SURFACE MOUNT CERMET TRIMMERS (14 TURNS) ST-5 INTERNAL STRUCTURE RoHS compliant 1 0 2 9 3 8 4 7 6 5 Part name Material Flammability PPS FEATURES UL94V-0 1 Housing Polyphenylenesulphide O 2 Shaft Brass, Nickel-plated O O 3 Terminal pin Copper, Tin-plated O 4 Base element Ceramic O 5 Electrode Ag-Pd cermet O 6 O Resistive element RuO2 cermet O 7 Wiper Multi metal alloy O O 8 Adhesive Epoxy 9 Rubber cushion Silicone rubber UL94HB 0 Rotor gear Polyamide PART NUMBER DESIGNATION S T - 5 E T W 5 0 0 ( 5 0 1 ) Series name Resistance code Terminal pin Resistance value E Sn (Lead-free) Product shape (Shape of terminal) W Gull wing (Top adjustment) Form of packaging X Gull wing (Side adjustment) T Taping (Reel) P Gull wing (Side adjustment) M Magazine (Stick) R Gull wing (Side adjustment) Bulk in plastic bag Blank Please refer to the LIST OF PART NUMBERS when placing orders. ST-5 SURFACE MOUNT TRIMMERS LIST OF PART NUMBERS Nominal resistance values Form of packaging A A 10 20 50 100 200 500 1 k 2 k 5 k Adjustment position Shape of terminal 10 k 20 k 50 k 100 k 200 k 500 k 1 M 2 M Taping (reel) Magazine (stick) Plastic bag Fig. 1 W ( ) ST-5ETW ST-5EMW ST-5EW Fig. 1 Top adjustment Gull wing X ( ) ST-5ETX ST-5EMX ST-5EX Gull wing ST-5ETP ST-5EMP ST-5EP Side P ( ) Gull wing adjustment ST-5ETR ST-5EMR ST-5ER R ( ) Gull wing The above part numbers are all available with the respective combination of <Nominal resistance values> (Fig. 1). 500 pcs./reel 50 pcs./stick 50 pcs./pack Pieces in package Verify the above part numbers when placing orders. Taping and magazine specifications are not sold separately and must be purchased in reel or stick units. A The products indicated by A mark are manufactured upon receipt of order basis. MECHANICAL CHARACTERISTICS 14 turns Mechanical turn 20 mNm 204 gfcm maximum ELECTRICAL CHARACTERISTICS Operating torque 10 ~ 2 M Clutch action Nominal resistance range Mechanical stop 200 cycles 10 % Resistance tolerance 10 ~ 200 R/R (0.5 +3 %) Rotational life 500 ~ 2 M R/R (0.5 +2 %) 0.25 W (85 C) 0 W (120 C) Power ratings 5 N 0.51 kgf minimum Thrust to shaft Resistance law Linear law 245 3 C, 2 ~ 3 s Solderability Maximum input voltage DC200 V or power rating, whichever is smaller 5 N 0.51 kgf 10 s Shear (Adhesion) Maximum wiper current 100 mA or power rating, whichever is smaller Substrate bending Width 90 mm, bend 3 mm, 5 s, 1 time 11 turns Effective electrical turn 5 N 0.51 kgf 10 s Pull-off strength End resistance 1 % or 2 , whichever is greater Reference only C.R.V. 1 % or 3 , whichever is greater 55 ~ 120 C Operating temp. range ENVIRONMENTAL CHARACTERISTICS -6 10 ~ 50 : 250 10 /C maximum -6 Temp. coefficient 100 ~ 2 M : 100 10 /C maximum Test item Test conditions Specifications R/R 1 % 1000 M minimum (DC500 V) 65 ~ 125 C (0.5 h), 5 cycles Insulation resistance Thermal shock S.S. 1 % 10 ~ 65 C ( 80 ~ 98 %), AC600 V, 60 s R/R 1 % Dielectric strength Humidity 10 cycles, 240 h 2 981 m/s , 6 ms Approx. 0.35 g Net weight Shock 6 directions for 3 times each 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 R/R 2 % Reflow profile for soldering heat evaluation 85 C, 0.25 W, 1000 h Load life S.S. 1 % (C) +5 R/R 2 % Peak : 250 0 C 55 C, 2 h Low temp. operation S.S. 2 % 250 R/R 2 % Over 230 C 120 C, 250 h High temp. exposure S.S. 2 % 200 Pre Heating Zone 180 C 85 C, 60 s Immersion seal No leaks (No continuous bubbles) 150 150 C 90 30 s 100 30 10 s Flow : 260 3 C as the temperature in a pot of R/R 1 % molten solder, immer sion from head of ter minal to Soldering heat 50 Soldering Zone backside of board, 5 ~ 6 s, two times maximum Heating time Reflow : Peak temperature 255 C (Please refer to the profile below.) Reflow : two times maximum Manual soldering 350 10 C, 3 ~ 4 s R/R Change in total resistance S.S. Setting stability Temperature