times maximum Soldering heat R/R 1 % Manual soldering 380 10 C, 3 ~ 4 s R/R Change in total resistance S.S. Setting stability