English
Language : 

148 Datasheet, PDF (1/4 Pages) Vishay Siliconix – 1/2 (12.7 mm) Conductive Plastic and Cermet Potentiometers
148, 149
Vishay Spectrol
1/2" (12.7 mm) Conductive Plastic and Cermet
Potentiometers
148 FEATURES
• Conductive plastic element
• High rotational life (50 000 cycles)
• Quiet electrical output
• Robust construction
DIMENSIONS in inches (millimeters)
SINGLE, DUAL OR TRIPLE
0.031
(0.80)
0.492
(12.50)
0.648
(16.45)
0.185
(4.70)
149 FEATURES
• Cermet element
• Low temperature coefficient (± 150 ppm/°C)
• Robust construction
0.348
(8.83)
0.250
(6.35)
SOLDER LUG TERMINALS
0.047
(1.200)
0.492
(12.500)
0.315
(8.000)
0.375
(9.520)
RoHS
COMPLIANT
0.100
(2.54)
0.024
(0.60)
0.100
(2.54)
0.300
(7.62)
thread 1/4 32-NEF-2A
0.012
(0.030)
0.200
(5.07)
0.185
(4.70)
0.492
(12.50)
FRONT AND REAR SUPPORT PLATES
E = Flush with board surface
0.031
(0.80)
Dual
Single
0.183
(4.650)
0.035
(0.900)
0.071
(1.800)
0.183
(4.650)
0.012
(0.300)
0.188
(1.770)
thread 3/8 32-NEF-2A
0.1
(2.54)
0.2
(5.08)
0.25
0.1 (6.35)
(2.54)
0.2
(5.08)
0.3
(7.62)
Tolerances unless otherwise specified ± 0.5
0.06
(1.52)
0.151
(3.85)
0.25
(6.38)
0.06
(1.52)
0.151
(1.52)
MOUNTING ACCESSORIES: PRODUCT IS SUPPLIED
WITH A NUT & WASHER
OPTIONAL FEATURES
Up to three sections PC support plates
Rotary switches, detents, Solder lugs terminals
CONSTRUCTION MATERIALS
Housing - Molded thermoplastic white
Shaft - Brass, nickel plated
www.vishay.com
102
For technical questions, contact: sfer@vishay.com
See also: Application notes
Document Number: 57040
Revision: 31-Jul-06