Features
■ Flexible wire leads
■ Economical
■ Compact
■ Lightweight
■ RoHS compliant*
■ Long life
■ Infinite resolution
■ Free shaft rotation
■ AC or DC
■ Shaft options available
3048 Linear Motion Potentiometer
†
Specifications
Product Dimensions
Standard Electrical Travel
13.5
(.53)
.............................0.2, 0.3, 0.4, 0.5 in.
(5.08, 7.62, 10.16, 12.70 mm)
11.18 0.38
(.44 .015)
9.14
(.36)
25.4
(1.00)
Standard Resistances
4.6 0.25
(.18 .010)
2 PLCS.
#2-56 UNC-2A
..........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
THREADED SHAFT
(STANDARD).
SHAFT SHOWN IN
RETRACTED
POSITION
2.67 0.25
(.11 .010)
3.18 0.38
(.125 .015)
2.34
(.092)
DIA.
2 MOUNTING HOLES
5.60
(.220)
7.60
(.299)
FULL THREAD
#2 SCREW CLEARANCE
56.39
(2.22)
2.13 +0.02/-0.50
(.084 +.001/-.020)
DIA.
Backlash................................. Negligible
Shaft Actuating Force............ 4 oz. max.
@ 70 °F
(THIS DIMENSION APPLIES
BEYOND THE THREADED AREA
TO THE FULL DIAMETER.
2.36 +.025/-.013
(.093 +.001/-.005)
SEE THE #2-56 THREAD NOTE ABOVE.)
1.52
(.060)
MAXIMUM FILLET
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
31.75
(1.250)
CHAMFER:
0.25
6.99 0.25
(.275 .010)
45° X
(0.10)
3 ELECTRICALLY INSULATED LEADWIRES
152.40
(6.00)
MINIMUM LENGTH (28 AWG INSULATED CONDUCTOR)
Specifications are typical. Contact factory for
special requirements.
8.28 0.38
2.36
DIA.
(.326 .015)
(.093)
† Specifications applicable from 5 ꢀ to 95 ꢀ
of electrical travel.
How to Order
RED
2
WIPER
.010
(0.25)
3048 L - 2 - 502
TOLERANCES:
EXCEPT WHERE NOTED
MM
YELLOW
1
GREEN
3
Model
Style
SHAFT EXTENDED
WIRING DIAGRAM
DIMENSIONS:
Range (Travel)
(INCHES)
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
Stainless steel shaft is available upon request.
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
1,000
102
252
502
103
203
503
2,500
5,000
10,000
20,000
50,000
REV. 01/13
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.