Epoxy Resin NTC Thermistor 100K 4200 For Upscale Hotel Fire Alarm Dip Temperature Sensor
I Features Of The Epoxy Resin NTC Thermistor 100K 4200
* Highly responsive temperature sensor that has been dipped in epoxy resin
* Temperature sensor designs according to device of fire alarm
* Chip from Shibaura NTC thermistor
* Epoxy-coated so it can resist humidity
* Good coherence and stability, high humidity and durability
* Enjoys a large sale in China, the US and Japan
II Advantage Of The Epoxy Resin NTC Thermistor 100K 4200
1. Novel structure, superior performance and high quality
2. High sensitivity and fast response time
3. Good sealing performance, strong adhesion, moisture-proof and anti-corrosion
4. Large-scale production, high cost performance, high quality and low price
III Dimensional Drawing Of The Epoxy Resin NTC Thermistor 100K 4200(Unit:mm)
| NO | Material Name | Item/PN |
| 2-1. | Element | R25=100KΩ±1% B25/50=4200K±1% DC |
| 2-2. | Coating | Resin (Black) |
| 2-3. | Lead Wire | Stents |
IV Electrical Performances Of The Epoxy Resin NTC Thermistor 100K 4200
| NO | Item | Sign | Test Conditions | Min. | Normal value | Max. | Unit |
| 4-1. | Resistance at 25℃ | R25 | Ta=25±0.05℃ PT≦0.1mw | 99.0 | 100.0 | 101.0 | kΩ |
| 4-2. | B Value | B25/50 |
| 4158.0 | 4200 | 4242.0 | k |
| 4-3. | Dissipation factor | σ | Ta=25±0.5℃ | ≧0.9 | mW/℃ |
| 4-4. | Time constant | τ | Ta=25±0.5℃ | ≦15 | sec |
| 4-5. | Maximum rated power | P | / | ≦25 | mW |
| 4-6. | Operating temp.range | / | / | -40 | / | +125 | ℃ |
V Thermistor application example Of The Epoxy Resin NTC Thermistor 100K 4200
Thermistors serve a crucial role in temperature detection. For example, thermistor temperature detection
can be used in fire alarms to detect fires based on a sudden change in temperature. Unlike photoelectric
detectors or ionization alarms, thermistors only require heat to activate.
1. Upscale hotel room
2. Smart home products
Temperature measurement for home electronics (fire alarm)
VI Thermistor Temperature Detection in Fire Alarms
The thermistor method, unlike the previous examples, uses heat detection to activate. The alarm activates
once the thermistor detects a high temperature. Thermistor temperature detection doesn’t require smoke
to activate and has fewer false alarms. The thermistor uses the ambient temperature of a building and
will only activate when that temperature increases exponentially. The thermistor method is reliable in this
fire alarm example as there would be few false alarms and a quicker alert rate, but the thermistor method
is also versatile.
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