ST-5 SURFACE MOUNT CERMET TRIMMERS (14 TURNS) INTERNAL STRUCTURE RoHS compliant 1 0 2 9 3 8 4 7 6 5 Part name Material Flammability FEATURES Housing Polyphenylenesulphide UL-94V-0 1 RoHS compliant Shaft Brass, Nickel-plated 2 Precise adjustment is possible Automatic mounting is possible (Taping) 3 Terminal pin Copper, Tin-plated Flow/reflow soldering is possible Sealed construction (Washable: Refer to A-328) 4 Base element Ceramic 5 Electrode Ag-Pd cermet 6 Resistive element RuO2 cermet Wiper Multi metal alloy 7 8 Adhesive Epoxy 9 Rubber cushion Silicone rubber UL-94HB 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) Blank Bulk in plastic bag Please refer to the LIST OF PART NUMBERS when placing orders. Specifications are subject to change without notice.COPAL ELECTRONICS ST-5 SURFACE MOUNT 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 position 10 k 20 k 50 k 100 k 200 k 500 k 1 M 2 M Taping (reel) Magazine (stick) Plastic bag Fig. 1 Top adjustment W (Gull wing) ST-5ETW ST-5EMW ST-5EW 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 Taping and magazine specifications are not sold separately and must be purchased in reel or stick units. ST-5ETP ST-5EMP ST-5EP P (Gull wing) adjustment ST-5ETR ST-5EMR ST-5ER R (Gull wing) 500 pcs./reel 50 pcs./stick 50 pcs./pack Pieces in package 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 10 ~ 2 M Nominal resistance range Mechanical stop Clutch action 10 % Resistance tolerance 200 cycles 0.25 W (85 C) 0 W (120 C) 10 ~ 200 R/R (0.5+3 %) Power ratings Rotational life 500 ~ 2 M R/R (0.5+2 %) Resistance law Linear law 5 N 0.51 kgf minimum Thrust to shaft Maximum input voltage DC200 V or power rating, whichever is smaller 245 3 C, 2 ~ 3 s Solderability Maximum wiper current 100 mA or power rating, whichever is smaller Shear (Adhesion) 5 N 0.51 kgf 10 s 11 turns Effective electrical turn Width 90 mm, bend 3 mm, 5 s, 1 time Substrate bending 1 % or 2 , whichever is greater End resistance Pull-off strength 5 N 0.51 kgf 10 s 1 % or 3 , whichever is greater C.R.V. Reference only 55 ~ 120 C Operating temp. range -6 ENVIRONMENTAL CHARACTERISTICS 10 ~ 50 : 250 10 /C maximum Temp. coefficient -6 100 ~ 2 M : 100 10 /C maximum Test item Test conditions Specifications Insulation resistance 1000 M minimum (DC500 V) R/R 1 % 65 ~ 125 C (0.5 h), 5 cycles Thermal shock AC600 V, 60 s Dielectric strength S.S. 1 % 10 ~ 65 C (80 ~ 98 %), R/R 1 % Humidity Approx. 0.35 g Net weight 10 cycles, 240 h 2 981 m/s , 6 ms Shock 6 directions for 3 times each R/R 1 % Amplitude 1.52 mm or Reflow profile for soldering heat evaluation S.S. 1 % 2 Vibration Acceleration 196 m/s , 10 ~ 2000 Hz, 3 directions, 12 times each (C) +5 R/R 2 % Peak : 250 0 C Load life 85 C, 0.25 W, 1000 h 250 S.S. 1 % Over 230 C R/R 2 % Low temp. operation 55 C, 2 h S.S. 2 % 200 Pre Heating Zone R/R 2 % 180 C 120 C, 250 h High temp. exposure S.S. 2 % 150 150 C 85 C, 60 s Immersion seal No leaks (No continuous bubbles) 90 30 s 100 30 10 s Flow : 260 3 C as the temperature in a pot of 50 Soldering Zone molten solder, immersion from head of terminal to Heating time backside of board, 5 ~ 6 s, two times maximum R/R 1 % Soldering heat 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 Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. Temperature