3318k 2.50 (.098) 2 3 1 4.65 (.183) 3.20 (.126) 0.75 (.030) 1.85 (.073) 0.40 (.016) 3.80 (.150) 4.50 (.177) 8.00 (.315) mounting surface front view rear view front view rear view 2.00 0.10 (.079 .004) adjusting direction suggested pwb layout 2.50 (.098) 1.00 + 0.10 (.039 + .004) 6.40 (.252) 2.50 (.098) 0.80 0.10 (.031 .004) 0.80 0.10 (.031 .004) 1.20 (.047) 1.70 (.067) 0.75 (.030) 0.60 (.024) 5.00 (.197) dia. 3 places dia. dia. 6.40 (.252) 1 3 2 3.50 (.138) 1.20 (.047) 3.20 (.126) 3.50 0.50 (.138 .020) mounting surface 6.35 (.250) 1.70 (.067) 0.75 (.030) 0.30 (.012) 3318f 0.80 0.10 (.031 .004) 0.60 (.024) 4.65 (.183) 2.00 0.10 (.079 .004) suggested pwb layout 1.00 + 0.10 (.039 .004) 5.00 (.197) 5.00 (.197) 3.20 (.126) 0.75 (.030) dia. dia. 2.00 + 0.10 (.079 .004) dia. dia. 0.80 0.10 (.031 .004) features single-turn / carbon / commercial open frame cross slot rotor design suitable for automatic adjustment equipment board retention feature enclosed cover pc board stand-offs adjustable front/back, top/bottom rohs compliant* for trimmer applications/processing guidelines, click here 3318 - 6 mm square trimpot trimming potentiometer *rohs directive 2002/95/ec jan 27 2003 including annex. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. electrical characteristics standard resistance range ............................... 100 to 1 megohm (see standard resistance table) resistance tolerance .................. ?0 % (tighter tolerances available) contact resistance variation ...10 % max. resolution ................................... in nite adjustment angle .................210 ??0 environmental characteristics power rating 100-500k ohms ...........................50 v >500k ohms .................................25 v 50 ? ...................................... 0.1 watt temperature range ... -25 ? to +100 ? temperature coef cient ... ?000 ppm/? load life .. 1,000 hours 0.1 watt @ 70 ? (20 % tr) physical characteristics torque (operating) ............. 20-250 g-cm stop strength knob side ........................... 750 g-cm reverse side ...................... 350 g-cm terminals .......................solderable pins marking ......resistance code, date code standard packaging ....500 pcs. per bag adjustment tool ..............................h-90 aqueous cleaning not recommended. product dimensions 1 3 cw clockwise ccw 2 wiper how to order 3318 k - 1 - 103 __ model style standard or modi ed product code -1 = 30 % tr tolerance (standard) -2 = 20 % tr tolerance resistance code packaging options blank = 500 pcs./bag (standard) a = ammo pack - 1000 pcs./box tolerances: 0.25 except where noted (.010) dimensions: mm (inches) standard resistance table resistance resistance (ohms) code 100 101 200 201 500 501 1,000 102 2,000 202 5,000 502 10,000 103 20,000 203 50,000 503 100,000 104 200,000 204 500,000 504 1,000,000 105 popular values listed in boldface. others are typically not stocked by distributors and are not recommended for new designs. model 3318 is obsolete. models 3306f & 3306k are preferred. *rohs compliant obsolete
3318 - 6 mm square trimpot trimming potentiometer packaging speci cations 1.3 +.10/-0 (.051 +.004/-0) dia. 1.0 +.10/-0 (.040 +.004/-0) dia. 2 plcs. 2.5 .05 (.099 .002) 5.0 .05 (.197 .002) 5.0 0.8 (.197 .003) 3.85 .07 (.152 .003) 6.35 1.3 (.250 .051) 12.7 0.3 (.500 .012) 6.4 (.252) 12.7 1.0 (.500 .039) 1 3 2 4.0 0.3 (.157 .012) dia. adhesive tape 20.0 0.5 (.787 .020) mounting surface 6.0 0.5 (.236 .020) 9.0 0.5 (.354 .020) 18.0 +1.0/-0.5 (.709 +040/-.020) 0.8 0.1 (.031 .004) 0.8 0.1 (.031 .004) 0.5 +0.1/-0 (.020 +.004/-0) 2.2 (.087) 4.5 (.833) 2.5 .35 (.098 .014) 8.0 (.315) 6.8 (.268) 2.05 (.081) ammo pack model 3318k recommended pcb layout 0.8 0.1 (.031 .004) 0.85 (.033) 2 plcs. 3.0 0.3 (.118 .012) 1.3 +.10/-0 (.051 +.004/-0) 2.5 (.098) dia. 1.0 +.10/-0 (.040 +.004/-0) dia. 2 plcs. 5.0 .05 (.197 .002) 3.0 0.5 (.118 .020) 1 2 3 adhesive tape 12.7 1.0 (.500 .039) 3.0 0.5 (.118 .020) ammo pack model 3318f recommended pcb layout 3.2 (.126) 6.4 (.252) 3.5 (.138) 0.8 0.1 (.031 .004) 3.2 (.126) dia. 6.35 0.3 (.250 .012) 11.0 (.433) mounting surface 20.0 0.5 (.787 .020) 0.5 (.020) 1.7 (.067) 5.0 0.8 (.197 .003) 3.85 .07 (.152 .003) 6.35 1.3 (.250 .051) 12.7 0.3 (.500 .012) 4.0 0.3 (.157 .012) dia. 6.0 0.5 (.236 .020) 9.0 0.5 (.354 .020) 18.0 +1.0/-0.5 (.709 +040/-.020) dia. dimensions: mm (inches) 1 3 cw clockwise ccw 2 wiper trimpot is a registered trademark of bourns, inc. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. rev. 10/10 obsolete
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