SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) RoHS compliant ST-4 INTERNAL STRUCTURE 1 7 2 6 5 3 4 9 Part name 8 Material Flammability 1 Wiper Multi metal alloy FEATURES 2 Cover Stainless steel (SUS 304) RoHS compliant Wide variety (7 types) to choose from Automatic mounting is possible (Taping) Flow/reflow soldering is possible Sealed construction (Washable: Refer to A-328) Stopper structure prevents terminal pin from being open. Cross slot rotor suitable for automatic adjustment 3 Housing 4 Terminal pin Copper alloy, Sn-Cu-plated 5 Base element Ceramic 6 "O" ring 7 Rotor 8 Electrode Ag-Pd cermet 9 Resistive element RuO2 cermet -- UL-94V-0 Epoxy -- Silicone rubber UL-94HB Polyphenylenesulphide UL-94V-0 -- PART NUMBER DESIGNATION S T - 4 E T A 2 0 0 ( 2 0 1 ) Resistance code Series name (minus slot) Terminal pin Resistance value ESn-Cu (Lead-free) Product shape (Shape of terminal) Form of packaging A, GJ-hook B, D, HGull wing C, FThrough hole pins TTaping (Reel) BlankBulk in plastic bag S T - 4 2 E T A 2 0 0 ( 2 0 1 ) Series name (cross slot) Terminal pin Resistance code Resistance value ESn-Cu (Lead-free) Product shape (Shape of terminal) Form of packaging TTaping (Reel) BlankBulk in plastic bag Please refer to the LIST OF PART NUMBERS when placing orders. Specifications are subject to change without notice. A, GJ-hook B, D, HGull wing C, FThrough hole pins COPAL ELECTRONICS ST-4 SURFACE MOUNT TRIMMERS LIST OF PART NUMBERS Adjustment Shape of terminal position A (J-hook) Top B (Gull wing) adjustment C (Through hole pins) D (Gull wing) Rear adjustment F (Through hole pins) Nominal resistance values A 10 A 20 Form of packaging Taping (reel) Plastic bag ST-4/42ETA ST-4/42EA ST-4/42ETB ST-4/42EB ST-4/42EC A ST-4/42ETD A ST-4/42ED 10 k 20 k 50 100 200 500 1 k 2 k 50 k 100 k 200 k 500 k 1 M 2 M 5 k Fig. 1 Not manufactured 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. Taping specification is not sold separately and must be purchased in reel units. Cross slot available : ST-42E A ST-4/42EF G (J-hook) Side adjustment H (Gull wing) ST-4/42ETG ST-4/42EG ST-4/42ETH ST-4/42EH Pieces in package 500 pcs./reel 100 pcs./pack A The products indicated by A mark are manufactured upon receipt of order basis. C slot : ST-4E, B slot : ST-42E Mechanical angle 240 (1 turn) Operating torque 10 mN*m {102 gf*cm} maximum Stop strength 30 mN*m {306 gf*cm} minimum 10 ~ 2 M Rotational life 100 cycles [R/R (2 +3 %)] 20 % Thrust to rotor 5 N {0.51 kgf} minimum ELECTRICAL CHARACTERISTICS Nominal resistance range MECHANICAL CHARACTERISTICS Resistance tolerance Solderability 245 3 C, 2 ~ 3 s Linear law (B) Shear (Adhesion) 5 N {0.51 kgf} 10 s Maximum input voltage DC200 V or power rating, whichever is smaller Substrate bending Width 90 mm, bend 3 mm, 5 s, 1 time Maximum wiper current 100 mA or power rating, whichever is smaller Pull-off strength Effective electrical angle 210 (1 turn) Power ratings 0.25 W (70 C) 0 W (125 C) Resistance law End resistance 1 % or 2 , whichever is greater C.R.V. 1 % or 3 , whichever is greater -55 ~ 125 C Operating temp. range Temp. coefficient Insulation resistance 10 ~ 50 : 250 10-6/C maximum 100 ~ 2 M : 100 10-6/C maximum 1000 M minimum (DC500 V) Dielectric strength Net weight Reflow profile for soldering heat evaluation (C) 250 Peak : 250 +5 0 C Temperature Over 230 C 200 150 100 50 180 C 150 C { }Reference only ENVIRONMENTAL CHARACTERISTICS Test item Thermal shock Humidity Shock AC500 V, 60 s Approx. 0.12 g (ST-4EA, EB, EC, ED, EF) Approx. 0.22 g (ST-4EG, EH) 5 N {0.51 kgf} 10 s Test conditions Specifications -65 ~ 125 C (0.5 h), 5 cycles [R/R 2 %] [S.S. 1 %] -10 ~ 65 C (80 ~ 98 %), 10 cycles, 240 h 981 m/s2, 6 ms 6 directions for 3 times each Vibration Amplitude 1.52 mm or Acceleration 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each Load life 70 C, 0.25 W 1000 h [R/R 2 %] [R/R 1 %] [S.S. 1 %] [R/R 3 %] [S.S. 1 %] [R/R 2 %] [S.S. 2 %] [R/R 3 %] [S.S. 2 %] Low temp. operation -55 C, 2 h High temp. exposure 125 C, 250 h Immersion seal 85 C, 60 s No leaks (No continuous bubbles) Soldering heat Flow : 260 3 C as the temperature in a pot of molten solder, immersion from head of terminal to backside of board, 5 ~ 6 s, two times maximum Reflow : Peak temperature 255 C (Please refer to the profile below.) Manual soldering350 10 C, 3 ~ 4 s [R/R 1 %] Pre Heating Zone 90 30 s 30 10 s Heating time Soldering Zone Reflow : two times maximum 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. COPAL ELECTRONICS ST-4 SURFACE MOUNT TRIMMERS MAXIMUM INPUT RATINGS Nominal resistance values () A A Resistance code Maximum input voltage (V) Maximum wiper current (mA) 10 20 50 100 200 500 100 200 500 101 201 501 1.00 2.00 3.53 5.00 7.07 11.2 100 100 70.7 50.0 35.4 22.4 1k 2k 5k 10 k 20 k 50 k 102 202 502 103 203 503 15.8 22.4 35.4 50.0 70.7 112 15.8 11.2 7.07 5.00 3.54 2.24 100 k 200 k 500 k 1M 2M 104 204 504 105 205 158 200 200 200 200 1.58 1.00 0.40 0.20 0.10 The products indicated by A mark are manufactured upon receipt of order basis. RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS ST-4EA ST-4EB 2 1.5 2 0 4 2 0 1.6 1.6 1.6 2.35 1.6 2.35 2.35 ST-4EG ST-4EH 2 2.8 0.8 2 0.8 2 0 3.3 2.5 1.6 2.35 0.3 0 0.3 1.6 1.6 1.6 1.5 2 2 0 5.6 2 2 2 (Unit: mm) ST-4ED 1.6 1.6 Note) The zero point is the center of mounting. 2.35 Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. COPAL ELECTRONICS ST-4 SURFACE MOUNT TRIMMERS OUTLINE DIMENSIONS Unless otherwise specified, tolerance : 0.3 (Unit: mm) 1 3 ST-4EA Top adjustment CW rotation 2 Note the terminal position. 0.6 W x 2.3 L x 0.5 D 2 1.2 Lead-free Identification mark 3 5.2 - 00.5 4.5 Resistance code & Production date code t = 0.15 3 5 1 0.35 min. ST-4EB Top adjustment 0.6 W x 2.3 L x 0.5 D 4.5 5 1 t = 0.15 2.3 0.35 min. Lead-free Identification mark 3 1.2 6.2 Resistance code & Production date code 2 2 - 0.8 2.35 2.3 2 - 0.8 2.35 ST-4EC Top adjustment 0.6 W x 2.3 L x 0.5 D 2 4.5 3 3 - 0.6 Resistance code & Production date code 5 1 5 Lead-free Identification mark 2.3 2.54 41 t = 0.15 ST-4EG Side adjustment 0.6 W x 2.3 L x 0.5 D Resistance code & Production date code 2.35 4.5 3 1.45 5 2 - 0.8 (2.1) t = 0.15 0.95 0 5.7 + 0.4 3.1 1 Lead-free Identification mark 2 1.2 Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. COPAL ELECTRONICS ST-4 SURFACE MOUNT TRIMMERS OUTLINE DIMENSIONS Unless otherwise specified, tolerance : 0.3 (Unit: mm) 1 3 ST-4EH Side adjustment CW rotation 2 Note the terminal position. 0.6 W x 2.3 L x 0.5 D 5 2.35 Resistance code & Production date code 2 - 0.8 4.5 1 0 5.7+ 0.4 3.1 3 Lead-free Identification mark 2 0.8 1.2 6.1 ST-4ED Rear adjustment t = 0.15 Semi-standard products 0.6 W x 2.3 L x 0.5 D 1.2 7.2 4.5 2 0.5 Resistance code & Production date code 0.5 Lead-free Identification mark 3 1 5 2 - 0.8 2.3 2.8 ST-4EF Rear adjustment t = 0.15 Semi-standard products 0.6 W x 2.3 L x 0.5 D 2 3 - 0.6 6.35 Resistance code & Production date code 4.5 3 2.35 Lead-free Identification mark 1 5 2.50.5 2.3 t = 0.15 2.54 ST-42E CROSS SLOT DIMENSION 0.6 W x 2.3 L x 0.5 D Cross slot screwdriver 0 bit : 0.8 D Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. COPAL ELECTRONICS ST-4 SURFACE MOUNT TRIMMERS +0.1 0 1.5 <Taping packaging specifications> 80.1 Taping version is packaged in 500 pcs. per reel. Orders will be accepted for units of 500 pcs., i.e., 500, 1000, 1500 pcs., etc. ST-4ETA, ETB and ETD versions are boxed with 4 reels (2000 pcs.). ST-4ETG and ETH versions are boxed with one reel (500 pcs.). 20.05 40.1 1.5 1.750.1 ST-4ETA/ETB/ETD PACKAGING SPECIFICATIONS 0.30.1 5.50.05 Maximum number of consecutive missing pieces = 2 Leader length and reel dimension are shown in the diagrams below. 12 Installation example (ST-4EA) Lead-free Identification mark 2.7 (ST-4ETA/ETB) 3.4 (ST-4ETD) Direction of feed EMBOSSED TAPE DIMENSIONS Filled ST-4ETG/ETH Empty 80.1 Head End 20.1 40 mm min. 20 pitches min. 0 0 .1 Leader Direction of feed 40.1 1.5 + 1.750.1 Empty Installation example (ST-4EG) 0.30.1 12 5.50.1 400 mm min. REEL DIMENSIONS Conforms to JIS C 0806-3 In accordance with EIAJ ET-7200A (Unit: mm) Direction of feed 6.4 +1 0 20.5 +1 210.8 60 0 (TA/TB) 50 min.(TG/TH) 13 (ETA/ETB) 13.41 (ETG/ETH) 130.2 0 180 -1.5 (ST-4ETA/ETB/ETD) 254 2 (ST-4ETG/ETH) <Bulk pack specifications> Unit of bulk in a plastic bag is 100 pcs. per pack. Boxing of bulk in a plastic bag is performed with 500 pcs. per box. 15.41 (ETA/ETB/ETD) 17.41 (ETG/ETH) Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.