Resistance
Laws
Type 31 Series
Tyco will customize these neat 16mm
diameter control potentiometers to suit
your requirements. They comprise a
printed carbon resistance element with
0.25 W current handling and are avali-
able with various bush, termination and
spindle styles.
As an additional feature, the range
includes a twist tab design with mount-
ing bracket applications for use where
low price is an important consideration.
Key Features
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Literature No. 1773116
Issued: 2-09
Versatile Design can be
Customised to Suit Your
Requirements
SPST Switch Style
Low Cost Twist Tab
Model
PC Mounting Bracket
Insulated Shafts Up
To 50mm
Non Linear Laws
Available with Choice
of Bush Styles
Eyelet or PC
Terminations
A - Linear
B - Log
C - Inverse Log
Dimensions are shown for
reference purposes only.
Characteristics -
Electrical
Characteristics -
Mechanical
Characteristics -
Environmental
DIY
Design
Spindle Operated Potentiometers
Type 31 Series
The 31 Series can be customised to suit your individual requirements with features such as detent action,
track centre tap etc.
Please call our technical sales team to discuss variations on these 16mm diameter devices.
Resistance Range (Law):
Resistance Values:
Resistance Tolerance:
Rated Dissipation at 40°C:
Limiting Element Voltage:
Electrical Rotation:
Terminal Resistance:
Noise (ENR):
Insulation Resistance:
Voltage Proof:
Operating Torque:
Mechanical Rotation:
End Stop Torque:
Limits of Resistance Change:
Temperature characteristics of
resistance ( 20°C to 70°C ):
Bump Severity:
Vibration Severity:
Climatic Category:
Mechanical Endurance:
100
90
80
70
60
50
40
30
20
10
0
0
10
20
Dimensions are in
millimetres unless
otherwise specified.
% Effective Electrical Clockwise Rotation
C
30
40
A
50
60
B
70
Specifications subject to
change.
80
90
1K Ohm to 1M Ohm Linear
4K7 to 470K (Non Linear)
1, 2.2 and 4.7 per decade
± 20% (± 10% by selection)
0.25W (Linear), 0.125W (Non Linear)
350Vdc or ac RMS
267° NOM without switch, 240° NOM with switch
5 Ohms, Max.
2% Max. (Linear), 3% Max. (Non Linear)
4 G Ohms Min.
500 Vac peak
15 mNm, Max.
270° Nominal
350 mNm, Max.
15% (After 1000 hours endurance)
5%
390m/s
10 - 500 Hz, 0.75mm or 98m/s
8 days @ 36°C 82% RH DR < 15%
15000 Operations ( Min )
100
2
, 4000 Bumps
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