SINGLE TURN CERMET TRIMMERS RoHS compliant RJ-4 INTERNAL STRUCTURE !1 1 !0 2 3 9 4 5 6 Part name 8 7 Material Flammability FEATURES 1 Rotor RoHS compliant Compact with power rating of 0.5 W Precious metal alloy wiper 2 "O" ring Silicone rubber 3 Electrode Ag-Pd cermet 4 Base element 5 Base 6 Terminal pin 7 Resistive element 8 Adhesive 9 Wiper Multi metal alloy !0 Rubber cushion Silicone rubber !1 Cover Stainless steel PBT Polybutyleneterephthalate UL-94HB -- Ceramic PBT Polybutyleneterephthalate UL-94V-0 Copper alloy, Tin-plated RuO2 cermet Epoxy -- PART NUMBER DESIGNATION R J - 4 E W S 2 k ( 2 0 2 ) Series name Resistance code Terminal pin ESn (Lead-free) Product shape WTop adjustment WSSide adjustment Please refer to the LIST OF PART NUMBERS when placing orders. Specifications are subject to change without notice. Resistance value COPAL ELECTRONICS RJ-4 CERMET TRIMMERS LIST OF PART NUMBERS Adjustment position Top adjustment Nominal resistance values Form of packaging Pieces in package Plastic bag RJ-4EW 50 pcs./pack Side adjustment RJ-4EWS Resistance tolerance Power ratings Resistance law 10 k 20 k 100 200 500 1 k 2 k 50 k 100 k 200 k 500 k 1 M 2 M 5 k The products indicated by A mark are manufactured upon receipt of order basis. MECHANICAL CHARACTERISTICS 10 ~ 2 M Mechanical angle 230 (1 turn) 10 % Operating torque 15 mN*m {153 gf*cm} maximum Stop strength 45 mN*m {459 gf*cm} minimum 0.5 W (70 C) 0 W (120 C) Linear law 200 cycles 10 ~ 200 [R/R (0.5 +3 %)] 500 ~ 2 M [R/R (0.5 +2 %)] Rotational life Maximum input voltage DC200 V or power rating, whichever is smaller Terminal strength 10 N {1.02 kgf} minimum Tensile strength Maximum wiper current 100 mA or power rating, whichever is smaller Thrust to rotor 10 N {1.02 kgf} minimum Effective electrical angle 200 (1 turn) End resistance 1 % or 2 , whichever is greater C.R.V. 1 % or 3 , whichever is greater Operating temp. range Insulation resistance Dielectric strength Net weight { }Reference only ENVIRONMENTAL CHARACTERISTICS Test item 10 ~ 50 : 250 10 /C maximum 100 ~ 2 M : 100 10-6/C maximum Thermal shock 1000 M minimum (DC500 V) AC500 V, 60 s Approx. 0.26 g (RJ-4EW) Approx. 0.35 g (RJ-4EWS) 245 3 C, 2 ~ 3 s Solderability - 55 ~ 120 C -6 Temp. coefficient Fig. 1 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 Nominal resistance range A 10 A 20 50 Humidity Shock Test conditions Specifications - 65 ~ 125 C (0.5 h), 5 cycles -10 ~ 65 C (80 ~ 98 %), 10 cycles, 240 h 981 m/s2, 6 ms 6 directions for 3 times each [R/R 1 %] [S.S. 1 %] Vibration Amplitude 1.52 mm or Acceleration 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each Load life 70 C, 0.5 W 1000 h Low temp. operation - 55 C, 2 h High temp. exposure 120 C, 250 h Immersion seal 85 C, 60 s Soldering heat Flow 260 3 C5 ~ 6 s, two times Manual soldering 380 10 C, 3 ~ 4 s [R/R 1 %] [R/R 1 %] [S.S. 1 %] [R/R 3 %] [S.S. 1 %] [R/R 2 %] [S.S. 2 %] [R/R 3 %] [S.S. 2 %] No leaks (No continuous bubbles) [R/R 1 %] R/RChange in total resistance S.S. Setting stability Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.