SURFACE MOUNT CERMET TRIMMERS (ST-5 14 TURNS) ST-5 INTERNAL STRUCTURE RoHS compliant 1 0 2 9 3 8 4 7 6 5 Part name Material Flammability FEATURES Housing Polyphenylenesulphide UL94V-0 1 RoHS compliant Shaft Brass, Nickel-plated 2 Precise adjustment is possible Automatic mounting is possible (Taping) Terminal pin Copper, Tin-plated 3 Flow/reflow soldering is possible Base element Ceramic Sealed construction (Washable: Refer to page 698.) 4 Electrode Ag-Pd cermet 5 Resistive element RuO2 cermet 6 Wiper Multi metal alloy 7 Adhesive Epoxy 8 Rubber cushion Silicone rubber 9 Rotor gear Polyamide UL94HB 0 PART NUMBER DESIGNATION S T - 5 E T W 5 0 0 ( 5 0 1 ) Series name Resistance code Terminal pin Resistance value ESn (Lead-free) Product shape (Shape of terminal) WGull wing (Top adjustment) Form of packaging XGull wing (Side adjustment) TTaping (Reel) PGull wing (Side adjustment) MMagazine (Stick) RGull wing (Side adjustment) BlankBulk in plastic bag 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 A10 A20 50 100 200 500 1 k 2 k 5 k Adjustment Shape of terminal position Taping (reel) Magazine (stick) Plastic bag 10 k 20 k 50 k 100 k 200 k 500 k 1 M 2 M Fig. 1 Top W (Gull wing) ST-5ETW ST-5EMW ST-5EW adjustment The above part numbers are all available with the respective combination of <Nominal resistance values> (Fig. 1). X (Gull wing) ST-5ETX ST-5EMX ST-5EX Verify the above part numbers when placing orders. Side Gull wing ST-5ETP ST-5EMP ST-5EP P ( ) Taping and magazine specifications are not sold separately and must be purchased in reel or stick units. adjustment ST-5ETR ST-5EMR ST-5ER R (Gull wing) Pieces in package 500 pcs./reel 50 pcs./stick 50 pcs./pack The products indicated by A mark are manufactured upon receipt of order basis. MECHANICAL CHARACTERISTICS Mechanical turn 14 turns ELECTRICAL CHARACTERISTICS Operating torque 20 mNm 204 gfcm maximum Nominal resistance range 10 ~ 2 M Mechanical stop Clutch action 200 cycles Resistance tolerance 10 % Rotational life 10 ~ 200 R/R (0.5 +3 %) 500 ~ 2 M R/R (0.5 +2 %) Power ratings 0.25 W (85 C) 0 W (120 C) Thrust to shaft 5 N 0.51 kgf minimum B Resistance law Linear law Solderability 245 3 C, 2 ~ 3 s Maximum input voltage DC200 V or power rating, whichever is smaller Shear (Adhesion) 5 N 0.51 kgf 10 s Maximum wiper current 100 mA or power rating, whichever is smaller Substrate bending Width 90 mm, bend 3 mm, 5 s, 1 time Effective electrical turn 11 turns Pull-off strength 5 N 0.51 kgf 10 s End resistance 1 % or 2 , whichever is greater Reference only C.R.V. 1 % or 3 , whichever is greater Operating temp. range 55 ~ 120 C ENVIRONMENTAL CHARACTERISTICS -6 10 ~ 50 : 250 10 /C maximum Temp. coefficient -6 Test item Test conditions Specifications 100 ~ 2 M : 100 10 /C maximum R/R 1 % Insulation resistance 1000 M minimum (DC500 V) Thermal shock 65 ~ 125 C (0.5 h), 5 cycles S.S. 1 % 10 ~ 65 C (80 ~ 98 %), Dielectric strength AC600 V, 60 s Humidity R/R 1 % 10 cycles, 240 h 2 981 m/s , 6 ms Net weight Approx. 0.35 g Shock 6 directions for 3 times each R/R 1 % (Amplitude) 1.52 mm or S.S. 1 % 2 (Acceleration) 196 m/s , Vibration Reflow profile for soldering heat evaluation 10 ~ 2000 Hz, 3 directions, 12 times each R/R 2 % Load life 85 C, 0.25 W, 1000 h S.S. 1 % () +5 R/R 2 % Peak : 250 0 Low temp. operation 55 C, 2 h 250 S.S. 2 % Over 230 R/R 2 % High temp. exposure 120 C, 250 h S.S. 2 % 200 Pre Heating Zone No leaks 180 Immersion seal 85 C, 60 s (No continuous bubbles) 150 150 90 30 s Flow : 260 3 C as the temperature in a 100 pot of molten solder, immersion from head of 30 10 s ter minal to backside of board, 5 ~ 6 s, two Soldering heat times maximum R/R 1 % 50 Soldering Zone Reflow : Peak temperature 255 C Heating time (Please refer to the profile below.) Manual soldering350 10 C, 3 ~ 4 s Reflow : two times maximum R/RChange in total resistance S.S. Setting stability Temperature