2 mm 1 SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) ST-2 RoHS 8 2 3 6 4 7 1 L E D INTERNAL STRUCTURE RoHS compliant !1 9 5 Part name FEATURES RoHS 2 mm RoHS compliant Compact and low-profile 2 mm single turn type Sealed construction !0 Material 1 2 3 4 #2 5 #13 6 7 8 9 O "O" ring Silicone rubber !0 Ag-Pd !1 RuO2 Housing Rotor Wiper Terminal #2 Terminal #1, #3 Cover substrate Pin Terminations Resistive element Flammability Epoxy PPS Polyphenylenesulphide UL94V-0 Stainless steel (SUS 304) Sn-Cu Copper alloy, Sn-Cu-plated -- Stainless steel (SUS 304) Ceramic Sn Blass, Sn-plated UL94HB Ag-Pd cermet RuO2 cermet PART NUMBER DESIGNATION ST-2 T A 100 (101) Series name Resistance code Resistance value Form of packaging T Blank Taping (Reel) Bulk in plastic bag Product shape (Shape of terminal) AJ- Please refer to the LIST OF PART NUMBERS when placing orders. 654 J-hook -- ST-2 Adjustment position Shape of terminal J- Top adjustment A ( J-hook Form of packaging Taping (reel) Plastic bag ST-2TA ST-2A 500 pcs./reel 100 pcs./pack Pieces in package Nominal resistance values 100 200 500 1 k 2 k 5 k 20 k 50 k 100 k 200 k 500 k 1 M 10 k Fig.1 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 version is not sold separately and must be purchased in reel units. Fig. 1 Resistance tolerance Power ratings Resistance law Maximum input voltage Maximum wiper current Effective electrical angle MECHANICAL CHARACTERISTICS 100 ~ 1 M 20 % 5 mN*m {51 gf*cm} maximum 0.1 W (70 C) 0 W (125 C) 8 mN*m {78.4 gf*cm} minimum (B) Operating torque Stop strength Linear law Rotational life DC50 V Thrust to rotor DC50 V or power rating, whichever is smaller I = P/R A Within power ratings 245 3 C, 2 ~ 3 s 240 (1 turn) 5 N {0.51 kgf} 10 s Shear (Adhesion) 2 % 3 - 55 ~ 125 C 150 10-6/C Operating temp. range Temp. coefficient 1 % or 2 , whichever is greater 1000 M minimum (DC500 V) AC500 V, 60 s Insulation resistance Dielectric strength Net weight Substrate bending 2 % or 3 , whichever is greater 3 N {0.31 kgf} minimum Solderability 1 % 2 C.R.V. 50 cycles [R/R (2 + 5 %)] End resistance 270 (1 turn) Mechanical angle Pull-off strength 90 mm 3 mm 5 s, 1 Width 90 mm, bend 3 mm, 5 s, 1 time 5 N {0.51 kgf} 10 s { } Reference only Approx. 0.032 g 655 L E D ELECTRICAL CHARACTERISTICS Nominal resistance range ) LIST OF PART NUMBERS SURFACE MOUNT TRIMMERS ST-2 Thermal shock Humidity Shock Vibration Test conditions - 65 ~ 125 C (0.5 h), 5 cycles -10 ~ 65 C ( 80 ~ 98 %), 10 cycles, 240 h 981 m/s2, 6 ms 6 directions for 3 times each MAXIMUM INPUT RATINGS Specifications [R/R 2 %] [S.S. 2 %] [R/R 2 %] [R/R 2 %] [S.S. 1 %] (Amplitude) 1.52 mm or (Acceleration) 196 m/s2, 10 ~ 2000 Hz, 3 directions, 12 times each 70 C, 0.1 W 1000 h - 55 C, 2 h 125 C, 250 h Load life High temp. exposure 85 C, 60 s Immersion seal No leaks (No continuous bubbles) 255 C Reflow Peak temperature : 255 C (Please refer to the profile below) Soldering heat Maximum wiper current (mA) 100 200 500 101 201 501 3.16 4.47 7.07 31.6 22.4 14.1 1k 2k 5k 10 k 20 k 50 k 102 202 502 103 203 503 10.0 14.1 22.3 31.6 44.7 50.0 10.0 7.1 4.5 3.2 2.2 1.0 100 k 200 k 500 k 1M 104 204 504 105 50.0 50.0 50.0 50.0 0.5 0.25 0.1 0.05 Manual soldering 350 10 C, 3 ~ 4 s R/R S.S. Change in total resistance Setting stability RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS Reflow profile for soldering heat evaluation (C) 250 [R/R 1 %] Flow soldering 260 3 C, 5 ~ 6 s, two times maximum Peak : 250 +5 0 (Unit : mm) 1 C Over 230 C Temperature Low temp. operation [R/R 3 %] [S.S. 1 %] [R/R 2 %] [S.S. 2 %] [R/R 3 %] [S.S. 2 %] Nominal resistance Maximum input Resistance code values () voltage (V) 0.8 Test item 200 150 180 C 150 C Pre Heating Zone 90 30 s 100 50 0 1.8 ENVIRONMENTAL CHARACTERISTICS L E D 30 10 s Heating time Soldering Zone Reflow : two times maximum 0.65 0.6 0.65 0.8 SURFACE MOUNT TRIMMERS 0 Note) The zero point is the center of mounting. 656 ST-2 OUTLINE DIMENSIONS Unless otherwise specified, tolerance : 0.3 (Unit : mm) 1 Top adjustment 3 CW rotation 2 Note the terminal position. 2.8 ST-2/ST-32 3 1.7 ST-32 ST-2 Tip thickness 0.4 Tip 1.7 x 1.1 Tip thickness 0.35 Tip 1.4 x 1.4 130 1.90 POM Material : DURACON (POM) 1.20 ST-32 For ST-32 Manufacturer ENGINEER INC. Recommended screwdrivers for use Model DA-54 Note : Please do not use the tool for purposes other than adjustment of electronic components. 657 1.7 6 Recommended models 1 1.25 ST-2/ST-32 ADJUSTMENT TOOL 1 2 Compliant with two models (ST-2/ST-32) L E D Resistance code 2.4 t = 0.1 2 - 0.35 (1.9) 2 0.7 0.45 0.35 W x 1.5 L x 0.3 D 0.45 Production date code ST-2A SURFACE MOUNT TRIMMERS ST-2 For ST-2 ST-2 SURFACE MOUNT TRIMMERS PACKAGING SPECIFICATIONS <Taping packaging specifications> 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. Taping version is boxed with one reel (500 pcs.). 500 /1 500 500 1000 1500 ... 1 500 L E D 2 Maximum number of consecutive missing pieces=2 Leader length and reel dimension are shown in the diagrams below. EMBOSSED TAPE DIMENSIONS Filled REEL DIMENSIONS JIS C 0806-3 Conforms to JIS C 0806-3 EIAJ ET-7200A Empty Empty In accordance with EIAJ ET-7200A (Unit: mm) End 210.8 Head 40 mm min. 20.5 20 pitches min. Leader 130.2 400 mm min. Direction of feed 0 180 -1.5 15.41 2 0.05 2 1 3 0.3 0.1 Installation example (ST-2A) 12 +0.1 0 .5 1 4 0.1 1.75 0.1 ST-2TA 5.5 0.05 60 +10 13 +1 0 2.2 Direction of feed <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. 100 / 500 658