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.

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Description Price 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庫存編號 891-5616
製造零件編號RNS100E
BrandOhmite
HK$1,918.89
單位
100Ω ±10% 300W 320 ° Panel Mount 9.53 mm - Solder Lug 152.4 (Dia.) x 60.33mm - - 60.33mm - Linear Shaft
RS庫存編號 827-6393
製造零件編號VRH320 3K3 K
BrandArcol
HK$1,493.69
單位
3.3kΩ ±10% - - Surface Mount - - Solder Lug 446 x 93 x 150mm 93mm 150mm 446mm - Slide
RS庫存編號 891-5575
製造零件編號RLS10KE
BrandOhmite
HK$887.79
單位
10kΩ ±10% 150W 300 ° Panel Mount 6.35 mm - Solder Lug 101.6 (Dia.) x 50.8mm - - 50.8mm - Linear Shaft
RS庫存編號 893-5272
製造零件編號RRS3R0
BrandOhmite
HK$3,266.828
/個 (每包:5個)
單位
±10% 500W 325 ° Panel Mount 9.53 mm - Solder Lug 203.2 (Dia.) x 53.98mm - - 53.98mm - Linear Shaft
RS庫存編號 891-5610
製造零件編號RNS10RE
BrandOhmite
HK$1,746.55
單位
10Ω ±10% 300W 320 ° Panel Mount 9.53 mm - Solder Lug 152.4 (Dia.) x 60.33mm - - 60.33mm - Linear Shaft
RS庫存編號 891-5607
製造零件編號RLS4K5E
BrandOhmite
HK$1,506.91
單位
4.5kΩ ±10% 150W 300 ° Panel Mount 6.35 mm - Solder Lug 101.6 (Dia.) x 50.8mm - - 50.8mm - Linear Shaft
RS庫存編號 892-2412
製造零件編號RPS200E
BrandOhmite
HK$1,719.298
/個 (每包:10個)
單位
200Ω ±10% 225W 310 ° Panel Mount 9.53 mm - Solder Lug 127 (Dia.) x 53.98mm - - 53.98mm - Linear Shaft
RS庫存編號 144-5527
製造零件編號RHS1K5E
HK$561.12
單位
1.5kΩ 10% 25W 300 ° Panel Mount 6.35 mm - Solder 39.62 (Dia.) x 34.93mm 39.62 (Dia.)mm - 34.93mm - Linear Shaft
RS庫存編號 892-2422
製造零件編號RRS250E
BrandOhmite
HK$2,896.27
單位
250Ω ±10% 500W 325 ° Panel Mount 9.53 mm - Solder Lug 203.2 (Dia.) x 53.98mm - - 53.98mm - Linear Shaft
RS庫存編號 168-0120
製造零件編號RT025AS1500KB
BrandVishay
HK$624.49
/個 (每包:25個)
單位
150Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS庫存編號 891-5310
製造零件編號RES10RE
HK$231.76
單位
10Ω ±10% 12.5W 300 ° Panel Mount 3.18 mm - Solder Lug 22.23 (Dia.) x 17.46mm - - 17.46mm - Linear Shaft
RS庫存編號 892-6663
製造零件編號6532E
BrandOhmite
HK$439.88
單位
- - - - Coupling Clip - - - - - - - - Linear Shaft
RS庫存編號 827-6413
製造零件編號VRH320 100R K
BrandArcol
HK$1,952.63
單位
100Ω - - - Surface Mount - - Solder Lug 446 x 93 x 150mm 93mm 150mm 446mm - Slide
RS庫存編號 167-9905
製造零件編號RT230AS1000KB
BrandVishay
HK$5,893.139
/個 (每包:25個)
單位
100Ω ±10% 250W 1 Panel Mount 10 mm 12mm Solder Lug 143 (Dia.) x 125mm - - 125mm +320°C -
RS庫存編號 788-7665
製造零件編號RT012AS2201KB
BrandVishay
HK$714.00
單位
2.2kΩ ±10% 12W 1 Panel Mount 3 mm 6.5mm Solder Lug 22.5 (Dia.) x 40mm - - 40mm +320°C -
RS庫存編號 144-5532
製造零件編號RJS1K0E
HK$561.13
單位
1kΩ 10% 50W 300 ° Panel Mount 6.35 mm - Solder 58.67 (Dia.) x 34.93mm 58.67 (Dia.)mm - 34.93mm - Linear Shaft
RS庫存編號 891-5351
製造零件編號RES5K0E
HK$269.39
單位
5kΩ ±10% 12.5W 300 ° Panel Mount 3.18 mm - Solder Lug 22.23 (Dia.) x 17.46mm - - 17.46mm - Linear Shaft
RS庫存編號 892-2428
製造零件編號RRS1R0E
BrandOhmite
HK$3,379.09
單位
±10% 500W 325 ° Panel Mount 9.53 mm - Solder Lug 203.2 (Dia.) x 53.98mm - - 53.98mm - Linear Shaft
RS庫存編號 167-9895
製造零件編號RT100AS1000KB
BrandVishay
HK$2,250.818
/個 (每包:25個)
單位
100Ω ±10% 100W 1 Panel Mount 6 mm 10.5mm Solder Lug 85 (Dia.) x 81mm - - 81mm +320°C -
RS庫存編號 891-5635
製造零件編號RNS25RE
BrandOhmite
HK$1,704.26
單位
25Ω ±10% 300W 320 ° Panel Mount 9.53 mm - Solder Lug 152.4 (Dia.) x 60.33mm - - 60.33mm - Linear Shaft