3140 ETC1
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Technical content
INDUCTORS, SMDs SWITCHES, NETWORKS | ENCODERS POWER COMPONENTS . Economy Trimmers TYPE 3140 SERIES lth & & ®e $ @ < A range of tiny single turn trimmers suited to reflow soldering aad atractvely priced for vohune appbeabon. Alternative layouts in two and three terminal versions and low profile models (2.2mm) make this a very versatile product All product is supplied on 12mm tape and recled on 178 mm diameter reels. ee MEC CITEC KEY FEATURES ee eee @ STABLE CERMET ELEMENT ie @ 0.15 W POWER RATING ee ® PACKED IN 12mm STANDARD TAPE eee @ ATTRACTIVELY PRICED ® SUITED TO AUTOMATIC PLACEMENT ——— @ RANGE OP TERMINAL LAYOUTS @ TEMP RANGE -25°C TO +85°C eee @ GOOD VACUUM PICK UP ON HEAD a I MEcGITT PI-HER ELECTRONICS
a ELECTRICAL Resistance Range: 100R to 1M Resistance Tolerance: + 25% Power Rating: 0.1S%W @ 70°C derating to zero at 85°C Max. Input Voltage: 50 vde or ac RMS max Max. Wiper Current: 50mA Electrical Angle, Nominal: 270° + 10° End Resistance, Max: s& Contace Resistance Variation: 5% max Operating Temperature: -25°C to + 85°C Temp. Coefficient, of Resistance: + 250 ppm. Insulation Resistance, Min: 100 M 2 (DC 250) oof DERATING CURVE ‘SF 100 el Fa b When the ambient temperature exceeds 70°C, reduce H the rated power and current in accordance with the derating curve given. 70°C asec amb. Temperature °C ed MECHANICAL Mechanical Angle: Continuous Operating Torque, Max: 2.0-24.5 mNm Solder Strength Min: 300 gF cm (3 directions) Cl ENVIRONMENTAL Humidity Exposure: Res. Change : + 3% High Temperature Exposure: Res. Change : + 3% Humidity Load Life: Res. Change : + 3% Load Life: Res. Change : + 3% ‘Temperature Cycle: Res. Change : + 3% Effect of Soldering: Res. Change : + 10% (10 cycle) Ss ALTERNATIVE STYLES ae Fa + YEN 5) opr : 3140 Fea. aa YONG wale Oat A ard H bei si is 19 * 4
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Ce mmmmanne | SOLDERING If soldering is repeated, please mote that the allowance time is the accumulated time, CONDITIONS Solder : Corcrystalized solder Fux =: Rosin Flux Cel REFLOW SOLDERING- NO PREHEAT nm c 10 » » Tame (See) Ss REFLOW SOLDERING Goad RECOMMENDED ) | eeees SONU oe ee oo A i) rd Oe ae a eS Ee One minate min | 20 sec. max ET SOLDERING The following conditions must be strictly obeyed when using a soldering iron. WITH IRON Soldering Iron =: 20W maximam Tip temperature 280°C maximum Soldering time; 5 seconds maximum CE emma CLEANING After soldering. use cleaning solvents such as chlorosen or dyefreon. TS CAUTION ON seeing conditions snot be waictty obeyed when using a soldering iron for rework: Trip temperature : 280°C maximum (To be used only ance) Soldering time : 3 seconds maximum Be careful not to cause excessive force to be applied to the potentiometer after mounting. Reduce effects of solder temperature and time a1 much as possible by giving maximum allowable pre-heating. Ce Ul STORAGE To prevent damage to the electrode, be sure to observe the following cautions for storage. © Store in 40°C maximum ambient temperature, and 70°C maximum ambient RH. * For maximum possible shelf life do not disturb polythepe sleeve until you are ready to use potentiometers. * Store where there are no harmful gasses containing sulphur or chlorine. mn All inquires should be directed to: Piher International Corp. 903 Feehanville Drive. AM Denenant I CANS