Rheostats:

46 Products Found
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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24M7077

RoHS

Date/Lot Code

Each
1+
$1,438.850
5+
$1,329.020
10+
$1,219.190
Min: 1 / Mult: 1
-
10kohm
55W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
36mm
-55°C
320°C
24M7065

RoHS

Date/Lot Code

Each
1+
$349.770
5+
$340.680
10+
$331.570
Min: 1 / Mult: 1
-
10kohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
24M7069

RoHS

Date/Lot Code

Each
1+
$538.430
5+
$473.620
10+
$408.790
Min: 1 / Mult: 1
-
2.2kohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
24M7071

RoHS

Date/Lot Code

Each
1+
$396.710
5+
$366.700
10+
$336.680
Min: 1 / Mult: 1
-
22ohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
24M7060

RoHS

Date/Lot Code

Each
1+
$559.400
Min: 1 / Mult: 1
-
1kohm
12W
RT12 Series
-
Panel Mount
Screwdriver Slot
-
-
± 10%
Solder Lug
-
-
17mm
-55°C
320°C
64K5852

RoHS

Date/Lot Code

Each
1+
$409.940
5+
$397.470
10+
$384.990
25+
$374.320
Min: 1 / Mult: 1
-
15ohm
150W
L Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
50.8mm
-
-
64K5659

RoHS

Date/Lot Code

Each
1+
$150.580
5+
$141.560
10+
$132.540
25+
$122.730
50+
$119.130
More Pricing...
Min: 1 / Mult: 1
-
100ohm
12.5W
E Series
-
Panel Mount
Round Shaft
-
-
± 10%
Solder Lug
-
-
17.46mm
-
-
64K5838

RoHS

Date/Lot Code

Each
1+
$361.430
Min: 1 / Mult: 1
-
5ohm
100W
K Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
44.45mm
-
-
64K5696

RoHS

Date/Lot Code

Each
1+
$56.660
5+
$56.660
10+
$56.660
Min: 1 / Mult: 1
-
200ohm
75W
G Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
44.45mm
-
-
64K5794

RoHS

Date/Lot Code

Each
1+
$167.250
5+
$166.960
10+
$166.670
25+
$163.400
50+
$160.200
More Pricing...
Min: 1 / Mult: 1
-
10kohm
50W
J Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
34.93mm
-
-
48AK5832

RoHS

Date/Lot Code

Each
1+
$422.270
Min: 1 / Mult: 1
-
4.5kohm
150W
L Series
-
Panel Mount
Flatted
-
High Power
± 10%
Solder Lug
-
-
73.03mm
-
-
70AK9377

RoHS

Date/Lot Code

Each
1+
$350.660
5+
$326.630
10+
$302.590
Min: 1 / Mult: 1
-
50ohm
100W
K Series
-
Panel Mount
Flatted
-
High Power
± 10%
Solder Lug
-
-
66.68mm
-
-
90AK4994

RoHS

Date/Lot Code

Each
1+
$267.070
5+
$250.410
10+
$233.740
25+
$233.710
50+
$233.700
Min: 1 / Mult: 1
-
0.5ohm
50W
J Series
-
Panel Mount
Flatted
-
High Power
± 10%
Solder Lug
-
-
57.16mm
-
-
64K5752

RoHS

Date/Lot Code

Each
1+
$158.810
5+
$150.370
10+
$141.920
25+
$141.630
50+
$141.350
More Pricing...
Min: 1 / Mult: 1
-
250ohm
25W
H Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
34.93mm
-
-
64K5754

RoHS

Date/Lot Code

Each
1+
$183.150
5+
$164.730
10+
$146.320
25+
$133.620
50+
$124.690
More Pricing...
Min: 1 / Mult: 1
-
3ohm
25W
H Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
34.93mm
-
-
64K5678

RoHS

Date/Lot Code

Each
1+
$179.910
5+
$168.420
10+
$156.910
25+
$140.350
50+
$132.990
More Pricing...
Min: 1 / Mult: 1
-
50ohm
12.5W
E Series
-
Panel Mount
Round Shaft
-
-
± 10%
Solder Lug
-
-
17.46mm
-
-
64K5739

RoHS

Date/Lot Code

Each
1+
$113.980
5+
$110.760
10+
$105.740
25+
$103.700
50+
$102.450
More Pricing...
Min: 1 / Mult: 1
-
1kohm
25W
H Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
34.93mm
-
-
64K5647

RoHS

Date/Lot Code

Each
1+
$57.370
5+
$57.370
10+
$57.370
25+
$57.370
50+
$57.370
Min: 1 / Mult: 1
-
50ohm
12.5W
E Series
-
Panel Mount
Screwdriver Slot
-
-
± 10%
Solder Lug
-
-
17.46mm
-
-
64K5813

RoHS

Date/Lot Code

Each
1+
$230.310
5+
$213.200
10+
$196.090
Min: 1 / Mult: 1
-
50ohm
50W
J Series
-
Panel Mount
Flatted
-
-
± 10%
Solder Lug
-
-
34.93mm
-
-
13P3573
Each
1+
$29.280
5+
$28.210
10+
$27.210
25+
$25.940
50+
$25.000
More Pricing...
Min: 4 / Mult: 1
400ohm
400ohm
25W
Dividohm 210 Series
625V
Panel Mount
Slide
± 260ppm/°C
High Power, Flame Proof
± 10%
Solder Lug
Wirewound
50.8mm
-
-
-
24M7078

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
10kohm
55W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
36mm
-55°C
320°C
24M7073

RoHS

Date/Lot Code

Each
1+
$443.960
Min: 1 / Mult: 1
-
4.7ohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
24M7066

RoHS

Date/Lot Code

Each
1+
$513.210
5+
$488.530
10+
$463.860
Min: 1 / Mult: 1
-
100ohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
24M7064

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
1kohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
24M7075

RoHS

Date/Lot Code

Each
Pricing is unavailable. Please contact customer services.
-
470ohm
25W
RT Series
-
Panel Mount
Rotary
-
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
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