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 OperateRheostats 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 TypesSeveral 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.

...
Read more Read less

Filter

Visar 41 - 60 av 248 produkter
Resultat per sida
Beskrivning Pris 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-artikelnummer 891-5534
Tillv. art.nrRJSR50E
VarumärkeOhmite
862,67 kr
Each
Enheter
500mΩ ±10% 50W 300 ° Panel Mount 6.35 mm - Solder Lug 58.67 (Dia.) x 34.93mm - - 34.93mm - Linear Shaft
RS-artikelnummer 167-9820
Tillv. art.nrRT025AS47R0KB
VarumärkeVishay
537,415 kr
Each (In a Pack of 25)
Enheter
47Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-artikelnummer 891-5593
Tillv. art.nrRLS250E
VarumärkeOhmite
1 380,80 kr
Each
Enheter
250Ω ±10% 150W 300 ° Panel Mount 6.35 mm - Solder Lug 101.6 (Dia.) x 50.8mm - - 50.8mm - Linear Shaft
RS-artikelnummer 893-5175
Tillv. art.nrREE25R
VarumärkeOhmite
1 254,49 kr
Each (In a Pack of 5)
Enheter
25Ω ±10% 12.5W 300 ° Panel Mount 3.18 mm - Solder Lug 26.59 (Dia.) x 30.96mm - - 30.96mm - Linear Shaft
RS-artikelnummer 892-2447
Tillv. art.nrRRS50RE
VarumärkeOhmite
3 934,06 kr
Each
Enheter
50Ω ±10% 500W 325 ° Panel Mount 9.53 mm - Solder Lug 203.2 (Dia.) x 53.98mm - - 53.98mm - Linear Shaft
RS-artikelnummer 893-5298
Tillv. art.nrRKS2K0E
VarumärkeOhmite
1 028,52 kr
Each (In a Pack of 5)
Enheter
2kΩ ±10% 100W 300 ° Panel Mount 6.35 mm - Solder Lug 79.38 (Dia.) x 44.45mm - - 44.45mm - Linear Shaft
RS-artikelnummer 891-5367
Tillv. art.nrRES8R0E
VarumärkeArcol Ohmite
492,80 kr
Each
Enheter
±10% 12.5W 300 ° Panel Mount 3.18 mm - Solder Lug 22.23 (Dia.) x 17.46mm - - 17.46mm - Linear Shaft
RS-artikelnummer 144-5539
Tillv. art.nrRKS50RE
VarumärkeArcol Ohmite
941,97 kr
Each
Enheter
50Ω 10% 100W 300 ° Panel Mount 6.35 mm - Solder 79.38 (Dia.) x 44.45mm 79.38 (Dia.)mm - 44.45mm - Linear Shaft
RS-artikelnummer 892-2412
Tillv. art.nrRPS200E
VarumärkeOhmite
2 281,056 kr
Each (In a Pack of 10)
Enheter
200Ω ±10% 225W 310 ° Panel Mount 9.53 mm - Solder Lug 127 (Dia.) x 53.98mm - - 53.98mm - Linear Shaft
RS-artikelnummer 892-5027
Tillv. art.nrRUS25R
VarumärkeOhmite
9 709,218 kr
Each (In a Pack of 5)
Enheter
25Ω ±10% 1kW 335 ° Panel Mount 9.53 mm - Solder Lug 304.8 (Dia.) x 76.2mm - - 76.2mm - Linear Shaft
RS-artikelnummer 144-5525
Tillv. art.nrRHS10RE
VarumärkeArcol Ohmite
586,28 kr
Each
Enheter
10Ω 10% 25W 300 ° Panel Mount 6.35 mm - Solder 39.62 (Dia.) x 34.93mm 39.62 (Dia.)mm - 34.93mm - Linear Shaft
RS-artikelnummer 893-5197
Tillv. art.nrRLS1K8
VarumärkeOhmite
1 540,846 kr
Each (In a Pack of 5)
Enheter
1.8kΩ ±10% 150W 300 ° Panel Mount 6.35 mm - Solder Lug 101.6 (Dia.) x 50.8mm - - 50.8mm - Linear Shaft
RS-artikelnummer 168-0127
Tillv. art.nrRT025AS4700KB
VarumärkeVishay
585,608 kr
Each (In a Pack of 25)
Enheter
470Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-artikelnummer 891-5332
Tillv. art.nrRES250E
VarumärkeArcol Ohmite
466,64 kr
Each
Enheter
250Ω ±10% 12.5W 300 ° Panel Mount 3.18 mm - Solder Lug 22.23 (Dia.) x 17.46mm - - 17.46mm - Linear Shaft
RS-artikelnummer 788-7829
Tillv. art.nrRT025AS2R20KB
VarumärkeVishay
1 071,33 kr
Each
Enheter
2.2Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS-artikelnummer 891-5503
Tillv. art.nrRJS50KE
VarumärkeOhmite
843,43 kr
Each
Enheter
50kΩ ±10% 50W 300 ° Panel Mount 6.35 mm - Solder Lug 58.67 (Dia.) x 34.93mm - - 34.93mm - Linear Shaft
RS-artikelnummer 891-5537
Tillv. art.nrRKS100E
VarumärkeOhmite
900,10 kr
Each
Enheter
100Ω ±10% 100W 300 ° Panel Mount 6.35 mm - Solder Lug 79.38 (Dia.) x 44.45mm - - 44.45mm - Linear Shaft
RS-artikelnummer 892-8221
Tillv. art.nrRKS750E
VarumärkeOhmite
1 030,28 kr
Each
Enheter
750Ω ±10% 100W 300 ° Panel Mount 6.35 mm - Solder Lug 79.38 (Dia.) x 44.45mm - - 44.45mm - Linear Shaft
RS-artikelnummer 891-5565
Tillv. art.nrRKS5K0E
VarumärkeOhmite
1 177,31 kr
Each
Enheter
5kΩ ±10% 100W 300 ° Panel Mount 6.35 mm - Solder Lug 79.38 (Dia.) x 44.45mm - - 44.45mm - Linear Shaft
RS-artikelnummer 788-7832
Tillv. art.nrRT025AS4700KB
VarumärkeVishay
696,50 kr
Each
Enheter
470Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
Related Products
Ohmite RH series wirewound rheostats are designed and ...
Description:
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 ...
From Ohmite, the RJ series of rheostats has ...
Description:
From Ohmite, the RJ 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 resistance alloy winding and a vitreous enamel ...
Ohmite RK Series wirewound potentiometers are designed and ...
Description:
Ohmite RK Series wirewound potentiometers are designed and manufactured to operate smoothly and reliably over long periods of use. The RK Series has a ceramic body, high-grade resistance alloy linear taper windings, vitreous enamel coating, metal spring contact arm, metal ...
From Ohmite, the RL series of rheostats has ...
Description:
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 ...