3046 Datasheet, PDF (1/1 Pages) Allegro MicroSystems – HALL EFFECT GEAR-TOOTH SENSORS ZERO SPEED

*RoHS ^COMPLIANT
Features
■ Compact
■ Sealed
■ Long life
■ Infinite resolution
■ Free shaft rotation
■ AC or DC
■ Shaft options available
■ Flexible wire leads
■ Economical
■ RoHS compliant*
3046 Linear Motion Potentiometer
Specifications^†
Standard Electrical Travel
.............................. 0.15, 0.25, 0.35 in.
(3.81, 6.35, 8.89 mm)
Standard Resistances
.................... 1K to 50K ohms (±20 %)
Independent Linearity.................... ±5 %
Resolution ................................... Infinite
Power Rating @ 70 °C (158 °F)
........................................... 0.125 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 .. 2N max. @ 21 °C
Life..................................500,000 cycles
Shock ................................ 50 G for 7ms
Vibration ........................ 20 G, 10-2K Hz
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.
How to Order
3046 L - 2 - 502
Model
Style
Range (Travel)
1 = 0.15 ” (3.81 mm)
2 = 0.25 ” (6.35 mm)
3 = 0.35 ” (8.89 mm)
Resistance Value
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
Product Dimensions
10.26 ± 0.05
(.404 ± .002)
10.46 ± 0.05
(.412 ± .002)
6.604 ± 1.016
(.260 ± .040)
40.41 ± 0.05
(1.591 ± .002)
#0-80 UNF-2A
THREADED SHAFT
(STANDARD).
SHAFT SHOWN IN
RETRACTED
POSITION
1.59
(.0625
±
±
.013
.0005)
DIA.
19.68 ± 0.13
(.775 ± .005)
3 ELECTRICALLY INSULATED LEADWIRES
152.40
(6.00)
MINIMUM LENGTH (28 AWG INSULATED CONDUCTOR)
TOLERANCES:
±
.010
(0.25)
EXCEPT
WHERE
NOTED
6.58 ± .076
(.259 ± .003)
CHAMFER:
45°
X
0.25
(0.10)
RED
2 WIPER
YELLOW
1
SHAFT EXTENDED
GREEN
3
WIRING DIAGRAM
5.69 ± .076
(.224 ± .003)
DIMENSIONS:
MM
(INCHES)
REV. 05/09
*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