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Rheostats

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We offer a wide range of rheostats, with power ratings from 25W to 1kW. Track resistances range from 0.5Ohm to 50kOhm.

Like potentiometers, rheostats have a uniform resistance track and a sliding contact – however they are connected into an external circuit differently, and they have a different function. They have two terminals rather than three, where one terminal is connected to the resistance track and the other to the sliding contact. As two-terminal devices they are wired in series with a load such as a lamp. Moving the sliding contact alters the series resistance in circuit, controlling the level of current flowing through the lamp and therefore its brightness.

Types of rheostats

Rotary Rheostats are usually used in power applications; as the name suggests, their resistance tracks are rotary.

Linear Rheostats have a linear movement for changing the resistance path length and therefore the resistance. This type is usually found in laboratory applications.

Preset Rheostats are usually found on printed circuit boards, and used for calibration purposes.

Rheostat applications

Rheostats are used in dimmer circuits, heaters and ovens, and speed control circuits for motors. They are also used for easily varying currents in teaching applications.

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Manufacturer Part No	Newark Part No.	Description / Manufacturer	Price for:	Price	Quantity	Resistance	Track Resistance	Power Rating	Product Range	Voltage Rating	Resistor Mounting	Adjustment Type	Temperature Coefficient	Rheostat Type	Resistance Tolerance	Resistor Technology	Resistor Terminals	Product Length	Product Height	Operating Temperature Min	Operating Temperature Max
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RHS100	01F7556 Data Sheet Date/Lot Code	Rheostat, Wirewound, 100 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $110.44 5+ $109.36 10+ $108.27 25+ $96.96 50+ $93.97 100+ $90.98 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	100ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-
RHS10K	01F7568 Data Sheet Date/Lot Code	Rheostat, Wirewound, 10 kohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $141.66 5+ $135.60 10+ $129.54 25+ $107.92 50+ $101.20 100+ $98.51 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	10kohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Screw	-	34.93mm	-	-
RHS1K0E	64K5737 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 1 kohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $119.68 5+ $116.74 10+ $113.79 25+ $105.13 50+ $102.04 100+ $99.24 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	1kohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-
RHS25R	01F7552 Data Sheet Date/Lot Code	Rheostat, Wirewound, 25 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $98.79 5+ $96.00 10+ $91.63 25+ $89.88	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	25ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-
RLS15RE	64K5852 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 15 ohm, 150 W, RLS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $311.14 5+ $301.51 10+ $291.88 25+ $250.57	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	15ohm	150W	RLS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	50.8mm	-	-

RKS100E	64K5827 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 100 ohm, 100 W, RKS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $223.67 5+ $218.10 10+ $212.51 25+ $194.45	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	100ohm	100W	RKS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	44.45mm	-	-

RHS75RE	64K5762 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 75 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $119.36 5+ $113.75 10+ $108.15 25+ $107.15 50+ $104.84 100+ $100.22 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	75ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RES100E	64K5659 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 100 ohm, 12.5 W, RES Series, Panel Mount, Round Shaft OHMITE You previously purchased this product. View in Order History	Each	1+ $102.14 5+ $98.28 10+ $94.39 25+ $86.81 50+ $78.12 100+ $76.83 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	100ohm	12.5W	RES Series	-	Panel Mount	Round Shaft	-	-	± 10%	-	Solder Lug	-	17.46mm	-	-

RHS100E	64K5742 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 100 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $110.44 5+ $109.36 10+ $108.27 25+ $96.96 50+ $93.97 100+ $90.98 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	100ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RJS150E	64K5798 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 150 ohm, 50 W, RJS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $145.31 5+ $139.32 10+ $133.32 25+ $121.67 50+ $117.00 100+ $111.05 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	150ohm	50W	RJS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS5K0	01F7567 Data Sheet Date/Lot Code	Rheostat, Wirewound, 5 kohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $123.76 5+ $121.35 10+ $118.96 25+ $104.98 50+ $102.73 100+ $99.35 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	5kohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS5K0E	64K5757 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 5 kohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $123.76 5+ $121.35 10+ $118.96 25+ $104.98 50+ $102.73 100+ $99.35 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	5kohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS175E	64K5746 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 175 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $128.62 5+ $126.98 10+ $125.33 25+ $110.59 50+ $103.67 100+ $100.22 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	175ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS10KE	64K5740 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 10 kohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $139.41 5+ $135.89 10+ $132.36 25+ $116.92 50+ $112.50 100+ $104.74 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	10kohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS500E	64K5759 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 500 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $126.19 5+ $120.80 10+ $115.40 25+ $96.16 50+ $90.15 100+ $88.57 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	500ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RJS10K	01F7596 Data Sheet Date/Lot Code	Rheostat, Wirewound, 10 kohm, 50 W, RJS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $137.71 5+ $129.40 10+ $121.07	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	10kohm	50W	RJS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RJS5K0	01F7594 Data Sheet Date/Lot Code	Rheostat, Wirewound, 5 kohm, 50 W, RJS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $138.30 5+ $126.38 10+ $119.04	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	5kohm	50W	RJS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS50RE	64K5758 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 50 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $102.36 5+ $97.51 10+ $92.63 25+ $92.62 50+ $91.69 100+ $90.77 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	50ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RKS5R0E	64K5838 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 5 ohm, 100 W, RKS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $288.90 5+ $273.43 10+ $257.96 25+ $228.55	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	5ohm	100W	RKS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	44.45mm	-	-

RHS1K0	01F7563 Data Sheet Date/Lot Code	Rheostat, Wirewound, 1 kohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $119.68 5+ $116.74 10+ $113.79 25+ $105.13 50+ $102.04 100+ $99.24 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	1kohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RKS10RE	64K5826 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 10 ohm, 100 W, RKS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $232.01 5+ $225.41 10+ $218.80 25+ $196.29	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	10ohm	100W	RKS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	44.45mm	-	-

RJS1K0E	64K5791 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 1 kohm, 50 W, RJS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $140.53 5+ $139.06 10+ $137.59 25+ $130.59	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	1kohm	50W	RJS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS15R	01F7551 Data Sheet Date/Lot Code	Rheostat, Wirewound, 15 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $115.33 5+ $109.69 10+ $104.03 25+ $98.11 50+ $89.70	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	15ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RHS25RE	64K5751 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 25 ohm, 25 W, RHS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $99.72 5+ $96.90 10+ $92.48 25+ $90.72	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	25ohm	25W	RHS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	34.93mm	-	-

RGS200E	64K5696 Data Sheet + RoHS Date/Lot Code	Rheostat, Wirewound, 200 ohm, 75 W, RGS Series, Panel Mount, Flatted OHMITE You previously purchased this product. View in Order History	Each	1+ $171.84 5+ $166.01 10+ $160.19 25+ $158.14 50+ $156.09 100+ $154.77 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add	-	200ohm	75W	RGS Series	-	Panel Mount	Flatted	-	-	± 10%	-	Solder Lug	-	44.45mm	-	-