Model 140
Vishay Spectrol
1/2" (12.7 mm) Single - Turn Wirewound
Bushing Mount Type Precision Potentiometer
FEATURES
• Ohmic value range: 50 Ω up to 20 kΩ
• Smallest size available: 12.7 mm
• Mechanical stops on request
RoHS
COMPLIANT
• High torque and sealed versions available
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Tolerance
50 Ω to 20 kΩ
5 ꢀ
Linearity x total resistance or
0.5 Ω, whichever is greater
Absolute Minimum Resistance
Linearity (Independent)
Noise
1.0 ꢀ
100 Ω ENR
Power Rating
2 W at 40 °C ambient derating linearly to zero at 125 °C
1000 MΩ min. 500 VDC
1000 VRMS, 60 Hz
Insulation Resistance
Dielectric Strength
Electrical Angle
320° 5°
Linearity x total applied voltage for total resistance above 20 Ω;
2.0 ꢀ of total applied voltage for 20 Ω and below
End Voltage
MATERIAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Stainless steel, non magnetic
Vibration
20 G thru 2000 Hz
Shaft
non-passivated
Shock
50 g
96 h
Housing
Rear Lid
Terminals
Aluminum, anodized
Salt Spray
Molded glass filled
thermoset plastic
500 000
shaft revolutions
Rotational Life
Brass, gold plated
Mounting Hardware
Lockwasher Internal Tooth:
Panel Nut:
Load Life
900 h
Steel, nickel plated.
Brass, nickel plated
Temperature Range
- 55 °C to + 125 °C (operating)
ORDERING INFORMATION/DESCRIPTION
140B
0
0
20K
BO10
MODEL
MECHANICAL OPTIONS
SPECIAL FEATURE
OHMIC VALUE
PACKAGING
Box of 10 pieces
0. Stops, slotted shaft (std)
1. Plain shaft
2. Shaft lock
0. Standard torque
1. Center tap (10K max. Rt)
2. High torque
3. Continuous rotation
4. Combination 1 and 2
5. Combination 1 and 3
6. Combination 2 and 3
7. Combination 1, 2 and 3
3. Sealed construction
4. Combination 1 and 2
5. Combination 1 and 3
6. Combination 2 and 3
7. Combination 1, 2 and 3
SAP PART NUMBERING GUIDELINES
140B
7
0
103
B10
MODEL
MECHANICAL OPTION
From 0 to 7
FEATURE
From 0 to 7
OHMIC VALUE
103 = 10K
PACKAGING
Box of
10 pieces
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For technical questions, contact: sfer@vishay.com
Document Number: 57097
Revision: 28-Jun-07