SURFCE MOUNT CERMET TRIMMERS RoHS compliant FETURES RoHS compliant Fine adjustment is available utomatic mounting is available (Taping) Reflow soldering is available Sealed construction (Washable) INTERNL STRUCTURE 7 8 9 Part name Housing Base element Electrode Resistive element dhesive Wiper Terminal pin Rotor gear Shaft 9 8 7 Material Flammability PPS UL-9V- Polyphenylenesulphide Ceramic g-pd cermet RuO cermet UL-9V- Epoxy Multi metal alloy Copper alloy, Sn-Cu-plated UL-9V- Polyamide Brass, Nickel-plated PRT NUMBER DESIGNTION S M - T W Ω ( ) Series name Electrical turn turns turns Form of packaging T Taping (Reel) Blank Bulk in plastic bag W, XTop adjustmet, BSide adjustmet Resistance code Resistance value Product shape (Shape of terminal) Please refer to the LIST OF PRT NUMBERS when placing orders. - Specifications are subject to change without notice.
LIST OF PRT NUMBERS Electrical turn djustment position Top adjustment Side adjustment Top adjustment Side adjustment Pieces in package Shape of terminal W J- (J-hook) X J- (J-hook) B W J- (J-hook) X J- (J-hook) B Form of packaging Taping (reel) SM-TW SM-TX SM-T SM-TB SM-TW SM-TX SM-T SM-TB T, TB : pcs./reel TW, TX : pcs./reel Plastic bag SM-W SM-X SM- SM-B SM-W SM-X SM- SM-B pcs./pack ELECTRICL CHRCTERISTICS Nominal resistance range Resistance tolerance Power ratings Resistance law Maximum input voltage Maximum wiper current Effective electrical turn End resistance C.R.V. Operating temp. range Temp. coefficient Insulation resistance Dielectric strength Net weight Reflow profile for soldering heat evaluation Temperature ( C) 8 C C + Peak : C Over C Pre Heating Zone 9 ± s Heating time ± s Ω ~ MΩ ± %. W (8 C) W ( C) Linear law DC V or power rating, whichever is smaller m m or power rating, whichever is smaller turns (SM-), turns (SM-) Ω % or Ω, whichever is greater Ω % or Ω, whichever is greater ~ C ± - / C maximum MΩ minimum (DC V) C V, s pprox..7 g Soldering Zone Nominal resistance values Ω Ω Ω Ω Ω Ω kω kω kω kω kω kω kω kω kω MΩ MΩ Fig. The products indicated by mark are manufactured upon receipt of order basis. Fig. The above part numbers are all available with the respective combination of <Nominal resistance values> (Fig. ). Verify the above part numbers when placing orders. Taping specification is not sold separately and must be purchased in reel units. MECHNICL CHRCTERISTICS Operating torque Mechanical stop Rotational life Thrust to shaft Solderability Shear (dhesion) Substrate bending Pull-off strength ENVIRONMENTL CHRCTERISTICS Test item Thermal shock Humidity Shock Vibration Load life Low temp. operation High temp. exposure Immersion seal Soldering heat 7. mn m {8 gf cm} maximum Clutch action cycles [R/R ± ( Ω+ %)] N {. kgf} minimum ± C, ~ s N {. kgf} s Width 9 mm, bend mm, s, time N {. kgf} s Test conditions ~ C (. h), cycles ~ C (8 ~ 98 %), cycles, h 98 m/s, ms directions for times each (mplitude). mm or (cceleration) 9 m/s, ~ Hz, directions, times each 8 C,. W, h C, h C, h 8 C, s C Reflow : Peak temperature C (Please refer to the profile below.) Manual soldering ± C, ~ s R/R S.S. { }Reference only Specifications [R/R %] [S.S. %] [R/R %] [R/R %] [S.S. %] [R/R % or Ω] [S.S. %] [R/R %] [S.S. %] [R/R %] [S.S. %] No leaks (No continuous bubbles) [R/R %] Change in total resistance Setting stability Reflow : two times maximum - Specifications are subject to change without notice.
MXIMUM INPUT RTINGS Nominal resistance values (Ω) Resistance code Maximum input voltage (V) Maximum wiper current (m)... 7.7.. 7.7... k.8.8 k.. k. 7.7 k.. k 7.7. k. k 8.8 k. k. M. M. The products indicated by mark are manufactured upon receipt of order basis. RECOMMENDED P.C.B. PD OUTLINE DIMENSIONS B W X (Unit: mm)...9...9..........9. Note) The zero point is the center of mounting. - Specifications are subject to change without notice.
OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ±. (Unit : mm) W..8 X..9... φ., Slot.W.D.7....8.9 CW rotation Note the terminal position...8...8 φ., Slot.W.D.. Resistance code & Produ ction d ate code.7.8....8.9. φ., Slot.W.D. B.9.....8.9.8 φ., Slot.W.D. - Specifications are subject to change without notice.
EMBOSSED TPE DIMENSIONS End Empty Filled Empty mm min. pitches min. Leader Direction of feed mm min. Head PCKGING SPECIFICTIONS <Taping packaging specifications> Taping version (T, TB) is packaged in pcs. per reel. Orders will be accepted for units of pcs., i.e.,,, pcs., etc. TW, TX is packaged in pcs. per reel. Orders will be accepted for units of pcs., i.e.,, 7 pcs., etc. Maximum number of consecutive missing pieces = Leader length and reel dimension are shown in the diagrams below. REEL DIMENSIONS JIS C 8-Conforms to JIS C 8- T/TBEIJ ET-7 T/TB type : In accordance with EIJ ET-7 (Unit: mm) + (T/TB) 7±. (TW, TX) ±.8 ±. ±. + TW/TX 8. (T/TB).± (T/TB) 8 (TW, TX) 9.± (TW/TX) T/TB +. φ. ±. ±..7 ±. 7. ±. +... ±. (SM-W) Installation example (SM-W) φ. +. ±. ±.. ±..7 ±.. ±. (SM-) Installation example (SM-) ±..7 Cross section - 8 ±.. Cross section - <Bulk pack specifications> Unit of bulk in a plastic bag is pcs. per pack. Boxing of bulk in a plastic bag is performed with pcs. per box. - Specifications are subject to change without notice.