Thermal Reed Switches:

142 Products Found

Thermal Reed Switch is a type of temperature sensor/switch used for energy conservation. Its unique proprietary design features a magnet and a temperature-sensing soft ferromagnetic substance called Thermorite®. The material’s magnetic flux density decreases as the temperature increases turning it into a paramagnetic substance at the Curie temperature. It’s a proprietary technology designed by Tokin/Kemet.

Thermal Reed Sensors/Switches uses special alloy magnets that cut off and required temperatures. These devices can be used to accurately sense temperature changes in solids, semi-solids, liquids, or gases, and can switch low level signal loads of up to 10W. Unlike bi-metallic strips, the switching point is unaffected by the load current and the switching temperature is highly repeatable between 1°C to 3°C. Thermal Reed Sensors can also be used to switch signal loads as low as 10 micro-amps.

key features of the Thermal Reed Switches

  • High Reliability for multiple on/off operations
  • Excellent response to temperature changes
  • Long Operational Life
  • Compact, Light and easy to install and handle
  • Wide Operating Temperature
  • UL & CSA approvals

Applications of Thermal Reed Sensors/Switches

  • Over temperature detection and control in electrical appliances
  • Heat-retention heater control in rice cookers
  • Defrost control in air conditioners and vending machines
  • Radiator water temperature detection and fan control
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Switching Temperature
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Thermal Reed Switch Contact Type
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Thermal Reed Switch Terminals
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2985740

RoHS

Each
1+
RM63.320
10+
RM50.850
25+
RM48.380
100+
RM43.440
Min: 1 / Mult: 1
70°C
± 2.5°C
Make
Axial
Cables
TRS Series
0.15ohm
35W AC / 10W DC
140 VAC / 200 VDC
1mA
500mA
10°C
-
2817319

RoHS

Each
1+
RM24.690
10+
RM24.330
25+
RM23.960
50+
RM23.220
100+
RM22.820
More Pricing...
Min: 1 / Mult: 1
60°C
± 5°C
Make
Radial Tab
Tab Leads
OHD Series
0.15ohm
6W AC / DC
110 VAC / VDC
100µA
300mA
10°C
CSA, TUV, UL
2985708

RoHS

Each
1+
RM31.370
15+
RM30.110
30+
RM28.860
Min: 1 / Mult: 1
100°C
± 5°C
Make
Axial
Wire Leads
OHD Series
0.15ohm
6W AC / DC
110 VAC / VDC
100µA
300mA
10°C
CSA, TUV, UL
2985760

RoHS

Each
1+
RM64.280
50+
RM49.190
100+
RM43.440
Min: 1 / Mult: 1
90°C
± 2.5°C
Break
Axial
Cables
TRS Series
0.15ohm
60.5W AC
264 VAC
1mA
275mA
10°C
-
2817348

RoHS

Each
1+
RM65.130
13+
RM62.820
25+
RM61.970
Min: 1 / Mult: 1
50°C
± 2.5°C
Break
Axial
Cables
TRS Series
0.15ohm
60.5W AC
264 VAC
1mA
275mA
10°C
UL
2817353

RoHS

Each
1+
RM48.610
10+
RM43.780
Min: 1 / Mult: 1
90°C
± 2.5°C
Break
Axial
Cables
TRS Series
0.15ohm
50W AC
140 VAC
1mA
500mA
10°C
CSA, UL
2985732

RoHS

Each
1+
RM37.000
25+
RM35.880
50+
RM34.770
Min: 1 / Mult: 1
115°C
± 5°C
Break
Radial
Wire Leads
OHD Series
0.3ohm
1W DC
30 VDC
100µA
100mA
10°C
CSA, TUV, UL
2817352

RoHS

Each
1+
RM69.170
13+
RM65.640
25+
RM64.400
Min: 1 / Mult: 1
80°C
± 2.5°C
Break
Axial
Cables
TRS Series
0.15ohm
60.5W AC
264 VAC
1mA
275mA
10°C
UL
2985733

RoHS

Each
1+
RM59.960
10+
RM48.680
120+
RM39.640
Min: 1 / Mult: 1
20°C
± 2.5°C
Break
Axial
Wire Leads
TRS Series
0.15ohm
60.5W AC / 10W DC
140 VAC / 200 VDC
1mA
550mA
10°C
-
2985741

RoHS

Each
1+
RM45.990
10+
RM43.440
Min: 1 / Mult: 1
80°C
± 2.5°C
Make
Axial
Cables
TRS Series
0.15ohm
35W AC / 10W DC
140 VAC / 200 VDC
1mA
500mA
10°C
-
3703867

RoHS

Each
1+
RM186.060
10+
RM157.040
20+
RM144.770
Min: 1 / Mult: 1
85°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703887

RoHS

Each
1+
RM186.060
10+
RM157.040
20+
RM144.770
Min: 1 / Mult: 1
85°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703891

RoHS

Each
1+
RM186.320
10+
RM157.290
20+
RM144.770
Min: 1 / Mult: 1
105°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703893

RoHS

Each
1+
RM186.320
10+
RM157.290
20+
RM144.770
Min: 1 / Mult: 1
115°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703886

RoHS

Each
1+
RM186.060
10+
RM157.040
20+
RM144.770
Min: 1 / Mult: 1
80°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703872

RoHS

Each
1+
RM186.060
10+
RM157.040
20+
RM144.770
Min: 1 / Mult: 1
110°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703890

RoHS

Each
1+
RM186.060
10+
RM157.040
20+
RM144.770
Min: 1 / Mult: 1
100°C
± 3°C
Break
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
3703896

RoHS

Each
1+
RM186.060
10+
RM157.040
20+
RM144.770
Min: 1 / Mult: 1
85°C
± 3°C
Make
Screw-In
Tab Leads
TRS Series
0.5ohm
10W DC
100VDC
5mA
500mA
10°C
-
2817318

RoHS

Each
1+
RM25.610
10+
RM25.380
25+
RM23.540
50+
RM22.670
100+
RM21.460
More Pricing...
Min: 1 / Mult: 1
60°C
± 5°C
Break
Radial Tab
Tab Leads
OHD Series
0.15ohm
6W AC / DC
110 VAC / VDC
100µA
300mA
10°C
CSA, TUV, UL
2817303

RoHS

Each
1+
RM27.430
10+
RM25.480
25+
RM25.420
50+
RM25.350
100+
RM24.170
More Pricing...
Min: 1 / Mult: 1
110°C
± 5°C
Make
Radial Tab
Tab Leads
OHD Series
0.15ohm
6W AC / DC
110 VAC / VDC
100µA
300mA
10°C
CSA, TUV, UL
2817310

RoHS

Each
1+
RM23.860
25+
RM23.160
50+
RM22.450
Min: 1 / Mult: 1
40°C
± 5°C
Break
Radial Tab
Tab Leads
OHD Series
0.15ohm
6W AC / DC
110 VAC / VDC
100µA
300mA
10°C
CSA, TUV, UL
2817344

RoHS

Each
1+
RM29.840
10+
RM25.790
25+
RM24.480
50+
RM23.880
100+
RM22.770
More Pricing...
Min: 1 / Mult: 1
90°C
± 5°C
Break
Radial
Wire Leads
OHD Series
0.3ohm
1W DC
30 VDC
100µA
100mA
10°C
CSA, TUV, UL
2985738

RoHS

Each
1+
RM70.180
10+
RM56.420
25+
RM53.660
100+
RM46.780
500+
RM44.030
More Pricing...
Min: 1 / Mult: 1
50°C
± 2.5°C
Make
Axial
Cables
TRS Series
0.15ohm
35W AC / 10W DC
140 VAC / 200 VDC
1mA
500mA
10°C
-
2985762

RoHS

Each
1+
RM47.300
10+
RM38.400
100+
RM31.230
Min: 1 / Mult: 1
30°C
± 2.5°C
Break
Axial
Wire Leads
TRS Series
0.15ohm
60.5W AC / 10W DC
140 VAC / 200 VDC
1mA
550mA
10°C
-
2817314

RoHS

Each
1+
RM24.010
10+
RM23.640
25+
RM23.270
50+
RM22.550
100+
RM21.850
More Pricing...
Min: 1 / Mult: 1
50°C
± 5°C
Break
Radial Tab
Tab Leads
OHD Series
0.15ohm
6W AC / DC
110 VAC / VDC
100µA
300mA
10°C
CSA, TUV, UL
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