surface mount cermet trimmers (single turn) 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 features part name material flammability 1 2 3 4 5 6 7 8 9 wiper cover housing terminal pin base element o ring rotor electrode resistive element multi metal alloy stainless steel (sus 304) epoxy ul-94v-0 copper alloy, sn-cu-plated ceramic silicone rubber ul-94hb polyphenylenesulphide ul-94v-0 ag-pd cermet ruo 2 cermet internal structure part number designation t please refer to the list of part numbers when placing orders. s t - 4 e t a 2 0 0 ( 2 0 1 ) series name (minus slot) form of packaging t taping (reel) blank bulk in plastic bag terminal pin e sn-cu (lead-free) form of packaging t taping (reel) blank bulk in plastic bag terminal pin e sn-cu (lead-free) resistance code resistance value product shape (shape of terminal) a, g j-hook b, d, h gull wing c, f through hole pins s t - 4 2 e t a 2 0 0 ( 2 0 1 ) series name (cross slot) resistance code resistance value product shape (shape of terminal) a, g j-hook b, d, h gull wing c, f through hole pins st-4 1 6 8 4 3 9 5 7 2 rohs compliant w specifications are subject to chan g e without notice.
specifications are subject to change without notice. specifications in this catalog are for reference. the formal specification sheets will be submitted upon request. copal elec t r o nic s nominal resistance range st-4 surface mount trimmers not manufactured t the above part numbers are all available with the respective combination of (fig. 1). t verify the above part numbers when placing orders. t taping specification is not sold separately and must be purchased in reel units. t cross slot available : st-42e list of part numbers adjustment position top adjustment rear adjustment side adjustment pieces in package shape of terminal a ( j-hook ) b ( gull wing ) c ( through hole pins ) d ( gull wing ) f ( through hole pins ) g ( j-hook ) h ( gull wing ) form of packaging taping (reel) st-4/42eta st-4/42ea st-4/42etb st-4/42eb st-4/42ec a st-4/42etd a st-4/42ed a st-4/42ef st-4/42etg st-4/42eg st-4/42eth st-4/42eh plastic bag 500 pcs./reel 100 pcs./pack a 1wz ? ?
? ?x ! ?
\?qs??b{ the products indicated by a mark are manufactured upon receipt of order basis. t c slot : st-4e ? , b slot : st-42e ? a nominal resistance values ? a 10 a 20 50 100 200 500 1 k 2 k 5 k 10 k 20 k 50 k 100 k 200 k 500 k 1 m 2 m ? r/r change in total resistance s.s. setting stability electrical characteristics mechanical characteristics 10 ~ 2 m 20 % 0.25 w (70 c) 0 w (125 c) linear law (b) dc200 v or power rating, whichever is smaller 100 ma or power rating, whichever is smaller 210 (1 turn) 1 % or 2 , whichever is greater 1 % or 3 , whichever is greater ? 55 ~ 125 c 10 ~ 50 : 250 10 -6 /c maximum 100 ~ 2 m : 100 10 -6 /c maximum 1000 m minimum (dc500 v) ac500 v, 60 s approx. 0.12 g (st-4ea, eb, ec, ed, ef) approx. 0.22 g (st-4eg, eh) resistance tolerance power ratings resistance law maximum input voltage maximum wiper current effective electrical angle end resistance c.r.v. operating temp. range temp. coefficient insulation resistance dielectric strength net weight mechanical angle 240 (1 turn) 10 mnm {102 gfcm} maximum 30 mnm {306 gfcm} minimum 100 cycles [ ? r/r ? (2 + 3 %)] 5 n {0.51 kgf} minimum 245 3 c, 2 ~ 3 s 5 n {0.51 kgf} 10 s width 90 mm, bend 3 mm, 5 s, 1 time 5 n {0.51 kgf} 10 s operating torque stop strength rotational life thrust to rotor solderability shear (adhesion) substrate bending pull-off strength environmental characteristics test item test conditions specifications thermal shock ? 65 ~ 125 c (0.5 h), 5 cycles [ ? r/r ? 2 %] [s.s. ? 1 %] humidity ? 10 ~ 65 c (80 ~ 98 %), 10 cycles, 240 h [ ? r/r ? 2 %] shock 981 m/s 2 , 6 ms 6 directions for 3 times each [ ? r/r ? 1 %] [s.s. ? 1 %] vibration amplitude 1.52 mm or acceleration 196 m/s 2 , 10 ~ 2000 hz, 3 directions, 12 times each load life 70 c, 0.25 w 1000 h [ ? r/r ? 3 %] [s.s. ? 1 %] low temp. operation ? 55 c, 2 h [ ? r/r ? 2 %] [s.s. ? 2 %] high temp. exposure 125 c, 250 h [ ? r/r ? 3 %] [s.s. ? 2 %] immersion seal 85 c, 60 s no leaks (no continuous bubbles) soldering heat [ ? r/r ? 1 %] fig. 1 { } reference only reflow profile for soldering heat evaluation ? reflow : two times maximum peak : 250 over 230 c pre heating zone 180 c ( c) 250 200 150 100 50 150 c 90 30 s 30 10 s soldering zone heating time temperature c +5 0 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 soldering 350 10 c, 3 ~ 4 s
specifications are subject to change without notice. specifications in this catalog are for reference. the formal specification sheets will be submitted upon request. copal elec t r o nic s 2 2 2 2 1.6 1.6 2.35 0 2 2 4 2 1.6 1.6 2.35 0 2 5.6 1.6 1.6 2.35 0 1.5 1.5 2 2 1.6 1.6 2.35 0 2.5 0.3 0.8 2 2.8 1.6 1.6 2.35 0 3.3 0.3 0.8 maximum input ratings nominal resistance values ( ) resistance code maximum input voltage (v) maximum wiper current (ma) a 10 100 1.00 100 a 20 200 2.00 100 50 500 3.53 70.7 100 101 5.00 50.0 200 201 7.07 35.4 500 501 11.2 22.4 1 k 102 15.8 15.8 2 k 202 22.4 11.2 5 k 502 35.4 7.07 10 k 103 50.0 5.00 20 k 203 70.7 3.54 50 k 503 112 2.24 100 k 104 158 1.58 200 k 204 200 1.00 500 k 504 200 0.40 1 m 105 200 0.20 2 m 205 200 0.10 recommended p.c.b. pad outline dimensions (unit: mm) st-4ea st-4eg st-4eh st-4eb st-4ed note) the zero point is the center of mounting. the products indicated by a mark are manufactured upon receipt of order basis. st-4 surface mount trimmers
specifications are subject to change without notice. specifications in this catalog are for reference. the formal specification sheets will be submitted upon request. copal elec t r o nic s st-4 surface mount trimmers outline dimensions unless otherwise specified, tolerance : 0.3 (unit: mm) st-4ea top adjustment st-4eb top adjustment st-4ec top adjustment t note the terminal position. 2 0.6 w 2.3 l 0.5 d resistance code & production date code lead-free identification mark 5 4.5 2.3 u 1.2 2.35 2 C 0.8 5.2 0 C 0.5 3 3 1 5 4.5 2.3 6.2 0.35 min. 0.35 min. 1.2 2.35 2 C 0.8 2 resistance code & production date code u 3 1 0.6 w 2.3 l 0.5 d lead-free identification mark 5 4.5 4 1 3 C 0.6 2.54 5 2 resistance code & production date code u 3 1 2.3 0.6 w 2.3 l 0.5 d lead-free identification mark cw rotation 1 2 3 st-4eg side adjustment 5 3.1 5.7 + 0.4 0 4.5 2.35 2 C 0.8 1.2 1.45 (2.1) 0.95 2 resistance code & production date code u 3 1 0.6 w 2.3 l 0.5 d lead-free identification mark
specifications are subject to change without notice. specifications in this catalog are for reference. the formal specification sheets will be submitted upon request. copal elec t r o nic s st-4ef rear adjustment st-4eh side adjustment st-4ed rear adjustment t note the terminal position. ? semi-standard products ? ? semi-standard products ? 5 4.5 2.3 1.2 2.35 2 C 0.8 7.2 0.5 0.5 2.8 2 resistance code & production date code u 3 1 0.6 w 2.3 l 0.5 d lead-free identification mark 5 4.5 2.3 3 C 0.6 2.54 6.35 2.5 0.5 2 resistance code & production date code u 3 1 0.6 w 2.3 l 0.5 d lead-free identification mark st-42e cross slot dimension 0.6 w 2.3 l 0.5 d cross slot screwdriver 0 bit : 0.8 d 5 3.1 5.7 + 0.4 0 4.5 2.35 2 C 0.8 1.2 6.1 0.8 2 resistance code & production date code u 3 1 0.6 w 2.3 l 0.5 d lead-free identification mark cw rotation 1 2 3 st-4 surface mount trimmers outline dimensions unless otherwise specified, tolerance : 0.3 (unit: mm)
specifications are subject to change without notice. specifications in this catalog are for reference. the formal specification sheets will be submitted upon request. copal elec t r o nic s 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. 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. 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.). 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 in accordance with eiaj et-7200a (unit: mm) st-4eta/etb/etd st-4etg/eth empty filled empty 40 mm min. 20 pitches min. 400 mm min. direction of feed head end leader 180 (st-4eta/etb/etd) 254 2 (st-4etg/eth) 21 0.8 13 0.2 2 0.5 13 (eta/etb) 0 C1.5 +1 0 13.4 1 (etg/eth) 15.4 1 (eta/etb/etd) 17.4 1 (etg/eth) 60 (ta/tb) +1 0 50 min. (tg/th) 1.75 0.1 5.5 0.05 12 direction of feed 0.3 0.1 8 0.1 4 0.1 2 0.05 1.5 1.5 +0.1 0 2.7 (st-4eta/etb) 3.4 (st-4etd) installation example (st-4ea) lead-free identification mark 1.5 +0.1 0 2 0.1 4 0.1 8 0.1 0.3 0.1 1.75 0.1 5.5 0.1 12 6.4 installation example (st-4eg) direction of feed st-4 surface mount trimmers
|
