ST-4ETA203

SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) RoHS compliant ST-4 INTERNAL STRUCTURE 2 1 7 6 5 3 4 9 Part name ■ FEATURES ORoHS compliant OWide variety (7 types) to choose from OAutomatic mounting is possible (Taping) OFlow/reflow soldering is possible OSealed construction (Washable: Refer to page 698.) OStopper structure prevents terminal pin from being open. OCross slot rotor suitable for automatic adjustment 䖃 Resin materials are UL Recognized 94V-0 or 94V-1 equivalent 8 Material 1 Wiper Multi metal alloy 2 Cover Stainless steel (SUS 304) 3 Housing 4 Terminal pin 5 Base element 6 “O” ring 7 Rotor 8 Electrode Ag-Pd cermet 9 Resistive element RuO2 cermet Epoxy Copper alloy, Sn-Cu-plated Ceramic Silicone rubber Polyphenylenesulphide ■ PART NUMBER DESIGNATION S T - 4 E T A 2 0 0 Ω ( 2 0 1 ) Series name (minus slot) Resistance code Terminal pin Resistance value E：Sn-Cu (Lead-free) Product shape (Shape of terminal) Form of packaging T：Taping (Reel) Blank：Bulk in plastic bag A, G：J-hook B, D, H：Gull wing C, F：Through hole pins S T - 4 2 E T A 2 0 0 Ω ( 2 0 1 ) Series name (cross slot) Resistance code Terminal pin Resistance value E：Sn-Cu (Lead-free) Product shape (Shape of terminal) Form of packaging T：Taping (Reel) Blank：Bulk in plastic bag ※ Please refer to the LIST OF PART NUMBERS when placing orders. A, G：J-hook B, D, H：Gull wing C, F：Through hole pins ST-4 SURFACE MOUNT TRIMMERS ■ LIST OF PART NUMBERS Form of packaging Adjustment Shape of terminal position A ( J-hook ) 〈Nominal resistance values〉 Taping (reel) Plastic bag ST-4/42ETA ST-4/42EA Top B ( Gull wing ) ST-4/42ETB adjustment C ( Through hole pins ) D ( Gull wing ) Rear adjustment F ( Through hole pins ) G ( J-hook ) Side adjustment H ( Gull wing Pieces in package A ST-4/42ETD ST-4/42EB ST-4/42EC A ST-4/42ED ST-4/42ETG ST-4/42EG ST-4/42EH 500 pcs./reel Fig. 1 　：Not manufactured ※ The above part numbers are all available with the respective combination of (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 □ 100 pcs./pack The products indicated by A mark are manufactured upon receipt of order basis. ※ C slot : ST-4E □ , B slot : ST-42E □ ■ MECHANICAL CHARACTERISTICS Mechanical angle 240° (1 turn) Operating torque 10 mN·m {102 gf·cm} maximum Stop strength 30 mN·m {306 gf·cm} minimum 10 Ω ~ 2 M Ω Rotational life 100 cycles [ Δ R/R ≦ ± (2 Ω +3 %)] ± 20 % Thrust to rotor 5 N {0.51 kgf} minimum ■ ELECTRICAL CHARACTERISTICS Nominal resistance range 10 k Ω 20 k Ω 50 k Ω 100 k Ω 200 k Ω 500 k Ω 1 M Ω 2 M Ω A ST-4/42EF ) ST-4/42ETH A10 Ω A20 Ω 50 Ω 100 Ω 200 Ω 500 Ω 1 k Ω 2 k Ω 5 k Ω 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 0.25 W (70 °C) 0 W (125 °C) Power ratings Resistance law Effective electrical angle 1 % or 2 Ω , whichever is greater C.R.V. 1 % or 3 Ω , whichever is greater − 55 ~ 125 °C Operating temp. range Insulation resistance 10 Ω ~ 50 Ω : ± 250 10-6/°C maximum 100 Ω ~ 2 M Ω : ± 100 10-6/°C maximum 1000 M Ω minimum (DC500 V) Approx. 0.12 g (ST-4EA, EB, EC, ED, EF) Approx. 0.22 g (ST-4EG, EH) 〈Reflow profile for soldering heat evaluation〉 Temperature (℃) 250 200 150 100 50 Peak : 250 +5 0 ℃ Over 230 ℃ 180 ℃ 150 ℃ ■ ENVIRONMENTAL CHARACTERISTICS Test item Test conditions Specifications Thermal shock − 65 ~ 125 °C (0.5 h), 5 cycles [ Δ R/R ≦ 2 %] [S.S. ≦ 1 %] Humidity [ Δ R/R ≦ 2 %] Shock AC500 V, 60 s Dielectric strength Net weight { }：Reference only 210° (1 turn) End resistance Temp. coefficient 5 N {0.51 kgf} 10 s − 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 Low temp. operation − 55 °C, 2 h High temp. exposure 125 °C, 250 h Immersion seal 85 °C, 60 s Soldering heat Flow : 260 ± 3 °C as the temperature in a pot of molten solder, immer­sion from head of ter­m inal to backside of board, 5 ~ 6 s, two times maximum Reflow : Peak temperature 255 °C (Please refer to the profile below.) Manual soldering：350 ± 10 °C, 3 ~ 4 s [ Δ R/R ≦ 1 %] [S.S. ≦ 1 %] [ Δ R/R ≦ 3 %] [S.S. ≦ 1 %] [ Δ R/R ≦ 2 %] [S.S. ≦ 2 %] [ Δ R/R ≦ 3 %] [S.S. ≦ 2 %] No leaks (No continuous bubbles) Pre Heating Zone 90 ± 30 s 30 ± 10 s Heating time Soldering Zone Reflow : two times maximum [ Δ R/R ≦ 1 %] Δ R/R：Change in total resistance S.S. ：Setting stability ST-4 SURFACE MOUNT TRIMMERS ■ MAXIMUM INPUT RATINGS Nominal resistance values ( Ω ) Resistance code Maximum input voltage (V) Maximum wiper current (mA) A 10 A 20 50 100 200 500 100 1.00 100 200 2.00 100 500 3.53 70.7 101 5.00 50.0 201 7.07 35.4 501 11.2 22.4 1 k 2 k 5 k 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 1 M 2 M 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 2 2 2 (Unit: mm) ● ST-4ED 5.6 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 2.35 3.3 2.5 1.6 0.3 0 0.3 1.6 1.6 1.6 1.5 2 2 0 1.6 1.6 2.35 Note) The zero point is the center of mounting. ST-4 SURFACE MOUNT TRIMMERS ST-4A 外形図 ■ OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.3 (Unit: mm) 1 ● ST-4EA Top adjustment 2 ※ Note the terminal position. 0.6 W × 2.3 L × 0.5 D 2 Resistance code & Production date code 1.2 Lead-free Identification mark 3 5.2 – 00.5 4.5 4B 外形図 t = 0.15 3 3 CW rotation 1 5 2 – 0.8 2.35 2.3 0.35 min. ● ST-4EB Top adjustment 0.6 W × 2.3 L × 0.5 D 4.5 Lead-free Identification mark 3 5 1 t = 0.15 2.3 ● ST-4EC Top adjustment 2 – 0.8 2.35 0.6 W × 2.3 L × 0.5 D 2 3 – 0.6 5 4.5 Resistance code & Production date code Lead-free Identification mark G 外形図 3 0.35 min. T-4C 外形図 1.2 6.2 Resistance code & Production date code 2 5 1 2.3 2.54 41 t = 0.15 ● ST-4EG Side adjustment 5 Resistance code & Production date code 4.5 3 1.45 0.6 W × 2.3 L × 0.5 D 2 – 0.8 2.35 (2.1) Lead-free Identification mark t = 0.15 0.95 0 5.7 + 0.4 3.1 1 2 1.2 ST-4 SURFACE MOUNT TRIMMERS ST-4H 外形図 ■ OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.3 (Unit: mm) 1 ● ST-4EH Side adjustment 2 ※ Note the terminal position. 0.6 W × 2.3 L × 0.5 D 5 ST-4D 外形図 Resistance code & Production date code 2 – 0.8 4.5 2.35 1 0 5.7+ 0.4 3.1 3 Lead-free Identification mark 2 0.8 6.1 ● ST-4ED Rear adjustment 1.2 t = 0.15 ＜ Semi-standard products ＞ 0.6 W × 2.3 L × 0.5 D 1.2 Resistance code & Production date code 2 4.5 0.5 F 外形図 3 CW rotation 0.5 7.2 Lead-free Identification mark 3 5 1 2 – 0.8 2.3 2.8 ● ST-4EF Rear adjustment t = 0.15 ＜ Semi-standard products ＞ 0.6 W × 2.3 L × 0.5 D 2 3 – 0.6 6.35 Resistance code & Production date code 4.5 3 2.35 Lead-free Identification mark 5 1 2.50.5 ● ST-42E B CROSS SLOT DIMENSION 0.6 W × 2.3 L × 0.5 D Cross slot screwdriver 0 bit : 0.8 D 2.3 t = 0.15 2.54 ST-4 SURFACE MOUNT TRIMMERS ■ PACKAGING SPECIFICATIONS Maximum number of consecutive missing pieces = 2 Leader length and reel dimension are shown in the diagrams below. ● 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.). ● EMBOSSED TAPE DIMENSIONS ● REEL DIMENSIONS （Conforms to JIS C 0806-3） （In accordance with EIAJ ET-7200A） Empty Filled (Unit: mm) Empty +1 0 Head 40 mm min. 21±0.8 20 pitches min. 60 0 (TA/TB) 50 min.(TG/TH) End 13 (ETA/ETB) 13.4±1 (ETG/ETH) 2±0.5 Direction of feed +1 Leader 400 mm min. 13±0.2 15.4±1 (ETA/ETB/ETD) 17.4±1 (ETG/ETH) 0 180 –1.5 (ST-4ETA/ETB/ETD) 254 ± 2 (ST-4ETG/ETH) ● ST-4ETA/ETB/ETD ● ST-4ETG/ETH 4 ± 0.1 φ 1.5 0.3 ± 0.1 4 ± 0.1 0 0 .1 12 5.5 ± 0.1 Installation example (ST-4EA) 5.5 ± 0.05 2 ± 0.1 φ 1.5 + 0.3 ± 0.1 12 2 ± 0.05 8 ± 0.1 1.75 ± 0.1 8 ± 0.1 1.75 ± 0.1 +0.1 0 φ 1.5 Lead-free Identification mark Direction of feed 2.7 (ST-4ETA/ETB) 3.4 (ST-4ETD) ● 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. Direction of feed 6.4 Installation example (ST-4EG)