Whether you are an appliance manufacturer, OEM, distributor or importer, Focusens Overmoulding NTC temperature sensors can be customized around your actual application.

Technical Data

Sensor Construction & Selection Guide

3 Common Mistakes When Selecting a Clamp-Mount NTC Sensor

We Don't Just Say 'Good Quality' - We Focus on the Details That Affect Sensor Reliability.

Incoming Material Inspection

· TPE and PVC overmolding materials are inspected before production.

· Lead wires are checked for electrical and insulation performance.

· Connectors and terminals are verified against customer specifications.

Process Control

· Critical NTC-to-wire connections are properly insulated and protected.

· Overmolding quality is controlled to ensure complete encapsulation.

· Special attention is given to the sensing end and cable exit, where moisture ingress is most likely to occur.

· Customized sensors are manufactured according to approved drawings and specifications.

Finished Product Inspection

If You Are an Equipment Manufacturer / OEM

Common Problem	What It Means for Your Business
Moisture causes sensor failures	Condensation, humidity or water exposure can penetrate poorly sealed sensors, causing resistance drift, unstable readings or complete failure.
Temperature readings become unstable over time	Sensor drift can affect temperature control accuracy and overall appliance performance.
Standard sensors do not fit your installation	Different appliances require different sensor dimensions, mounting structures and cable configurations
Poor insulation creates reliability risks	In humid environments, insufficient insulation may lead to unstable signals or electrical failures.
The sensor cannot withstand mechanical stress	Pulling, vibration and repeated assembly can damage poorly protected sensing elements and cable joints.
Cable or connector does not match your system	Extra wiring or connector modification increases assembly time and production cost.

If You Are a Distributor / Importer

Common Problem	What It Means for Your Business
One standard sensor cannot cover different customer requirements	Your customers may require different NTC values, dimensions, cable lengths, connectors and mounting designs.
Waterproof failures lead to customer complaints	Sensors used in refrigerators, washing machines and water heaters must withstand humid or wet operating conditions.
Your current supplier offers limited customization	You lose projects when customers request special dimensions, housings or connectors.
Limited product options restrict your market	A fixed sensor design makes it difficult to serve different appliance manufacturers.
Technical problems are difficult to solve	When customers report resistance drift, water ingress or connection failures, you need a supplier that can help identify the root cause.

Sample Support

Sample Validation Before Mass Production

Electrical Compatibility -> Dimensions -> Mounting Fit -> Cable Length -> Connector Compatibility -> Waterproof Performance

This helps identify potential problems before the sensor enters your production line.

Quality Assurance

Item	Our Approach
Electrical Parameters	Manufactured according to confirmed specifications
Waterproof Requirement	IP67 standard; IP68 available on request
Customized Dimensions	Production according to approved drawings
Quality Issues	Technical analysis and corrective solution
Batch Consistency	Production and inspection based on confirmed specifications

MOQ & Lead Time

Item	Details
Standard Product MOQ	Contact us for current MOQ
Customized Product MOQ	Depends on customization requirements
Standard Product Lead Time	Contact us for current production schedule
Custom Lead Time	Depends on tooling, housing, cable and connector requirements
Sample Lead Time	Confirmed after specification review

Cooperation Process:Application Review -> Specification Confirmation -> Drawing Approval -> Sample Testing -> Pilot Order -> Mass Production

About Us

We specialize in temperature sensing solutions for appliances and industrial equipment, providing standard and customized NTC and RTD temperature sensors for OEM/ODM projects.

For Appliance & Equipment Manufacturers

Q1: What NTC resistance and B value should I choose?

The correct NTC specification depends on your controller and required resistance-temperature curve. If you already have a sensor, send us its R25 resistance, B value, tolerance or R-T table. We can help match the sensing element.

Q2: Is the MFE-1 Series waterproof?

Yes. IP67 is the standard protection rating, and IP68 is available on request depending on the application and sensor design.

Q3: What is an Overmoulding NTC temperature sensor?

An Overmoulding NTC temperature sensor uses molded insulating material around the sensing element and cable connection to create an integrated protective structure. It provides waterproofing, electrical insulation and mechanical protection, making it particularly suitable for home appliances and humid environments.

Q4: Can you customize the sensor according to my drawing?

Yes. We can customize the sensor dimensions, mounting structure, NTC thermistor, overmolding material, cable and connector. Send us your drawing, specification or existing sensor sample for evaluation.

Q5: Should I choose TPE or PVC?

Both TPE and PVC are standard material options. The appropriate material depends on operating temperature, flexibility, mechanical requirements and environmental conditions. Send us your application details and we can help evaluate the suitable option.

Q6: Can you provide different connectors?

Yes. Different connector options are available. Send us the connector model, mating connector information, drawing or clear photos, and we can check compatibility.

Q7: Can this NTC sensor be used in wet environments?

Yes, depending on the required protection level. The standard MFE-1 Series is IP67 rated, while IP68 is available on request. Please tell us whether your application involves condensation, water splash, temporary water exposure or other wet conditions so that we can recommend the appropriate structure.

For Distributors & Importers

Q8: Can you customize one sensor series for different customers?

Yes. Customization flexibility is one of the key advantages of the MFE-1 Series. We can adjust the sensor dimensions, mounting design, NTC element, material, cable and connector for different projects.

Q9: Can you replace my customer's existing NTC temperature sensor?

Yes. Send us the existing drawing, datasheet, photos, NTC parameters or a physical sample. We can compare the electrical parameters, dimensions, mounting structure, cable and connector before recommending a compatible replacement.

Q10: Can you supply different NTC thermistor specifications?

Yes. The sensing element can be selected according to the application. Please provide the required R25 resistance, B value and resistance tolerance. If these parameters are not available, send us the existing sensor specification for evaluation.

Q11: Can you make custom Overmoulding sensor housings?

Yes. Different housing sizes and mounting structures can be developed according to your installation requirements. For customized tooling, the drawing and structure will be confirmed before sample production.

Questions from Both OEM Buyers and Distributors

Q12: What information do you need for a quotation?

For a faster quotation, please provide: NTC Specification + Operating Temperature + Sensor Dimensions + Cable Length + Connector + Waterproof Requirement + Order Quantity. If you already have a drawing or existing sensor, simply send it to us.

Q13: Can I test samples before mass production?

Yes. Sample validation is recommended for customized Overmoulding sensors. It allows you to verify NTC parameters, dimensions, installation fit, cable and connector, and waterproof performance before mass production.