*rohs directive 2002/95/ec jan 27 2003 including annex. specifications are subject to change without notice. customers should verify device performance in their specific applications. rev. 09/04 3048 linear motion potentiometer features compact shaft options available lightweight flexible wire leads long life economical infinite resolution rohs compliant* free shaft rotation ac or dc specifications ? standard electrical travel ...............................0.2, 0.3, 0.4, 0.5 in. (5.08, 7.62, 10.16, 12.70 mm) standard resistances ............1k ohms to 50k ohms ( 20 %) independent linearity .................... 5 % resolution .....................................infinite power rating @ 70 ? (158 ?) range 2, 3..............................0.12 watt range 4, 5..............................0.25 watt operating temperature range .................................-55 ? to +125 ? temperature coefficient ....1000 ppm/? insulation resistance..........50 megohms @ 500 vdc backlash ..................................negligible shaft actuating force .............4 oz. max. @ 70 ? life...................................500,000 cycles shock.............................50 g for 7 msec vibration ..........................20 g, 10-2 khz marking .........manufacturer s trademark, resistance code, wiring diagram, date code, manufacturer s model number and style specifications are typical. contact factory for special requirements. ? specifications applicable from 5 % to 95 % of electrical travel. 2.13 + 0.02/ ?0.50 (.084 + .001/ ?.020) 6.99 ?0.25 (.275 ?.010) 25.4 (1.00) 9.14 (.36) 13.5 (.53) 2.67 ?0.25 (.11 ?.010) 7.60 (.299) 56.39 (2.22) 11.18 ?0.38 (.44 ?.015) 4.6 ?0.25 (.18 ?.010) 5.60 (.220) full thread 3.18 ?0.38 (.125 ?.015) #2-56 unc-2a threaded shaft (standard). shaft shown in retracted position 2.34 (.092) dia. 2 plcs. 2 mounting holes #2 screw clearance maximum fillet 1.52 (.060) 3 electrically insulated leadwires 152.40 (6.00) minimum length (28 awg insulated conductor) 31.75 (1.250) 0.25 (0.10) 45?x chamfer: dia. 8.28 ?0.38 (.326 ?.015) 2.36 (.093) dia. yellow 1 green 3 red 2 wiper shaft extended wiring diagram tolerances: .010 (0.25) except where noted how to order 3048 l - 2 - 502 model style range (travel) 2 = 0.2 ?(5.08 mm) 3 = 0.3 ?(7.62 mm) 4 = 0.4 ?(10.16 mm) 5 = 0.5 ?(12.70 mm) resistance value resistance resistance (ohms) code 1,000 102 2,500 252 5,000 502 10,000 103 20,000 203 50,000 503 standard resistance table product dimensions dimensions are: mm (inches) *rohs compliant
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