148, 149

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Vishay Spectrol

Revision: 12-Apr-18

1

Document Number: 57040

For technical questions, contact: sferpottrimmers@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometer

DESIGN SUPPORT TOOLS

FEATURES

• Robust construction

• High rotational life (50 000 cycles)

• Up to three sections PC support plates

• Rotary switches and solder lugs terminals available

• Tests according to CECC 41000 or IEC 60393-1

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

148 FEATURES

• Conductive plastic element

• Quiet electrical output

149 FEATURES

• Cermet element

• Low temperature coefficient (± 150 ppm/°C)

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QUICK REFERENCE DATA

Multiple module

Up to 3 modules

Switch module

Yes

Detent module

n/a

Special electrical laws

A: linear, L: logarithmic, F: reverse

logarithmic

Sealing level

IP 64

Lifespan

50K cycles

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Available

Models

DIMENSIONS in millimeters (inches) ± 0.5 mm (± 0.02")

12.5

(0.492)

12.5

(0.492)

(0.648)

16.45

2.54

2.54

(0.100)

(0.100)

123

123

123

7.62

(0.300)

Thread 1/4 32-NEF-2A

0.30

(0.012)

5.07

(0.200)

Single, dual or triple

Front and rear support plates

E = Flush with board surface

Dual

Single

5.08

(0.200)

5.08

(0.200)

Solder lug terminals

0.8

(0.031)

0.80

(0.031)

4.7

(0.185)

4.70

(0.185)

8.83

(0.348)

6.35

(0.250)

6.35

(0.250)

6.35

(0.250)

3.85

(0.151)

1.52

(0.06)

0.6

(0.024)

2.54

(0.100)

2.54

(0.100)

7.62

(0.300)

3.85

(0.151)

1.52

(0.06)

1.2

(0.047)

12.5

(0.492)

4.65

(0.183)

4.65

(0.183)

1.800

(0.071)

8.0

(0.315)

0.9

(0.035)

0.300

(0.012)

4.770

(0.188)

9.52

(0.375)

Thread 3/8 32-NEF-2A

FMS

FMS