Rheostats | element14 China

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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			Price For		Quantity

RT025AS2201KB	1141327 Data Sheet RoHS	VISHAY Rheostat Wirewound 2.2 kohm 25 W RT Series Panel Mount Rotary	Each	1+ CNY2,679.120 (CNY3,027.4056) 5+ CNY2,337.760 (CNY2,641.6688) 10+ CNY1,996.390 (CNY2,255.9207)	Min: 1 / Mult: 1	2.2kohm	25W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	25mm	-55°C	320°C
RT025AS22R0KB	1141318 Data Sheet RoHS	VISHAY Rheostat Wirewound 22 ohm 25 W RT Series Panel Mount Rotary	Each	1+ CNY1,911.790 (CNY2,160.3227) 5+ CNY1,807.480 (CNY2,042.4524) 10+ CNY1,703.160 (CNY1,924.5708)	Min: 1 / Mult: 1	22ohm	25W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	25mm	-55°C	320°C
RT025AS10R0KB	1141316 Data Sheet RoHS	VISHAY Rheostat Wirewound 10 ohm 25 W RT Series Panel Mount Rotary	Each	1+ CNY2,553.710 (CNY2,885.6923) 5+ CNY2,423.780 (CNY2,738.8714) 10+ CNY2,293.840 (CNY2,592.0392)	Min: 1 / Mult: 1	10ohm	25W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	25mm	-55°C	320°C
RT055AS1002KB	1141336 Data Sheet RoHS	VISHAY Rheostat Wirewound 10 kohm 55 W RT Series Panel Mount Rotary	Each	1+ CNY7,066.070 (CNY7,984.6591) 5+ CNY6,487.680 (CNY7,331.0784) 10+ CNY5,909.290 (CNY6,677.4977)	Min: 1 / Mult: 1	10ohm	55W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	36mm	-55°C	320°C
RT012AS1001KB	1141312 Data Sheet RoHS	VISHAY Rheostat Wirewound 1 kohm 12 W RT12 Series Panel Mount Screwdriver Slot	Each	1+ CNY3,742.430 (CNY4,228.9459) 5+ CNY3,274.630 (CNY3,700.3319) 10+ CNY2,713.260 (CNY3,065.9838)	Min: 1 / Mult: 1	1kohm	12W	RT12 Series	Panel Mount	Screwdriver Slot	-	± 10%	Solder Lug	17mm	-55°C	320°C
RT025AS4R70KB	1141315 Data Sheet RoHS	VISHAY Rheostat Wirewound 4.7 ohm 25 W RT Series Panel Mount Rotary	Each	1+ CNY2,988.890 (CNY3,377.4457) 5+ CNY2,615.280 (CNY2,955.2664) 10+ CNY2,166.940 (CNY2,448.6422)	Min: 1 / Mult: 1	4.7ohm	25W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	25mm	-55°C	320°C
RJS1K0E.	1129893 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 1KOHM 50W	Each	5+ CNY827.690 (CNY935.2897) 10+ CNY811.850 (CNY917.3905) 20+ CNY795.620 (CNY899.0506)	Min: 5 / Mult: 5	-	-	-	-	-	-	-	-	-	-	-
RHS10K	1050333 Data Sheet	OHMITE Rheostat Wirewound 10 kohm 25 W H Series Panel Mount Flatted	Each	1+ CNY1,438.690 (CNY1,625.7197) 2+ CNY1,266.270 (CNY1,430.8851) 3+ CNY1,059.370 (CNY1,197.0881) 5+ CNY955.910 (CNY1,080.1783) 10+ CNY953.870 (CNY1,077.8731)	Min: 1 / Mult: 1	10ohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder	34.93mm	-	-
RHS10KE.	1129866 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 10KOHM 25W	Each	5+ CNY797.430 (CNY901.0959) 10+ CNY749.780 (CNY847.2514) 20+ CNY734.790 (CNY830.3127)	Min: 5 / Mult: 5	10ohm	25W	RHS Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS1K0E.	1129863 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 1KOHM 25W	Each	5+ CNY690.580 (CNY780.3554) 10+ CNY667.190 (CNY753.9247) 20+ CNY653.850 (CNY738.8505)	Min: 5 / Mult: 5	1kohm	25W	RHS Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS100E.	1129869 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 100OHM 25W	Each	5+ CNY645.540 (CNY729.4602) 10+ CNY613.770 (CNY693.5601) 20+ CNY601.500 (CNY679.695)	Min: 5 / Mult: 5	100ohm	25W	RHS Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RJS500E	2145764 Data Sheet RoHS	OHMITE Rheostat Wirewound 500 ohm 50 W J Series Panel Mount Flatted	Each	1+ CNY1,297.870 (CNY1,466.5931) 2+ CNY1,232.600 (CNY1,392.838) 3+ CNY1,167.330 (CNY1,319.0829) 5+ CNY1,102.060 (CNY1,245.3278) 10+ CNY1,036.790 (CNY1,171.5727) More Pricing...	Min: 1 / Mult: 1	500ohm	50W	J Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS50RE.	1129886 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 50OHM 25W	Each	5+ CNY924.180 (CNY1,044.3234) 10+ CNY869.450 (CNY982.4785) 20+ CNY852.070 (CNY962.8391)	Min: 5 / Mult: 5	50ohm	25W	RHS Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS5K0E.	1129885 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 5KOHM 25W	Each	1+ CNY662.660 (CNY748.8058) 2+ CNY651.650 (CNY736.3645) 3+ CNY640.630 (CNY723.9119) 5+ CNY629.610 (CNY711.4593) 10+ CNY618.590 (CNY699.0067) More Pricing...	Min: 1 / Mult: 1	5kohm	25W	RHS Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS1K0E	2145772 Data Sheet RoHS	OHMITE Rheostat Wirewound 1 kohm 25 W H Series Panel Mount Flatted	Each	1+ CNY760.720 (CNY859.6136) 2+ CNY737.340 (CNY833.1942) 3+ CNY713.960 (CNY806.7748) 5+ CNY690.580 (CNY780.3554) 10+ CNY667.190 (CNY753.9247) More Pricing...	Min: 1 / Mult: 1	1kohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RJS225E.	1129904 Data Sheet RoHS	OHMITE RHEOSTAT WIREWOUND 225OHM 50W	Each	5+ CNY692.110 (CNY782.0843) 10+ CNY692.100 (CNY782.073) 20+ CNY692.090 (CNY782.0617)	Min: 5 / Mult: 5	225ohm	50W	RJS Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RT025AS2200KB	1141322 Data Sheet RoHS	VISHAY Rheostat Wirewound 220 ohm 25 W RT Series Panel Mount Rotary	Each	1+ CNY2,753.650 (CNY3,111.6245) 5+ CNY2,409.440 (CNY2,722.6672) 10+ CNY1,996.390 (CNY2,255.9207)	Min: 1 / Mult: 1	220ohm	25W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	25mm	-55°C	320°C
RT025AS1000KB	1141320 Data Sheet RoHS	VISHAY Rheostat Wirewound 100 ohm 25 W RT Series Panel Mount Rotary	Each	1+ CNY1,781.110 (CNY2,012.6543) 5+ CNY1,696.820 (CNY1,917.4066) 10+ CNY1,612.530 (CNY1,822.1589)	Min: 1 / Mult: 1	100ohm	25W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	25mm	-55°C	320°C
RT055AS1001KB	1141333 Data Sheet RoHS	VISHAY Rheostat Wirewound 1 kohm 55 W RT Series Panel Mount Rotary	Each	1+ CNY5,938.140 (CNY6,710.0982) 5+ CNY5,898.760 (CNY6,665.5988) 10+ CNY5,859.370 (CNY6,621.0881)	Min: 1 / Mult: 1	1kohm	55W	RT Series	Panel Mount	Rotary	-	± 10%	Solder Lug	36mm	-55°C	320°C
RJS50RE	2145763 Data Sheet RoHS	OHMITE Rheostat Wirewound 50 ohm 50 W J Series Panel Mount Flatted	Each	1+ CNY1,350.070 (CNY1,525.5791) 2+ CNY1,282.190 (CNY1,448.8747) 3+ CNY1,214.310 (CNY1,372.1703) 5+ CNY1,146.430 (CNY1,295.4659) 10+ CNY1,078.550 (CNY1,218.7615) More Pricing...	Min: 1 / Mult: 1	50ohm	50W	J Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS1K0	1050254 Data Sheet	OHMITE Rheostat Wirewound 1 kohm 25 W H Series Panel Mount Flatted	Each	1+ CNY1,280.740 (CNY1,447.2362) 2+ CNY1,120.650 (CNY1,266.3345) 3+ CNY928.540 (CNY1,049.2502) 5+ CNY832.480 (CNY940.7024) 10+ CNY768.440 (CNY868.3372) More Pricing...	Min: 1 / Mult: 1	1kohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder	34.93mm	-	-
RHS50RE	2145770 Data Sheet RoHS	OHMITE Rheostat Wirewound 50 ohm 25 W H Series Panel Mount Flatted	Each	1+ CNY1,088.340 (CNY1,229.8242) 2+ CNY1,033.620 (CNY1,167.9906) 3+ CNY978.900 (CNY1,106.157) 5+ CNY924.180 (CNY1,044.3234) 10+ CNY869.450 (CNY982.4785) More Pricing...	Min: 1 / Mult: 1	50ohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS25RE	2145771 Data Sheet RoHS	OHMITE Rheostat Wirewound 25 ohm 25 W H Series Panel Mount Flatted	Each	1+ CNY1,088.340 (CNY1,229.8242) 2+ CNY1,033.620 (CNY1,167.9906) 3+ CNY978.900 (CNY1,106.157) 5+ CNY924.180 (CNY1,044.3234) 10+ CNY869.450 (CNY982.4785) More Pricing...	Min: 1 / Mult: 1	25ohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS10KE	2145774 Data Sheet RoHS	OHMITE Rheostat Wirewound 10 kohm 25 W H Series Panel Mount Flatted	Each	1+ CNY940.370 (CNY1,062.6181) 2+ CNY892.730 (CNY1,008.7849) 3+ CNY845.080 (CNY954.9404) 5+ CNY797.430 (CNY901.0959) 10+ CNY749.780 (CNY847.2514) More Pricing...	Min: 1 / Mult: 1	10ohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-
RHS100E	2145775 Data Sheet RoHS	OHMITE Rheostat Wirewound 100 ohm 25 W H Series Panel Mount Flatted	Each	1+ CNY740.850 (CNY837.1605) 2+ CNY709.080 (CNY801.2604) 3+ CNY677.310 (CNY765.3603) 5+ CNY645.540 (CNY729.4602) 10+ CNY613.770 (CNY693.5601) More Pricing...	Min: 1 / Mult: 1	100ohm	25W	H Series	Panel Mount	Flatted	-	± 10%	Solder Lug	34.93mm	-	-