Rheostats

A rheostat is a variable resistor which is used to control current within an electrical circuit. They are able to vary the resistance in a circuit without interruption. Rheostats are very similar in construction to potentiometers.
How Rheostats Operate
Rheostats use two connections, even when 3 terminals are present, the first connection is made to one end of the resistive element and the other connection to the wiper (sliding contact). Resistive wire is wound around an insulating ceramic core, as the wiper slides over the windings the resistance, and therefore current, produced is altered.
Rheostat Types
Several types of rheostats exist, with varying functions and applications.
• Rotary type – Mostly used in power control applications. Rotary rheostats feature a turnable shaft that adjusts the resistance. They are used to control multiple applications in parallel or to increase the power rating or adjusting range.
• Slide type – Slide rheostats are often used for education and in laboratory environments. Linear or slide types are constructed of resistive wire wound on an insulating cylinder, a sliding contact moves along the winding to increase or decrease the resistance.

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Omschrijving Prijs Maximum Resistance Tolerance Power Rating Number of Turns Mounting Type Shaft Diameter Mounting Hole Diameter Termination Style Dimensions Depth Height Length Maximum Operating Temperature Actuator Type
RS-stocknr. 168-0119
FabrikantnummerRT025AS10R0KB
FabrikantVishay
€ 55,897
Each (In a Pack of 25)
Aantal stuks
10Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 788-7804
FabrikantnummerRT025AS10R0KB
FabrikantVishay
€ 64,20
Each
Aantal stuks
10Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 168-0123
FabrikantnummerRT025AS2200KB
FabrikantVishay
€ 54,672
Each (In a Pack of 25)
Aantal stuks
220Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 795-4847
FabrikantnummerRT025AS2201KB
FabrikantVishay
€ 76,56
Each
Aantal stuks
2.2kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 Dia.x 50mm 50mm - 38 (Dia.)mm +320°C -
RS-stocknr. 788-7817
FabrikantnummerRT025AS2200KB
FabrikantVishay
€ 77,06
Each
Aantal stuks
220Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 167-8618
FabrikantnummerRT025AS2201KB
FabrikantVishay
€ 58,644
Each (In a Pack of 25)
Aantal stuks
2.2kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 Dia.x 50mm 50mm - 38 (Dia.)mm +320°C -
RS-stocknr. 788-7813
FabrikantnummerRT025AS1501KB
FabrikantVishay
€ 88,03
Each
Aantal stuks
1.5kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 168-0124
FabrikantnummerRT025AS4701KB
FabrikantVishay
€ 54,312
Each (In a Pack of 25)
Aantal stuks
4.7kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 167-9890
FabrikantnummerRT055AS22R0KB
FabrikantVishay
€ 138,932
Each (In a Pack of 25)
Aantal stuks
22Ω ±10% 55W 1 Panel Mount 6 mm 10.5mm Solder Lug 60 (Dia.) x 64mm - - 64mm +320°C -
RS-stocknr. 788-7807
FabrikantnummerRT025AS1500KB
FabrikantVishay
€ 67,36
Each
Aantal stuks
150Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 788-7823
FabrikantnummerRT025AS4701KB
FabrikantVishay
€ 67,36
Each
Aantal stuks
4.7kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 168-0120
FabrikantnummerRT025AS1500KB
FabrikantVishay
€ 52,53
Each (In a Pack of 25)
Aantal stuks
150Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 788-7706
FabrikantnummerRT055AS22R0KB
FabrikantVishay
€ 176,99
Each
Aantal stuks
22Ω ±10% 55W 1 Panel Mount 6 mm 10.5mm Solder Lug 60 (Dia.) x 64mm - - 64mm +320°C -
RS-stocknr. 168-0122
FabrikantnummerRT025AS1501KB
FabrikantVishay
€ 87,268
Each (In a Pack of 25)
Aantal stuks
1.5kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 788-7687
FabrikantnummerRT230AS1000KB
FabrikantVishay
€ 454,48
Each
Aantal stuks
100Ω ±10% 250W 1 Panel Mount 10 mm 12mm Solder Lug 143 (Dia.) x 125mm - - 125mm +320°C -
RS-stocknr. 167-9905
FabrikantnummerRT230AS1000KB
FabrikantVishay
€ 634,72
Each (In a Pack of 25)
Aantal stuks
100Ω ±10% 250W 1 Panel Mount 10 mm 12mm Solder Lug 143 (Dia.) x 125mm - - 125mm +320°C -
RS-stocknr. 788-7794
FabrikantnummerRT025AS1000KB
FabrikantVishay
€ 68,61
Each
Aantal stuks
100Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 167-9891
FabrikantnummerRT055AS10R0KB
FabrikantVishay
€ 118,104
Each (In a Pack of 25)
Aantal stuks
10Ω ±10% 55W 1 Panel Mount 6 mm 10.5mm Solder Lug 60 (Dia.) x 64mm - - 64mm +320°C -
RS-stocknr. 788-7835
FabrikantnummerRT025AS47R0KB
FabrikantVishay
€ 64,49
Each
Aantal stuks
47Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-stocknr. 167-9820
FabrikantnummerRT025AS47R0KB
FabrikantVishay
€ 55,897
Each (In a Pack of 25)
Aantal stuks
47Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -