PL IA NT
Features
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Compact Lightweight Long life Infinite resolution Free shaft rotation AC or DC
CO M
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Shaft options available Flexible wire leads Economical RoHS compliant*
*R oH S
3048 Linear Motion Potentiometer
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 °C (158 °F) Range 2, 3..............................0.12 watt Range 4, 5..............................0.25 watt Operating Temperature Range .................................-55 °C to +125 °C Temperature Coefficient ....1000 PPM/°C Insulation Resistance..........50 megohms @ 500 VDC Backlash ..................................Negligible Shaft Actuating Force .............4 oz. max. @ 70 °F 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.
Product Dimensions
11.18 ± 0.38 (.44 ± .015) 4.6 ± 0.25 (.18 ± .010) 2 PLCS.
25.4 (1.00) 13.5 (.53) 9.14 (.36) #2-56 UNC-2A THREADED SHAFT (STANDARD). SHAFT SHOWN IN RETRACTED POSITION 2.67 ± 0.25 (.11 ± .010) 5.60 7.60 (.220) (.299) FULL THREAD
3.18 ± 0.38 2.34 (.125 ± .015) DIA. (.092) 2 MOUNTING HOLES #2 SCREW CLEARANCE 56.39 (2.22)
MAXIMUM FILLET
1.52 (.060)
2.13 + 0.02/ – 0.50 DIA. (.084 + .001/ – .020)
31.75 (1.250) 3 ELECTRICALLY INSULATED LEADWIRES 152.40 MINIMUM LENGTH (28 AWG INSULATED CONDUCTOR) (6.00)
CHAMFER: 6.99 ± 0.25 45° X 0.25 (0.10) (.275 ± .010)
8.28 ± 0.38 (.326 ± .015)
2.36 DIA. (.093)
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
RED 2 WIPER YELLOW 1 SHAFT EXTENDED WIRING DIAGRAM GREEN 3 TOLERANCES: ±
.010 EXCEPT WHERE NOTED (0.25)
DIMENSIONS ARE:
MM (INCHES)
Standard Resistance Table Resistance (Ohms) 1,000 2,500 5,000 10,000 20,000 50,000 Resistance Code 102 252 502 103 203 503
REV. 09/04 *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.
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