www.vishay.com for technical questions contact: copalsupport@vishay.com document number: 58010 1 revision: 06-mar-06 st-4 vishay surface mount cermet trimmers (single turn) features ? lead (pb)-free sold ering, cadmium-free ? wide variety (7 types) to choose from ? automatic mounting is possible (taping) ? flow/reflow soldering is possible ? sealed construction (washable) ? stopper structure prevents terminal pin from being open ? cross slot totor suitable for automatic adjustment ? rohs compliant 2 2 2 2 1.6 1.6 2.35 0 2 2 4 2 1.6 1.6 2.35 0 2 6 . 5 1.6 1.6 2.35 0 5 . 1 5 . 1 (unit: mm) st-4a, 4ea st-4g, 4eg st-4h, 4eh st-4b, 4eb st-4d, 4ed 2 2 1.6 1.6 2.35 0 5 . 2 8 . 0 3 . 0 2 8 . 2 1.6 1.6 2.35 0 3 . 3 8 . 0 3 . 0 n ote) the zero point is the center of mo u nting. dimensions in millimeters specifications are s ubject to change without notice. specific ations in this catalog are for re ference. the formal specification sheets will b e submitted upon request. recommended p.c.b. pad outline dimensions
document number: 58010 for technical questions contact: copalsupport@vishay.com www.vishay.com revision: 06-mar-06 2 st-4 surface mount cermet trimmers (single turn) vishay unless other w ise specified, tolerance: 0.3 (unit: mm) st-4a, 4ea top adj u stment st-4b, 4eb top adj u stment st-4c, 4ec top adj u stment *: n ote the terminal position. 2 0.6 w 2.3 l 0.5 d resistance code & prod u ction date code lead (p b )-free identification mark 5 5 . 4 2.3 t = 0.15 1.2 2.35 2 - 0. 8 2 . 5 0 5 . 0 ? 3 3 1 5 5 . 4 2.3 2 . 6 . n i m 5 3 . 0. n i m 5 3 . 0 1.2 2.35 2 - 0. 8 2 resistance code & prod u ction date code t = 0.15 3 1 0.6 w 2.3 l 0.5 d 5 5 . 4 4 1 3 - 0.6 2.54 5 2 resistance code & prod u ction date code t = 0.15 3 1 2.3 0.6 w 2.3 l 0.5 d lead (p b )-free identification mark c w rotation 1 2 3 st-4g, 4eg side adj u stment 5 1 . 3 7 . 5 4 . 0 + 0 4.5 2.35 2 - 0. 8 1.2 5 4 . 1 ) 1 . 2 ( 5 9 . 0 2 resistance code & prod u ction date code t = 0.15 3 1 0.6 w 2.3 l 0.5 d lead-free identification mark lead (p b )-free identification mark dimensions in millimeters outline dimensions specifications are subject to c hange without notice. specifications in this catalo g are for reference. the formal specification sheets will be submitted upon request.
www.vishay.com for technical questions contact: copalsupport@vishay.com document number: 58010 3 revision: 06-mar-06 st-4 vishay surface mount cermet trimmers (single turn) st-4f, 4ef rear adj u stment st-4h, 4eh side adj u stment st-4d, 4ed rear adj u stment *: n ote the terminal position. 5 5 . 4 2.3 1.2 2.35 2 - 0. 8 2 . 7 5 . 0 5 . 0 2. 8 2 resistance code & prod u ction date code t = 0.15 3 1 0.6 w 2.3 l 0.5 d 5 5 . 4 2.3 3 - 0.6 2.54 5 3 . 6 2.5 0.5 2 resistance code & prod u ction date code t = 0.15 3 1 0.6 w 2.3 l 0.5 d st-42, 42e cross slot dime n sio n 0.6 w 2.3 l 0.5 d cross slot scre w dri v er 0 b it: 0. 8 d 5 1 . 3 7 . 5 4 . 0 + 0 4.5 2.35 2 - 0. 8 1.2 6.1 0. 8 2 resistance code & prod u ction date code t = 0.15 3 1 0.6 w 2.3 l 0.5 d lead (p b )-free identification mark c w rotation 1 2 3 unless other w ise specified, tolerance: 0.3 (unit: mm) lead (p b )-free identification mark lead (p b )-free identification mark outline dimensions dimensions in millimeters specifications are subject to change without notice. specifications in this catalog ar e for reference. the formal specification sheets will be submitted upon request.
document number: 58010 for technical questions contact: copalsupport@vishay.com www.vishay.com revision: 06-mar-06 4 st-4 surface mount cermet trimmers (single turn) vishay v inyl b ag packaging specifications unit of bu lk in v inyl b ag packaging is 100 pcs. per pack. boxing of bu lk in v inyl b ags is performed w ith 500 pcs. per b ox. taping packaging specifications taping v ersion is packaged in 500 pcs. per reel. orders w ill b e accepted for u nits of 500 pcs., i.e., 500, 1000, 1500 pcs., etc. st-4ta, tb, td, eta, etb and etd v ersions are b oxed w ith 4 reels (2000 pcs.). st-4tg, th, etg and eth v ersions are b oxed w ith one reel (500 pcs.). maxim u m n u m b er of consec u ti v e missing pieces = 2 leader length and reel dimension are sho w n in the dia-grams b elo w . embossed tape dime n sio n s reel dime n sio n s (conforms to jis c 0 8 06-3) (in accordance w ith eiaj et-7200a) (unit: mm) st-4ta/tb/td/eta/etb/etd st-4tg/th/etg/eth empty filled empty 40 mm min. 20 pitches min. direction of feed head end leader 400 mm min. 1 8 0 (st-4ta/tb/td/eta/etb/etd) 254 2 (st-4tg/th/etg/eth) ? 21 0. 8 2 0.5 13 (ta/tb/eta/etb) 0 -1.5 +1 0 13.4 1 (tg/th/etg/eth) 15.4 1 (ta/tb/td/eta/etb/etd) 17.4 1 (tg/th/etg/eth) ) b t / a t ( 0 6 1 + 0 0 8 1) h t / g t ( 5 7 . 1 0.1 5 . 5 5 0 . 0 2 1 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-4ta/tb/eta/etb) 3.4 (st-4td/etd) installation example (st-4a/ea) lead (p b )-free identification mark 1 . 2 0.1 4 0.1 8 0.1 0.3 0.1 5 7 . 1 0.1 5 . 5 2 1 6.4 installation example (st-4g/eg) direction of feed ? 13 0.2 ? ? 5 . 1 0 + 0 ? 0.1 ? ? packaging specifications
www.vishay.com for technical questions contact: copalsupport@vishay.com document number: 58010 5 revision: 06-mar-06 st-4 vishay surface mount cermet trimmers (single turn) mechanical sp ecifications mechanical angle 240 (1 turn) operating torque 10 mn m {102 gf cm} maximum stop strength 30 mn m {306 gf cm} minimum rotational life 100 cycles [ r/r ( 2 + 3 %] thrust to rotor 5 n {0.51 kgf} minimum solderability sn-pb: 235 c, 2 s sn-cu (lead (pb)-free): 245 3 c, 2 3 s shear (adhesion) 5 n {0.51 kgf} 10 s substrate bending width 90 mm, bend 3 mm, 5 s, 1 time pull-off strength 5 n {0.51 kgf} 10 s electrical specifications nominal resistance range 10 2 m resistance tolerance 20 % power ratings 0.25 w (70 c) 0 w (125 c) resistance law linear law (b) maximum input voltage dc200 v or power rating, whichever is smaller maximum wiper current 100 ma or power rating, whichever is smaller effective electrical turn 210 (1 turn) end resistance 1 % or 2 , whichever is greater c.r.v. 1 % or 3 , whichever is greater operating temp. range - 55 125 c temp. coefficient 10 50 : 250 10 -6 / c maximum 100 2m : 100 10 -6 / c maximum insulation resistance 1000 m minimum (dc500 v) dielectric strength ac500 v, 60 s net weight approx. 0.12 g (st-4a, b, c, d, f, ea, eb, ec, ed, ef) approx. 0.22 g (st-4g, h, eg, eh) environmental specifications 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 (relative humidity 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 temperature operation - 55 c, 2 h [ r/r 2 %] [s.s. 2 %] high temperature exposure 125 c, 250 h [ r/r 3 %] [s.s. 2 %] immersion seal 85 c, 60 s no leaks (no continuous bubbles) soldering heat sn-pb 260 c, 10 s or 215 c, 35 s [ r/r 1 %] sn-cu flow: 260 c 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 reflo w : t w o times maxim u m peak : 250 o v er 230 c pre heating zone 1 8 0c (c) 250 200 150 100 50 150c 90 30 s 30 10 s soldering zone heating time t e r u t a r e p m e c +5 0 reflow profile for soldering heat evolution
document number: 58010 for technical questions contact: copalsupport@vishay.com www.vishay.com revision: 06-mar-06 6 st-4 surface mount cermet trimmers (single turn) vishay the products indicated by * mark are manufactured upon receipt oforer basis cfc?s, halon, carbon tetrachl oride and designated bromic flame retardant pbbos and pbbs are not used in our products. the products indicated by * mark are ma nufactured upon receipt of order basis. * slot: st-4 slot:-42 maximum input ratings nominal resistance values ( ) resistance code maximum input voltage (v) maximum wiper current (ma) 10* 100 1.00 100 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 construction part name material flammability 1 wiper multi metal alloy - 2cover stainless steel (sus 304) 3 housing epoxy ul-94v-o 4 terminal pin sn-pb copper alloy, solder-plated - sn-cu copper alloy, sn-cu-plated 5 base element ceramic 6 ?o? ring silicone rubber ul-94hb 7 rotor polyphenylenesulphide ul-94v-o 8 electrode ag-pd cermet - 9 resistive element ruo2 cermet 1 6 8 4 3 9 5 7 2 list of part numbers form of packing taping (reel) magazine (stick) adjustment position shape of terminal sn-pb sn (lead (pb)-free) sn-pb sn (lead (pb)-free) top adjustment a (j-hook) st-4/42ta st-4/42eta st-4/42a st-4/42ea b (gull wing) st-4/42tb st-4/42etb st-4/42b st-4/42eb c (through hole pins) - - st-4/42c st-4/42ec rear adjustment d (gull-wing) st-4/42td* st-4/42etd* st-4/42d* st-4/42ed* f (through hole pins) - - st-4/42f* st-4/42ef* side adjustment g (j-hook) st-54/42tg st-4/42etg st-4/42g st-4/42eg h (gull-wing) st-4/42th st-4/42eth st-4/42h st-4/42eh pieces in package 500 pcs./reel 100 pcs./reel
document number: 58010 for technical questions contact: copalsupport@vishay.com www.vishay.com revision: 06-mar-06 7 st-4 surface mount cermet trimmers (single turn) vishay not manufactured * the above part numbers are all available with the respec tive combination of (fig.1) * verify the above part numbers when placing orders. * taping specification is not sold seperat ely and must be purchased in reel units. fig.1: nominal resistance values 10 ? 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 - this product is manufactured by copal electronics co. ltd. of toky o, japan and is distributed by vishay in north and south amer ica only. this product is not available from vish ay outside of north or south america. ordering information st-4 t a 204 series name (minus slot) te m i n a l p i n form of packaging product shape (shape of terminal) resistance code blank: sn-pb t: taping (reel) a, g: j-hook e: sn (lead(pb)-free) blank: bulk in vinyl bags b, d, h: gull wing c; f: through hole pins ordering information st-4 2 t a 204 series name (cross slot) te m i n a l pin form of packaging product shape (shape of terminal) resistance code blank: sn-pb t: taping (reel) a, g: j-hook e: sn (lead-free) blank: bulk in vinyl bags b, d, h: gull wing c; f: through hole pins
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
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