18 TURNS CERMET TRIMMERS CT-94 INTERNAL STRUCTURE RoHS compliant 1 0 2 3 9 4 5 6 8 7 Part name Material Flammability FEATURES Housing Polybutyleneterephthalate UL94V-0 1 Base element Ceramic 2 Wiper Multi metal alloy 3 Resistive element RuO2 cermet 4 Electrode Ag-Pd cermet 5 Adhesive Epoxy UL94V-0 6 Terminal pin Copper, Tin-plated 7 Rotor gear Polyamide UL94HB 8 Rubber cushion Silicone rubber 9 0 Shaft Brass, Nickel-plated PART NUMBER DESIGNATION C T - 9 4 E W 1 k ( 1 0 2 ) Series name Resistance code Terminal pin Resistance value E Sn (Lead-free) Product shape W, Y Top adjustment X, P, Z Side adjustment Please refer to the LIST OF PART NUMBERS when placing orders.CT-94 CERMET TRIMMERS LIST OF PART NUMBERS Nominal resistance values A 10 A 20 50 100 200 500 1 k 2 k 5 k Form of packaging Adjustment Shape of terminal Pieces in 10 k 20 k A 25 k 50 k 100 k 200 k A 250 k 500 k 1 M 2 M position (Top view) package Plastic bag Fig.1 Top adjustment The above part numbers are all available with the respective combination of 3 1 CT-94EW <Nominal resistance values> (Fig. 1). 2 Verify the above part numbers when placing orders. 2 The products indicated by A mark are manufactured upon receipt of CT-94EY order basis. 3 1 3 1 CT-94EX 50 pcs./pack 2 Side adjustment 1 3 ( Adjustment CP-94EP direction) MECHANICAL CHARACTERISTICS 2 3 1 Mechanical turn 18 turns CT-94EZ 2 Operating torque 35 mNm 357 gfcm maximum Mechanical stop Clutch action Rotational life 200 cycles R/R (2 3 %) ELECTRICAL CHARACTERISTICS 10 N 1.02 kgf minimum Terminal strength Tensile strength Nominal resistance range 10 ~ 2 M Thrust to shaft 10 N 1.02 kgf minimum Resistance tolerance 10 % Solderability 245 3 C, 2 ~ 3 s Reference only Power ratings 0.5 W (70 C) 0 W (125 C) Resistance law ENVIRONMENTAL CHARACTERISTICS Linear law Test item Test conditions Specifications Maximum input voltage DC300 V or power rating, whichever is smaller 65 ~ 125 C (0.5 h), R/R 1 % Thermal shock Maximum wiper current 100 mA or power rating, whichever is smaller 5 cycles S.S. 1 % 10 ~ 65 C (80 ~ 98 %), Humidity R/R 2 % 10 cycles, 240 h Effective electrical turn 15 turns 2 981 m/s , 6 ms Shock 6 directions for 3 times each End resistance 1 % or 2 , whichever is greater R/R 1 % (Amplitude) 1.52 mm or S.S. 1 % 2 (Acceleration) 196 m/s , Vibration 10 ~ 2000 Hz, 3 directions, 12 times each C.R.V. 1 % or 3 , whichever is greater R/R 3 % Load life 70 C, 0.5 W, 1000 h S.S. 1 % Operating temp. range 55 ~ 125 C R/R 2 % Low temp. operation 55 C, 2 h -6 S.S. 2 % 10 , 20 : 250 10 /C maximum Temp. coefficient -6 50 ~ 2 M : 100 10 /C maximum R/R 3 % High temp. exposure 125 C, 250 h S.S. 2 % Insulation resistance 1000 M minimum (DC500 V) Immersion seal 85 C, 60 s No leaks (No continuous bubbles) Dielectric strength AC900 V, 60 s Flow 260 3 C, 5 ~ 6 s, two times maximum Soldering heat R/R 1 % Manual soldering Approx. 0.88 g (CT-94EP) Net weight 380 10 C, 3 ~ 4 s Approx. 0.92 g (CT-94EW, EX, EY, EZ) R/R Change in total resistance S.S. Setting stability