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.
No.17 Air Conditioning (Copper Pipe Sensor)
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)
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)
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)
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)
Thermistor resistance (R50) | Thermistor B-value (0/100) | Operating Temperature range |
4.367kΩ±5% at 50℃ | 3435K±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 )
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)
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)
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)
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) )
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)
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+