SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) RoHS compliant ST-32 INTERNAL STRUCTURE 2 1 7 6 5 3 4 9 8 Part name Material FEATURES 1 Wiper Multi metal alloy RoHS compliant Rotor with a cross slot for ease of adjustment Leaded terminals provide strong as adhesive strength against P.C.B. bending J-hook, Gull wing and leaded terminal configurations Sealed (Washable: Refer to A-328) 2 Cover Stainless steel (SUS 304) 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 Flammability -- UL-94V-0 Epoxy -- Silicone rubber UL-94HB Polyphenylenesulphide UL-94V-0 -- PART NUMBER DESIGNATION S T - 3 2 E T A 1 0 0 ( 1 2 ) Series name Resistance code Terminal pin Resistance value ESn-Cu (Lead-free) Form of packaging Product shape (Shape of terminal) TTaping (Reel) BlankBulk in plastic bag A, GJ-hook B, HGull wing Please refer to the LIST OF PART NUMBERS when placing orders. Specifications are subject to change without notice. COPAL ELECTRONICS ST-32 SURFACE MOUNT TRIMMERS LIST OF PART NUMBERS Adjustment position Shape of terminal Nominal resistance values Form of packaging A 10 A 20 50 100 200 300 500 1 k 2 k 3 k 5 k 10 k 20 k 30 k 50 k 100 k 200 k 500 k 1 M 2 M Taping (reel) Plastic bag A (J-hook) ST-32ETA ST-32EA The products indicated by A mark are manufactured upon receipt of order basis. B (Gull wing) ST-32ETB ST-32EB G (J-hook) ST-32ETG ST-32EG H (Gull wing) ST-32ETH ST-32EH The part numbers on the left 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. 500 pcs./reel 100 pcs./pack Fig.1 Top adjustment Side adjustment Pieces in package ELECTRICAL CHARACTERISTICS Nominal resistance range MECHANICAL CHARACTERISTICS 10 ~ 2 M Mechanical angle 250 (1 turn) 20 % Operating torque 5 mN*m {51 gf*cm} maximum Resistance tolerance Power ratings 0.125 W (70 C) 0 W (125 C) Stop strength 20 mN*m {204 gf*cm} minimum Resistance law Linear law (B) Rotational life 100 cycles [R/R (2 +3 %)] Maximum input voltage DC200 V or power rating, whichever is smaller Thrust to rotor 5 N {0.51 kgf} minimum Maximum wiper current 100 mA or power rating, whichever is smaller Solderability 245 3 C, 2 ~ 3 s Effective electrical angle 210 (1 turn) Shear (Adhesion) 5 N {0.51 kgf} 10 s End resistance 1 % or 2 , whichever is greater Substrate bending Width 90 mm, bend 3 mm, 5 s, 1 time C.R.V. 1 % or 3 , whichever is greater Pull-off strength -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 { }Reference only ENVIRONMENTAL CHARACTERISTICS 1000 M minimum (DC500 V) AC500 V, 60 s Dielectric strength Approx. 0.05 g (ST-32EA, EB) Approx. 0.11 g (ST-32EG, EH) Net weight Test item Thermal shock Humidity 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 5 N {0.51 kgf} 10 s Pre Heating Zone 90 30 s 30 10 s Heating time Shock 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, 0.125 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 %] 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-32 SURFACE MOUNT TRIMMERS MAXIMUM INPUT RATINGS Nominal resistance Maximum input Resistance code values () voltage (V) A A Maximum wiper current (mA) 10 20 50 100 200 300 500 11 21 51 12 22 32 52 1.00 1.58 2.50 3.53 5.00 6.12 7.91 100 79.1 50.0 35.4 25.0 20.4 15.8 1k 2k 3k 5k 10 k 20 k 30 k 50 k 13 23 33 53 14 24 34 54 11.2 15.8 19.4 25.0 35.4 50.0 61.2 79.1 11.2 7.91 6.45 5.00 3.54 2.50 2.04 1.58 100 k 200 k 500 k 1M 2M 15 25 55 16 26 112 158 200 200 200 1.12 0.79 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-32EA, EG ST-32EB, EH (Unit : mm) 1.6 0.9 2.2 1.5 1.6 1 0.9 4.6 0 1.2 0.8 1.9 1.2 1 6 0 1.2 3.2 For reflow soldering 1.2 0.8 1.2 3.2 Note) The zero point is the center of mounting. 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-32 SURFACE MOUNT TRIMMERS OUTLINE DIMENSIONS Unless otherwise specified, tolerance : 0.3 (Unit : mm) 1 3 ST-32EA Top adjustment CW rotation 2 Note the terminal position. Cross slot for a 0 bit driver, depth : 0.45 Production date code & Lead-free Identification mark 1 digit (Location reversed every 2 years) 2 1.5 0.5 1 2 3.5 1.9 3.4 0.6 0.05 3.4 3 1 Resistance code 2 digits 2 2 - 0.7 t = 0.12 2.1 ST-32EB Top adjustment Cross slot for a 0 bit driver, depth : 0.45 2 1.9 1 4.4 Production date code & Lead-free Identification mark 1 digit (Location reversed every 2 years) 1.5 0.5 3.4 2 0.05 3 3.4 1 Resistance code 2 digits 2 t = 0.12 2.1 2 - 0.7 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-32 SURFACE MOUNT TRIMMERS OUTLINE DIMENSIONS Unless otherwise specified, tolerance : 0.3 (Unit : mm) 1 3 ST-32EG Side adjustment CW rotation 2 Note the terminal position. Cross slot for a 0 bit driver, depth : 0.45 Production date code & Lead-free Identification mark 1 digit (Location reversed every 2 years) Adjustment 3.6 1.5 0.5 3 3.5 1 2.4 2 - 0.6 1.7 1.1 2.6 1.9 4.7 1 0.2 1 t = 0.12 Resistance code 2 digits 2 ST-32EH Side adjustment Cross slot for a 0 bit driver, depth : 0.45 3.6 1.5 Production date code & Lead-free Identification mark 1 digit (Location reversed every 2 years) Adjustment 3 3.5 0.5 2.4 1 2 - 0.6 1.7 1.3 2.6 1.9 4.7 1.4 0.2 t = 0.12 Resistance code 2 digits 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-32 SURFACE MOUNT TRIMMERS 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-32ETA, ETB versions are boxed with 4 reels (2000 pcs.). ST-32ETG, ETH versions are boxed with one reel (500 pcs.). .5 5.50.05 .1 +0 0 2.5 3 1 Direction of feed EMBOSSED TAPE DIMENSIONS ST-32ETG, ETH 80.1 Empty 20.1 40.1 .5 1 .1 +0 0 2 1.750.1 Filled 2 0.40.1 Installation example (ST-32EH) 5.50.1 20 pitches min. Direction of feed Leader 12 Head End 40 mm min. 0.30.1 Installation example (ST-32EA) Maximum number of consecutive missing pieces = 2 Leader length and reel dimension are shown in the diagrams below. Empty 20.05 12 80.1 40.1 1 <Taping packaging specifications> 1.750.1 ST-32ETA, ETB PACKAGING SPECIFICATIONS 400 mm min. 3 1 Direction of feed 5.5 max. REEL DIMENSIONS Conforms to JIS C 0806-3 <Bulk pack specifications> In accordance with EIAJ ET-7200A (Unit: mm) 210.8 20.5 130.2 0 180 -1.5 (ST-32ETA/ETB) 2542 (ST-32ETG/ETH) 60 +10 (ETA/ETB) 50 min.(ETG/ETH) 13 +10 (ETA/ETB) 13.41 (ETG/ETH) 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) 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.