Home Appliances Sensor Assemblies

Below are some examples of SEMITEC home appliance sensor solutions. Applications include: Refrigerator/Freezer, evaporator frost formation control, warm water bidets, microwave ovens, rice cookers, etc.

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No.17 Air Conditioning (Copper Pipe Sensor)

Features: A temperature sensor encased in copper suitable for a wide range of applications.

Thermistor resistance (R55) Thermistor B-value (25/50) Operating Temperature range
 14.05kΩ±3% at 55℃  4120K±2%  -20℃~80℃

Thermal Time Constant: approx. 8 sec. (in stirred water)
Breakdown Voltage: AC 2200V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.18 Air Conditioning (Dip Sensor)

Features: Epoxy encapsulated temperature sensor suitable for measuring room temperature.

Thermistor resistance (R25) Thermistor B-value (25/50) Operating Temperature range
 10.0kΩ±3% at 25℃  3950K±2%  -20℃~80℃

Thermal Time Constant: ca. 5 sec. (in stirred water)
Breakdown Voltage: AC 2200V 1sec.
Insulation Resistance: DC 500V 100MΩ+

No.19 Refrigerator (Resin Pipe Sensor)

Features: A temperature sensor encased in resin tubing suitable for accurate measurement in lower temperature applications.

Thermistor resistance (R25) Thermistor B-value (25/85) Operating Temperature range
 10.0kΩ±1% at 25℃  3435K±1%  -30℃~90℃

Thermal Time Constant: approx. 20 sec.
Breakdown Voltage: AC 1800V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.20 Refrigerator (Thermopile Module)

Features: A non contact IR sensor module capable of accurate and easy temperature measurement, suitable for a wide range of applications.

Measured temperature Output voltage Measuring temp. range Operating Temperature range
0℃±3.0℃  0.547V~3.453V  -35℃~+35℃  -35℃~+35℃ 

Response time: approx. 10 ms
Field of View: type 55
Rated voltage : +5.5V

No.21 Microwave Oven (Flange Pipe Sensor)

Features: Easy to mount and high heat resistant temperature sensor with integrated flange.

Thermistor resistance (R50) Thermistor B-value (0/100) Operating Temperature range
 4.367kΩ±5% at 50℃  3450K±3%  -30℃~180℃(Sensor head)

Thermal Time Constant: approx. 80 sec.
Breakdown Voltage: AC 1200V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.22 Microwave Oven (Screw Mount Sensor )

Features: High heat resistant screw mount type temperature sensor with metal terminal.

Thermistor resistance (R75) Thermistor B-value (0/100) Operating Temperature range
 7.241kΩ±7% at 75℃  3970K±2%  -20℃~200℃

Thermal Time Constant: approx. 9 sec. (room temperature)
Breakdown Voltage: AC 1200V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.23 Water Heater / Warm Water Toilet Seat (SUS 3 level Pipe Sensor)

Features: A temperature sensor with excellent response time, encased in thin-tip SS pipe suitable for water temperature measurement.

Thermistor resistance (R50) Thermistor B-value (0/100) Operating Temperature range
 17.60kΩ±3% at 50℃  3970K±2%  -20℃~120℃

Thermal Time Constant: under 1 sec. (in stirred water)
Breakdown Voltage: AC 1200V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.24 Water Heater / Warm Water Toilet Seat (SUS Pipe Sensor)

Features: A temperature sensor encased in SS pipe, suitable for water temperature measurement.

Thermistor resistance (R40) Thermistor B-value (0/100) Operating Temperature range
20.06kΩ±3% at 40℃ 3970K±2% -20℃~80℃

Thermal Time Constant: ca. 3.6 sec. (in stirred water)
Breakdown Voltage: AC 1500V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.25 Power Conditioner (Screw Mount Sensor)

Features: Resin molded screw mount type temperature sensor with excellent insulation.

Thermistor resistance (R25) Thermistor B-value (25/85) Operating Temperature range
 20.00kΩ±1% at 25℃  4013K±1%  -40℃~105℃

Thermal Time Constant: approx. 80 sec.
Breakdown Voltage: AC 2400V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.26 Rechargeable Battery (Dip Sensor (AR) )

Features: Epoxy encapsulated temperature sensor with high reliability.

Thermistor resistance (R55) Thermistor B-value (25/85) Operating Temperature range
 14.05kΩ±1.5% at 55℃  4120K±1%  -30℃~105℃

Thermal Time Constant: approx. 80 sec.
Breakdown Voltage: AC 2400V 1 sec.
Insulation Resistance: DC 500V 100MΩ+

No.27 Fire Alarm (Dip Sensor)

Features: Epoxy coated temperature sensor with excellent response time

Thermistor resistance (R25) Thermistor B-value (25/85) Operating Temperature range
 226.0kΩ±3% at 25℃  4021K±1%  -40℃~100℃

Thermal Time Constant: approx. 18 sec.
Breakdown Voltage: AC 600V1 sec.
Insulation Resistance: DC 500V 100MΩ+