Anti-Corrosion Epoxy Resin Encapsulated 20K 3950B NTC Thermistor, Fast Sensing Speed, Stable Resistance For Smart Home And HVAC Temperature Controller

Product Description

This anti-corrosion epoxy resin encapsulated NTC thermistor is designed for smart home and HVAC applications where stable temperature sensing is required in indoor and semi-indoor environments. It has a nominal resistance of 20K Ohm at 25°C and a B-value of 3950K, providing good sensitivity for ambient temperature detection. The epoxy resin coating protects the internal chip from moisture, dust, sulfur dioxide and other corrosive gases.

The thermistor is commonly used in smart thermostats, HVAC controllers, fan coil units, ventilation systems, air conditioners and building automation equipment. It responds quickly to changes in air temperature and sends accurate resistance signals to the control system, allowing the thermostat to maintain a comfortable indoor temperature.

The axial tinned leads make it easy to solder onto PCBs or connect to wiring terminals. The compact epoxy body can be placed inside small controller housings, making it suitable for miniaturized smart home products. We offer different tolerance grades, lead lengths and epoxy body sizes to meet various controller designs.

Product Features

• 20KΩ nominal resistance at 25°C
• B-value 3950K
• Anti-corrosion epoxy resin encapsulation
• Fast sensing speed
• Stable resistance performance
• Tinned axial leads
• Compact size
• Suitable for PCB mounting
• Customizable lead length

Typical Applications

• Smart thermostats
• HVAC controllers
• Fan coil units
• Ventilation systems
• Air conditioners
• Building automation
• Indoor temperature sensors
• Smart home devices

Technical Specifications

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Advantages & Selling Points

The anti-corrosion epoxy coating is the main advantage of this model. It makes the thermistor more durable in environments with corrosive gases or high humidity. For smart home and HVAC manufacturers, this helps improve product reliability and reduce failure rates.

FAQ

Q1: Can this be used for room temperature detection? A: Yes, it is suitable for ambient temperature detection in smart thermostats and HVAC controllers.

Q2: What lead lengths are available? A: Standard lead lengths are available, and custom lengths can be provided according to your design.

Q3: Is this compatible with wave soldering? A: Yes, the axial lead structure is suitable for through-hole soldering processes.