Bushing Mount Type Precision Potentiometer

Model 140

Vishay Spectrol

www.vishay.com

For technical questions, contact: sfer@vishay.com

Document Number: 57097

88

Revision: 28-Jun-07

FEATURES

• Ohmic value range: 50 Ω up to 20 kΩ

• Smallest size available: 12.7 mm

• Mechanical stops on request

• High torque and sealed versions available

RoHS

COMPLIANT

ELECTRICAL SPECIFICATIONS

PARAMETER

Total Resistance

50

Ω to 20 kΩ

Tolerance

± 5 %

Absolute Minimum Resistance

Linearity x total resistance or

0.5

Ω, whichever is greater

Linearity (Independent)

± 1.0 %

Noise

100

Ω ENR

Power Rating

2 W at 40 °C ambient derating linearly to zero at 125 °C

Insulation Resistance

1000 M

Ω min. 500 V

DC

Dielectric Strength

Electrical Angle

320° ± 5°

End Voltage

Linearity x total applied voltage for total resistance above 20

Ω;

2.0 % of total applied voltage for 20

Ω and below

MATERIAL SPECIFICATIONS

Shaft

Stainless steel, non magnetic

non-passivated

Housing

Aluminum, anodized

Rear Lid

Molded glass filled

thermoset plastic

Terminals

Brass, gold plated

Mounting Hardware

Lockwasher Internal Tooth:

Panel Nut:

Steel, nickel plated.

Brass, nickel plated

ENVIRONMENTAL SPECIFICATIONS

Vibration

20 G thru 2000 Hz

Shock

50 g

Salt Spray

96 h

Rotational Life

500 000

shaft revolutions

Load Life

900 h

Temperature Range

- 55 °C to + 125 °C (operating)

ORDERING INFORMATION/DESCRIPTION

140B

0

0

20K

BO10

MODEL

MECHANICAL OPTIONS

SPECIAL FEATURE

OHMIC VALUE

PACKAGING

0. Stops, slotted shaft (std)

1. Plain shaft

2. Shaft lock

3. Continuous rotation

4. Combination 1 and 2

5. Combination 1 and 3

6. Combination 2 and 3

7. Combination 1, 2 and 3

0. Standard torque

1. Center tap (10K max. Rt)

2. High torque

3. Sealed construction

4. Combination 1 and 2

5. Combination 1 and 3

6. Combination 2 and 3

7. Combination 1, 2 and 3

Box of 10 pieces

SAP PART NUMBERING GUIDELINES

140B

7

0

103

B10

MODEL

MECHANICAL OPTION

FEATURE

OHMIC VALUE

PACKAGING

From 0 to 7

From 0 to 7

103 = 10K

Box of

10 pieces