SINGLE TURN CERMET TRIMMERS RJ-4 INTERNAL STRUCTURE 1 RoHS compliant 1 0 2 3 9 4 8 5 7 6 Part name Material Flammability Rotor Polybutyleneterephthalate FEATURES 1 UL94HB O ring Silicone rubber 2 Electrode Ag-Pd cermet 3 Base element Ceramic 4 Base Polyphenylenesulphide UL94V-0 5 Terminal pin Copper alloy, Tin-plated 6 Resistive element RuO2 cermet 7 Adhesive Epoxy 8 Wiper Multi metal alloy 9 Rubber cushion Silicone rubber 0 Stainless steel 1 Cover PART NUMBER DESIGNATION R J - 4 E W S 2 k ( 2 0 2 ) Series name Resistance code Terminal pin Resistance value E Sn (Lead-free) Product shape W Top adjustment WS Side adjustment Please refer to the LIST OF PART NUMBERS when placing orders.RJ-4 CERMET TRIMMERS LIST OF PART NUMBERS Nominal resistance values A A 10 20 50 100 200 500 1 k 2 k 5 k Form of packaging Adjustment Pieces in position package 10 k 20 k 50 k 100 k 200 k 500 k 1 M 2 M Plastic bag Fig. 1 The products indicated by A mark are manufactured upon receipt of Top adjustment RJ-4EW order basis. 50 pcs./pack Side adjustment RJ-4EWS The above part numbers are all available with the respective combination of <Nominal resistance values> (Fig. 1). Verify the above part numbers when placing orders. ELECTRICAL CHARACTERISTICS MECHANICAL CHARACTERISTICS 230 (1 turn) Mechanical angle Nominal resistance range 10 ~ 2 M 15 mNm 153 gfcm maximum Operating torque Resistance tolerance 10 % 45 mNm 459 gfcm minimum Stop strength Power ratings 0.5 W (70 C) 0 W (120 C) 200 cycles Rotational life 10 ~ 200 R/R (0.5 3 %) Resistance law Linear law 500 ~ 2 M R/R (0.5 2 %) 10 N 1.02 kgf minimum Maximum input voltage DC200 V or power rating, whichever is smaller Terminal strength Tensile strength Maximum wiper Thrust to rotor 10 N 1.02 kgf minimum 100 mA or power rating, whichever is smaller current Effective electrical Solderability 245 3 C, 2 ~ 3 s 200 (1 turn) angle Reference only End resistance 1 % or 2 , whichever is greater C.R.V. 1 % or 3 , whichever is greater ENVIRONMENTAL CHARACTERISTICS Operating temp. range 55 ~ 120 C Test item Test conditions Specifications -6 R/R 1 % 65 ~ 125 C (0.5 h), 10 ~ 50 : 250 10 /C maximum Temp. coefficient Thermal shock -6 5 cycles S.S. 1 % 100 ~ 2 M : 100 10 /C maximum 10 ~ 65 C (80 ~ 98 %), Humidity R/R 1 % Insulation resistance 1000 M minimum (DC500 V) 10 cycles, 240 h 2 981 m/s , 6 ms Shock 6 directions for 3 times each Dielectric strength AC500 V, 60 s R/R 1 % (Amplitude) 1.52 mm or S.S. 1 % 2 Vibration (Acceleration) 196 m/s , Approx. 0.26 g (RJ-4EW) Net weight 10 ~ 2000 Hz, 3 directions, 12 times each Approx. 0.35 g (RJ-4EWS) R/R 3 % 70 C, 0.5 W Load life S.S. 1 % 1000 h R/R 2 % Low temp. operation 55 C, 2 h S.S. 2 % R/R 3 % High temp. 120 C, 250 h exposure S.S. 2 % No leaks Immersion 85 C, 60 s seal (No continuous bubbles) Flow ~ Soldering heat R/R 1 % Manual soldering 380 10 C, 3 ~ 4 s R/R Change in total resistance S.S. Setting stability