ex VAT

Rheostats:

401 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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ComparePrice ForQuantity
1141327

RoHS

Date/Lot Code

Each
1+
£263.750
5+
£202.880
10+
£188.390
Min: 1 / Mult: 1
2.2kohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
1141316

RoHS

Date/Lot Code

Each
1+
£170.100
5+
£166.700
10+
£163.300
Min: 1 / Mult: 1
10ohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
1141336

RoHS

Date/Lot Code

Each
1+
£749.690
5+
£615.820
10+
£603.500
Min: 1 / Mult: 1
10ohm
55W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
36mm
-55°C
320°C
1141312

RoHS

Date/Lot Code

Each
1+
£266.610
5+
£226.820
10+
£222.280
Min: 1 / Mult: 1
1kohm
12W
RT12 Series
Panel Mount
Screwdriver Slot
-
± 10%
Solder Lug
-
-
17mm
-55°C
320°C
4046603

RoHS

Each
1+
£175.350
Min: 1 / Mult: 1
4.5kohm
150W
L Series
Panel Mount
Flatted
High Power
± 10%
Solder Lug
-
-
73.03mm
-
-
1141318

RoHS

Date/Lot Code

Each
1+
£217.340
5+
£188.550
10+
£175.080
Min: 1 / Mult: 1
22ohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
4046576

RoHS

Date/Lot Code

Each
1+
£154.580
5+
£120.700
10+
£112.070
Min: 1 / Mult: 1
50ohm
100W
0
Panel Mount
Flatted
High Power
± 10%
Solder Lug
-
-
66.68mm
-
-
4046557

RoHS

Each
1+
£135.220
5+
£115.230
10+
£106.370
Min: 1 / Mult: 1
0.5ohm
50W
J Series
Panel Mount
Flatted
High Power
± 10%
Solder Lug
-
-
57.16mm
-
-
1141315

RoHS

Date/Lot Code

Each
1+
£225.780
5+
£184.600
10+
£180.910
Min: 1 / Mult: 1
4.7ohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
1141322

RoHS

Date/Lot Code

Each
1+
£208.240
5+
£170.260
10+
£166.850
Min: 1 / Mult: 1
220ohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
1141320

RoHS

Date/Lot Code

Each
1+
£198.780
5+
£193.390
10+
£179.570
Min: 1 / Mult: 1
100ohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
1141333

RoHS

Date/Lot Code

Each
1+
£672.610
5+
£552.500
10+
£541.450
Min: 1 / Mult: 1
1kohm
55W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
36mm
-55°C
320°C
2145763

RoHS

Date/Lot Code

Each
1+
£148.690
Min: 1 / Mult: 1
50ohm
50W
J Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1050412

Date/Lot Code

Each
1+
£100.020
5+
£98.020
10+
£96.020
Min: 1 / Mult: 1
6ohm
50W
J Series
Panel Mount
Flatted
-
± 10%
Solder
-
-
34.93mm
-
-
2145775

RoHS

Date/Lot Code

Each
1+
£67.900
2+
£66.540
3+
£65.180
Min: 1 / Mult: 1
100ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145771

RoHS

Date/Lot Code

Each
1+
£83.440
Min: 1 / Mult: 1
25ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145764

RoHS

Date/Lot Code

Each
1+
£90.620
5+
£80.450
10+
£70.280
Min: 1 / Mult: 1
500ohm
50W
J Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145774

RoHS

Date/Lot Code

Each
1+
£99.260
2+
£86.850
3+
£84.120
5+
£81.380
10+
£78.650
More Pricing...
Min: 1 / Mult: 1
10ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145766

RoHS

Date/Lot Code

Each
1+
£80.170
5+
£75.230
10+
£70.280
Min: 1 / Mult: 1
225ohm
50W
J Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145772

RoHS

Date/Lot Code

Each
1+
£96.160
2+
£84.140
3+
£80.390
5+
£76.640
10+
£72.890
More Pricing...
Min: 1 / Mult: 1
1kohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1129868

RoHS

Date/Lot Code

Each
1+
£76.510
5+
£72.840
10+
£69.190
25+
£62.890
50+
£62.520
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
2145770

RoHS

Date/Lot Code

Each
1+
£91.710
2+
£80.250
3+
£77.960
5+
£75.680
10+
£73.390
More Pricing...
Min: 1 / Mult: 1
50ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1050333

Date/Lot Code

Each
1+
£74.700
2+
£73.210
3+
£71.710
5+
£70.220
Min: 1 / Mult: 1
10ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder
-
-
34.93mm
-
-
157454

RoHS

Each
1+
£356.000
5+
£282.000
10+
£276.000
20+
£271.000
40+
£265.000
More Pricing...
Min: 1 / Mult: 1
5.6ohm
811W
BFA Series
Panel Mount
Top
High Power
± 10%
Screw
405mm
94mm
153mm
-
-
1050254

Date/Lot Code

Each
1+
£96.160
2+
£84.140
3+
£80.390
5+
£76.640
10+
£72.890
More Pricing...
Min: 1 / Mult: 1
1kohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder
-
-
34.93mm
-
-
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