NTC 10K 100K 3950 Kynar Temperature Sensor for EV Battery Monitoring

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NTC 10K 100K 3950 Kynar Temperature Sensor for EV Battery Monitoring

Model：MFE-1 Series
Key Feature：Compact Epoxy Encapsulation
MOQ(Standard)：500 pcs
MOQ(Customized)：TBD
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Weight：0.000KG
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Description

Model：MFE-1 Series
Key Feature：Compact Epoxy Encapsulation

MOQ(Standard)：500 pcs

MOQ(Customized)：TBD

Fucusens Solution

The NTC Temperature Sensor features a 10K or 100K NTC thermistor with a 3950 Beta value and durable Kynar insulation, providing accurate and stable temperature measurement for EV battery packs, BMS and automotive thermal management. Custom probe dimensions, cable lengths and connectors are available to meet different installation requirements.

Our Capability	Value for Equipment Manufacturers	Value for Distributors / Importers
Compact epoxy encapsulated design	Fits into limited installation space → easier product integration	Covers more compact HVAC and electronic applications
Cost-effective sensor construction	Helps reduce component cost in volume production	More competitive positioning for high-volume markets
NTC thermistor sensing element	Widely used for temperature monitoring and control	Easy to match common customer requirements
IP66 protection	Protection against dust and water jets for suitable applications	Broader coverage for HVAC and environmental sensing projects
High mechanical strength	Better protection for the sensing element during assembly and use	Fewer mechanical damage complaints
High reliability and long-term stability	More stable temperature measurement over time	Better repeat-order potential
Custom dimensions	Sensor can be designed around available installation space	Easier to serve different OEM customers
Custom mounting, sensing element and material	Better integration with your product design	Greater ability to accept non-standard projects

Typical Application:

HVAC Temperature Control Systems
Accurate temperature monitoring and thermal regulation for HVAC equipment, air conditioners, heat pumps, and ventilation systems.

Ambient Environment Temperature Monitoring
Reliable ambient temperature sensing for weather stations, smart buildings, environmental monitoring, and outdoor measurement devices.

Greenhouse Climate Monitoring Systems
Continuous temperature monitoring for greenhouse climate control, improving crop growth conditions and agricultural efficiency.

Industrial Equipment Temperature Detection
Real-time temperature detection for motors, transformers, industrial machinery, and automation control systems.

HVAC Temperature Control Systems
Accurate temperature monitoring and thermal regulation for HVAC equipment, air conditioners, heat pumps, and ventilation systems.

Ambient Environment Temperature Monitoring
Reliable ambient temperature sensing for weather stations, smart buildings, environmental monitoring, and outdoor measurement devices.

Greenhouse Climate Monitoring Systems
Continuous temperature monitoring for greenhouse climate control, improving crop growth conditions and agricultural efficiency.

Industrial Equipment Temperature Detection
Real-time temperature detection for motors, transformers, industrial machinery, and automation control systems.

Technical Data

Parameter	Specification	Notes
Product	Epoxy Encapsulated Temperature Sensor	Compact temperature sensing assembly
Series	MFE-2 Series	Cost-effective compact sensor series
Sensing Element	NTC Thermistor	Standard popular sensing element
Temperature Range	-30°C to +105°C	Standard specified range
Waterproof / Dustproof Rating	IP66	Protection against dust and water jets
Encapsulation Type	Epoxy Encapsulation	Compact and economical construction
Response Time	T0.63 = 30 s in water at 0.4 m/s	Under specified test conditions
Dissipation Factor	2.5 mW/°C	Standard technical data
Long-Term Stability	Drift ≤3% after 1,000 h heat/cold storage at 80°C / -30°C	Based on specified storage conditions
Dielectric Strength	1500 VAC	Electrical insulation performance
Insulation Resistance	100 MΩ @ 500 VDC	High insulation resistance
Sensor Size	Customizable	According to available installation space
Mounting Type	Customizable	According to application
Sensing Type	Customizable	NTC and other sensing elements according to project needs
Material	Customizable	According to application conditions

Incoming Material Inspection

· NTC thermistor elements are checked according to the required electrical specifications.

· Epoxy encapsulation materials are inspected before production.

· Lead wires and terminals are checked according to customer requirements.

· Customized sensing elements are verified against approved specifications.

Process Control

· Thermistor-to-wire connections are properly secured before encapsulation.

· Epoxy dispensing and curing are controlled to achieve consistent encapsulation.

· Sensor dimensions are checked against approved drawings.

· Customized mounting structures are produced according to confirmed specifications

Finished Product Inspection

Test Item	Specification	Purpose
NTC Resistance	According to confirmed NTC specification	Verify electrical compatibility
Waterproof / Dustproof	IP66	Confirm protection performance
Response Time	T0.63 = 30 s in water at 0.4 m/s	Verify thermal response under specified conditions
Insulation Resistance	100 MΩ @ 500 VDC	Verify electrical insulation
Dielectric Strength	1500 VAC	Check insulation reliability
Appearance	Epoxy encapsulation complete and free from obvious defects	Ensure consistent encapsulation
Dimensions	According to approved drawing	Ensure installation compatibility

If You Are an Equipment Manufacturer / OEM

Common Problem	What It Means for Your Business
Standard sensors take up too much installation space	Compact HVAC controllers, air ducts or electronic assemblies often have limited mounting space, making large sensor housings difficult to install.
Sensor cost is too high for volume production	When a temperature sensor is used in large quantities, unnecessary housing or sealing structures can significantly increase total purchasing cost.
Temperature readings drift over time	Poor encapsulation or unstable sensing elements can cause resistance drift and affect temperature control performance.
Standard sensor dimensions do not fit your design	Different products require different sensor sizes, mounting positions and cable configurations.
Mechanical protection is insufficient	Exposed thermistors or weak encapsulation can be damaged during assembly, handling or long-term use.
You need a customized sensor, but suppliers only offer standard models	Your engineering team has to redesign the product around the sensor instead of having the sensor designed around your application.

If You Are a Distributor / Importer

Common Problem	What It Means for Your Business
Customers require many different NTC specifications	Different HVAC and environmental monitoring customers may use different resistance values, B values and dimensions.
Standard products are difficult to differentiate	When every supplier offers the same basic probe, price competition becomes more intense.
Your supplier cannot handle custom projects	You may lose OEM customers that require special sensor sizes, mounting methods or materials.
Product cost is too high for price-sensitive markets	Complex sensor structures may make it difficult to compete in high-volume HVAC and ambient temperature applications.
Inconsistent quality creates repeated customer complaints	Resistance drift or mechanical damage can reduce customer confidence and repeat orders.

Comparison	Typical Standard Sensor	MFE-2 Series	Value to Your Business
Sensor Structure	Larger or more complex housing	Compact epoxy encapsulation	Saves installation space
Cost	Higher structural cost	Cost-effective design	Better suited for volume production
Protection	Basic component protection	IP66	Improved environmental protection
Sensing Element	Fixed thermistor specification	NTC thermistor selected according to application	Better electrical compatibility
Sensor Size	Standard size only	Custom size available	Fits existing product design
Mounting	Limited mounting options	Custom mounting design	Easier assembly
Mechanical Strength	Depends on housing	High mechanical strength	Better resistance to handling and assembly stress
Long-Term Stability	Varies by supplier	High reliability and long-term stability	Reduced risk of resistance drift
Material Options	Limited	Material can be customized	Better application flexibility
Customization	Limited	Size, mounting, sensing type and material can be customized	Better support for OEM/ODM projects

Q1: What is an epoxy encapsulated NTC temperature sensor?

A: An epoxy encapsulated NTC sensor uses epoxy resin to protect and insulate the thermistor sensing element. Compared with larger probe structures, it offers a compact and cost-effective solution for HVAC and ambient temperature measurement.

Q2: What is the protection rating of the MFE-2 Series?

A: The specified waterproof and dustproof rating is IP66. If your application has special exposure conditions, please provide details before selecting the sensor structure.

Q3: What temperature range does the MFE-2 support?

A: The specified operating temperature range is -30°C to +105°C.

Q4: Can you customize the sensor dimensions?

A: Yes. Sensor size, mounting type, sensing type and material can be customized according to the application conditions.

Q5: What NTC resistance should I choose?

A: That depends on your control circuit. Please provide R25 resistance, B value and resistance tolerance. If you are replacing an existing sensor, send us its datasheet or R-T table.

Q6: Can you customize the mounting structure?

A: Yes. Mounting requirements can be customized according to your installation conditions and available space.

Q7: Is epoxy encapsulation suitable for HVAC?

A: Yes. Its compact size and cost-effective construction make it suitable for many HVAC and ambient temperature sensing applications. Final selection should still be based on the actual operating environment.

Q8: Can you supply different NTC specifications?

A: Yes. The sensing element can be selected according to project requirements. Please provide the required resistance, B value and tolerance.

Q9: Can you make different sensor sizes for different customers?

A: Yes. Customization flexibility is one of the main advantages of the MFE-2 Series.

Q10: Can you replace an existing customer sensor?

A: Yes. Send us the existing drawing, datasheet, photos, NTC parameters or sample. We can compare the electrical and mechanical requirements.

Q11: Why choose epoxy encapsulation instead of a larger probe?

A: If the application does not require a heavy-duty metal probe or higher-level sealing structure, epoxy encapsulation can offer a better balance of cost, compact size, mechanical protection and customization.

Q12: What information do you need for a quotation?

A: For a faster quotation, please provide the application, NTC specification, operating temperature, sensor dimensions, mounting requirement, cable/connection and quantity.

Q13: Can I test samples before mass production?

A: Yes. For customized sensors, sample testing is recommended to confirm electrical parameters, dimensions, installation fit and actual application performance before volume production.