SURFACE MOUNT CERMET TRIMMERS RoHS compliant SM-42/43 INTERNAL STRUCTURE 9 1 2 3 8 4 5 7 6 Part name Material Flammability PPS(Polyphenylenesulphide) UL94-V-0 FEATURES 1 Housing RoHS compliant Fine adjustment is available Automatic mounting is available (Taping) Reflow soldering is available Sealed construction (Washable: Refer to A-328) 2 Base element 3 Electrode Ag-Pd cermet 4 Resistive element RuO2 cermet 5 Adhesive 6 Wiper 7 Terminal pin 8 Rotor gear 9 Shaft Ceramic Epoxy UL94-HB equivalent Multi metal alloy Copper alloy, Sn-Cu-plated Polyamide UL94-V-0 Brass, Nickel-plated PART NUMBER DESIGNATION S M - 4 T W 1 0 0 ( 1 0 1 ) Series name Resistance code Electrical turn Resistance value 211 turns 35 turns Form of packaging Product shape (Shape of terminal) TTaping (Reel) BlankBulk in plastic bag W, XTop adjustmet A, BSide adjustmet Please refer to the LIST OF PART NUMBERS when placing orders. Specifications are subject to change without notice. COPAL ELECTRONICS SM-42/43 SURFACE MOUNT TRIMMERS LIST OF PART NUMBERS Form of packaging Adjustment Shape of terminal position Electrical turn Nominal resistance values Taping (reel) Plastic bag W (J-hook) SM-42TW SM-42W X (Gull wing) SM-42TX SM-42X A (J-hook) SM-42TA SM-42A B (Gull wing) SM-42TB SM-42B W (J-hook) SM-43TW SM-43W X (Gull wing) SM-43TX SM-43X A (J-hook) SM-43TA SM-43A B (Gull wing) SM-43TB SM-43B Top adjustment 11 A 10 A 20 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 The products indicated by A mark are manufactured upon receipt of order basis. 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. Side adjustment Top adjustment 5 Side adjustment TA, TB : 500 pcs./reel TW, TX : 250 pcs./reel Pieces in package 50 pcs./pack ELECTRICAL CHARACTERISTICS MECHANICAL CHARACTERISTICS Operating torque 17.6 mN*m {180 gf*cm} maximum Mechanical stop Clutch action Rotational life 200 cycles [R/R (3 +3 %)] Thrust to shaft 5 N {0.51 kgf} minimum Solderability 245 3 C, 2 ~ 3 s 10 % Shear (Adhesion) 5 N {0.51 kgf} 10 s Power ratings 0.25 W (85 C) 0 W (150 C) Substrate bending Width 90 mm, bend 3 mm, 5 s, 1 time Resistance law Linear law 10 ~ 2 M Nominal resistance range Resistance tolerance Maximum input voltage DC300 V or power rating, whichever is smaller Maximum wiper current 100 mA or power rating, whichever is smaller Effective electrical turn 11 turns (SM-42), 5 turns (SM-43) Pull-off strength { }Reference only ENVIRONMENTAL CHARACTERISTICS Test item End resistance 1 % or 2 , whichever is greater Thermal shock C.R.V. 1 % or 3 , whichever is greater Humidity -65 ~ 150 C Operating temp. range Shock 100 10-6/C maximum Temp. coefficient Insulation resistance 100 M minimum (DC500 V) 5 N {0.51 kgf} 10 s Test conditions Specifications -65 ~ 150 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 85 C, 0.25 W, 1000 h Dielectric strength AC600 V, 60 s Load life Net weight Approx. 0.17 g Low temp. operation -65 C, 2 h High temp. exposure 150 C, 250 h Immersion seal 85 C, 60 s Reflow profile for soldering heat evaluation (C) 250 Peak : 250 +5 0 Temperature 150 100 50 180 C 150 C Pre Heating Zone Soldering heat 90 30 s 30 10 s Heating time [R/R 1 %] [S.S. 1 %] [R/R 3 % or 3 ] [S.S. 2 %] [R/R 1 %] [S.S. 1 %] [R/R 2 %] [S.S. 1 %] No leaks (No continuous bubbles) C Over 230 C 200 [R/R 2 %] Soldering Zone Reflow : Peak temperature 255 C (Please refer to the profile below.) Manual soldering 350 10 C, 3 ~ 4 s [R/R 1 %] R/RChange in total resistance S.S. Setting stability Reflow : two times maximum 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 SM-42/43 SURFACE MOUNT TRIMMERS MAXIMUM INPUT RATINGS Nominal resistance input Resistance code Maximum values () voltage (V) A A 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 104 204 504 105 205 158 223 300 300 300 1.58 1.12 0.60 0.30 0.15 The products indicated by A mark are manufactured upon receipt of order basis. RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS SM-42/43B SM-42/43X 2 2 5.1 0 2.3 1.3 1.3 1.9 1.3 1.3 2.3 2.9 0 1.6 5.2 0 2 0 4 1.6 2 1.9 2 2 SM-42/43W 1.3 SM-42/43A (Unit: mm) 2.54 1.3 2.54 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 SM-42/43 SURFACE MOUNT TRIMMERS OUTLINE DIMENSIONS SM-42/43W Unless otherwise specified, tolerance : 0.3 (Unit : mm) 3.9 1 Resistance code & Production date code 3.5 3 CW rotation 1 2 4.8 1.2 3 - 0.9 2 - 0.8 2.54 1.3 2 Note the terminal position. 1.5, Slot 3 0.56W x 0.5D 5.1 2.6 3-1 5.3 SM-42/43X 5.7 Resistance code & Production date code 3.5 2 2 - 0.8 1.2 4.8 2.54 1.3 1 1.5, Slot 0.56W x 0.5D 3 5.1 3-1 5.3 SM-42/43A 3.7 3 - 0.8 Resistan ce code & Produ ction d ate code 2 - 0.9 4.8 1.2 1.3 2.3 3-1 1.5, Slot 0.56W x 0.5D 2.6 4.6 5 SM-42/43B 1 1.2 2.3 1.3 4.8 2 3 - 0.6 3.9 Resistance code & Production date code 3 2 - 0.9 1.5, Slot 0.56W x 0.5D 4.6 2.8 6 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 SM-42/43 SURFACE MOUNT TRIMMERS PACKAGING SPECIFICATIONS <Taping packaging specifications> Taping version (SM-42/43TA, TB) is packaged in 500 pcs. per reel. Orders will be accepted for units of 500 pcs., i.e., 500, 1000, 1500 pcs., etc. SM-42/43TW, TX is packaged in 250 pcs. per reel. Orders will be accepted for units of 250 pcs., i.e., 500, 750 pcs., etc. Maximum number of consecutive missing pieces = 2 Leader length and reel dimension are shown in the dia-grams below. EMBOSSED TAPE DIMENSIONS REEL DIMENSIONS Conforms to JIS C 0806-3 TA/TB type : In accordance with EIAJ ET-7200A Empty Filled (Unit: mm) Empty +1 13 0 (TA/TB) 170.3 (TW, TX) Head 40 mm min. 210.8 20 pitches min. 20.5 +1 0 End 60 Leader Direction of feed 400 mm min. 130.2 0 180 -1.5 (TA/TB) 0 180 -3 (TW, TX) 5.75 2 1.75 0.1 0.4 0.1 Installation example (SM-42A) 12 5.5 0.05 7.5 0.1 12 0.1 2 0.1 3 .1 +0 0 A 1 1 A 5 1. 2 Installation example (SM-42W) .1 +0 0 .5 1 3 4 0.1 0.5 0.1 +0.3 2 0.1 A SM-42/43TA/TB 16 -0.1 4 0.1 1.75 0.1 SM-42/43TW/TX 15.41 (TA/TB) 19.51 (TW/TX) 4.5 A 8 0.1 Cross section A-A Cross section A-A <Bulk pack specifications> Unit of bulk in a plastic bag is 50 pcs. per pack. Boxing of bulk in a plastic bag is performed with 200 pcs. per box. Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.