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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รายละเอียดสินค้า / Description ราคา / 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 Stock No. 893-4106
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RGS1K0E
Brand :Ohmite
THB2,589.74
Each
Units
1kΩ ±10% 75W 300 ° Panel Mount 6.35 mm - Solder Lug 69.25 (Dia.) x 44.45mm - - 44.45mm - Linear Shaft
RS Stock No. 788-7807
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RT025AS1500KB
Brand :Vishay
THB2,222.61
Each
Units
150Ω ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS Stock No. 891-5600
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RLS500E
Brand :Ohmite
THB3,113.99
Each
Units
500Ω ±10% 150W 300 ° Panel Mount 6.35 mm - Solder Lug 101.6 (Dia.) x 50.8mm - - 50.8mm - Linear Shaft
RS Stock No. 893-5406
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RHL10K
Brand :Ohmite
THB2,021.344
Each: (In a Pack of 5)
Units
10kΩ ±10% 25W 300 ° Panel Mount 6.35 mm - Solder Lug 39.62 (Dia.) x 34.93mm - - 34.93mm - Linear Shaft
RS Stock No. 144-5532
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RJS1K0E
Brand :Arcol Ohmite
THB2,557.00
Each
Units
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 Stock No. 893-5181
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RHL1K5E
Brand :Ohmite
THB1,853.814
Each: (In a Pack of 5)
Units
1.5kΩ ±10% 25W 300 ° Panel Mount 6.35 mm - Solder Lug 39.62 (Dia.) x 34.93mm - - 34.93mm - Linear Shaft
RS Stock No. 891-5411
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RHS2K5E
Brand :Arcol Ohmite
THB1,235.38
Each
Units
2.5kΩ ±10% 25W 300 ° Panel Mount 6.35 mm - Solder Lug 39.62 (Dia.) x 34.93mm - - 34.93mm - Linear Shaft
RS Stock No. 144-5531
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RJS12RE
Brand :Arcol Ohmite
THB2,502.00
Each
Units
12Ω 10% 50W 300 ° Panel Mount 6.35 mm - Solder 58.67 (Dia.) x 34.93mm 58.67 (Dia.)mm - 34.93mm - Linear Shaft
RS Stock No. 168-0122
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RT025AS1501KB
Brand :Vishay
THB3,052.48
Each: (In a Pack of 25)
Units
1.5kΩ ±10% 25W 1 Panel Mount 6 mm 10.5mm Solder Lug 38 (Dia.) x 50mm - - 50mm +320°C -
RS Stock No. 2509031132
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.232P21
Brand :Ohmite
THB2,209.22
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2509192647
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RKS300E
Brand :Ohmite
THB3,414.46
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2508305924
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.232P19
Brand :Ohmite
THB2,739.92
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2509192940
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RNS2R0E
Brand :Ohmite
THB7,845.08
Each
Units
- - - - - - - - - - - - - -
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