Arcol Ohmite 150W 15Ω Rheostat 3.16A, RLS15RE

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Ohmite Potentiometers

RL Series 150W Wirewound Rheostats

From Ohmite, the RL series of rheostats has been designed and manufactured to retain high reliability and smooth operation over long periods of use. These rheostats are constructed from a ceramic body with high grade resistance alloy winding and a vitreous enamel coating (or silicone ceramic coating depending on model). RL rheostats have a metal spring contact arm, metal graphite composition and feature solder coated terminals.

Product Applications:

Suitable applications include motor speed controls, equipment requiring variable resistance settings and dimmer switches.

Arcol Ohmite 25W 1Ω Rheostat 5A, RHS1R0E

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Ohmite Potentiometers

RH Series 25W Wirewound Potentiometers

Ohmite RH series wirewound rheostats are designed and manufactured to operate smoothly and reliably over long periods of use. The RH series has a ceramic body with high grade resistance alloy linear taper windings and a vitreous enamel coating. HR rheostats feature a metal spring contact arm, metal graphite composition and solder coated terminals.

Features and benefits:

±10% tolerance
25 W

Product Applications:

Typical applications for the RH series rheostats are motor speed controls, dimmer switches and equipment requiring convenient variable resistance settings.

Ohmite Black Potentiometer Dial for 6.35mm Shaft, 5001E

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Ohmite Rheostat Dials

Ohmite black-enamelled, aluminium dials for rheostats and tap switches. The figures and lines are etched on a black background for contrast and ease of readability. The rheostat dials have divisions indicating approximate percentage of rheostat resistance in circuit, marked from 0 to 100.

Bourns 10kΩ Rotary Potentiometer 1-Gang Rear Mount, 6538S-1-103

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6574S Series 51mm Single Turn Precision Potentiometer

The Bourns 65 series servo mount style single turn precision potentiometers with a front shaft supported by front and rear precision ball bearings.

Features and Benefits:
All models provide excellent reliability and high quality
Molded-in rear terminals

RS PRO 100Ω Rotary Potentiometer 1-Gang Panel Mount

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RS PRO 25 mm Wirewound Potentiometers – Single turn

Brought to you by RS PRO, a series of rotary potentiometers suitable for various applications. Widely used within electronics, each model can be mounted within various devices or even on PCB applications. These particular models generally have a rotational life of 100,000 revolutions and will excel within audio or electronic uses. All models are highly reliable and excellent quality.

Features and Benefits

• Robust construction
• 25 mm shaft
• 1 W power rating
• Single turn
• 285° rotation (mechanical angle)

What is a potentiometer?

A potentiometer is a variable resistor which increases or decreases the resistance in an application. Usually available as either digital or analogue, there are two main types of potentiometers, rotary and linear.

• Linear – comes in a rectangle strip shape and can be pulled up or down for the required resistance, Used a lot within sound systems for mic output or volume control.
• Rotary – the shaft is housed by a knob, you would find these on dimmer switches or speakers, turning (usually to the right) will increase the resistance amplifying the output, whether that is light, sound or voltage.

How do potentiometers work?

Used in various applications, potentiometers operate as a resistor for electronic devices. As an example, a dimmer switch you would find in place of a light switch would house a potentiometer. Whichever direction it is turned, either increases or decreases the resistance, manipulating the light output from the bulb. Another common use would be speaker or sound systems, operating as a volume switch. There are various types of element material, usually as rotary or linear, such as:

• Wire-wound
• Conductive
• Plastic
• Carbon
• Cermet

RS PRO 5kΩ Rotary Potentiometer 1-Gang Panel Mount

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RS 40mm Wirewound Potentiometers

This series of RS potentiometers offer a range of resistance options between 100Ω and 10kΩ. They are single turn wirewound potentiometers with a 6mm diameter shaft and a rotational life of 100,000 revolutions.

±10% standard resistance tolerance
285° rotation (mechanical angle)
3W power rating

Bourns 10kΩ Rotary Potentiometer 1-Gang Through Hole, PTD901-2015K-B103

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PTD90 Series 9mm Single Turn Linear Rotary Potentiometer

PTD90 series 9mm single turn linear rotary potentiometer with a carbon element, an audio taper option and a tracking error within 3 dB. This PTD90 series 9mm potentiometer has a 15mm metal knurled shaft. Typical applications for this PTD90 series linear rotary potentiometer include audio/TV sets, automotive sound systems, amplifiers, mixers, drum machines, synthesizers, DJ equipment, multimedia sound systems and portable electronics.

Bourns 10kΩ Rotary Potentiometer 10-Turns 1-Gang Bushing Mount, 3590P-1-103L

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3590 Series Precision Potentiometers

The 3590 series potentiometers from Bourns are built with precision in mind, not to mention their outstanding build quality. The fully sealed body potentiometers are rated at IP65 so can be used in many environments.

Precision – Multi-Turn and Servo

Features and Benefits-

• Stainless steel shaft
• Brilliant build quality for any application
• Sealed body models are IP65 rated
• Wire-wound design
• Optimal AR pin feature
• High performing bushing mount
• Solder lugs or PC pins

Compatible Potentiometer Knobs-

259-6935
259-6957
107-3138

Vishay NTCLE300E3103SB Thermistor, 38 x 2.4mm

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NTC Thermistors, Long Lead Sensors, NTCLE…E3…SB Series

NTC Thermistors, Long Lead Sensors
Accuracy of 0.5°C between 0°C and 50°C
Small diameter
High stability over a long life
Long and flexible leads for special mounting or assembly requirements

NTCLE…E3…SB series applications include temperature measurement, sensing and control and temperature compensation in industrial and consumer electronics

Vishay NTCLE305E4202SB Thermistor

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NTC Thermistors, 2-Point Micro Chip Sensor Insulated Leads, NTCLE305E4…SB

2-Point Micro Chip Sensor Insulated leads which are flexible for special mounting or assembly
Miniature size very fast reacting
Excellent accuracy over wide ranges of temperatures, remaining stable over a long life span

NTCLE305E4…SB NTC series applications include temperature measurement, sensing and control and temperature compensation in automotive and industrial applications

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