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PTC & NTC Thermistor
Manufacturer from China

High-performance, RoHS-compliant thermistors and PTC heating chips for industrial, automotive, and consumer electronics applications.

About LK-Thermistor

Dongguan Linkun Electronic Technology Co., Ltd. is a professional manufacturer specializing in PTC thermistors, NTC thermistors, PTC heating chips, and a wide range of thermal and surge protection components. With over a decade of experience, we deliver reliable, high-quality electronic components trusted by clients worldwide.

Quality Control

Strict quality assurance processes ensure every component meets international standards including RoHS and CE.

Factory Direct

As a direct manufacturer, we offer competitive pricing and fast lead times without intermediaries.

Global Reach

Our products are exported to over 50 countries, serving industries from automotive to consumer electronics.

Our Products

Explore our wide range of high-performance thermistors and thermal components designed for reliability, efficiency, and safety.

LKMZB-16 / LKMZB-19 PTC Thermistor

For relay contact protection, multi-purpose heat-resistant applications.

  • Resistance: 10-20Ω (LKMZB-16), 8-15Ω (LKMZB-19)
  • Type: PTC Thermistor
  • Application: Relay Protection

MZ23-20P3R6V265 PTC Thermistor

Lightweight, RoHS-compliant, ideal for overcurrent protection.

  • Resistance: 3.6Ω
  • Voltage: 265V
  • Application: Overcurrent Protection

MZ9 Series PTC Thermistor

Surge current resistant, used in motor starting and refrigeration systems.

  • Resistance: 15Ω, 47Ω, 50Ω, 68Ω, 100Ω
  • Voltage: 220V
  • Application: Motor Starting

19mm PTC Heating Chip

High-efficiency ceramic heating element for automotive and appliances.

  • Voltage: 3.7V
  • Size: 19mm
  • Temperature: Up to 235°C

MF72 Power NTC Thermistor

Inrush current limiter for power supplies and inverters.

  • Diameter: 15mm (D15 Series)
  • Resistance:
  • Application: Switching Power Supply

SMD NTC Thermistor

Miniature surface-mount thermistors for compact electronics.

  • Type: Multilayer Monolithic
  • Features: Lead-free, moisture-resistant
  • Application: IC Temperature Compensation

NTC Temperature Sensor

Durable waterproof probes for industrial and household use.

  • Resistance: 10K to 100K Ohm
  • B Value: RoHS compliant
  • Application: Temperature Monitoring

MZ10 Series PTC Thermistor

High-reliability thermistor for industrial electronics and current protection.

  • Resistance: 100R
  • Voltage: 300V
  • Curie Temp: 120°C

Why Choose LK-Thermistor?

Engineered for performance, safety, and longevity.

High Reliability

Long life and stable performance under extreme conditions.

High Thermal Efficiency

Optimized for fast and efficient heating with minimal energy loss.

RoHS & CE Compliant

Environmentally safe and meets international regulatory standards.

Fast Delivery

Efficient logistics and global shipping for timely delivery.

87+
PTC Thermistor Models
142+
PTC Heating Chips
268+
NTC Thermistors
50+
Countries Served

Frequently Asked Questions

What is a PTC thermistor?

A Positive Temperature Coefficient (PTC) thermistor increases its resistance as temperature rises, making it ideal for overcurrent protection and self-regulating heating applications.

What is the difference between NTC and PTC?

NTC (Negative Temperature Coefficient) thermistors decrease resistance with rising temperature, used for temperature sensing. PTC thermistors increase resistance, used for protection and heating.

Are your products RoHS compliant?

Yes, all our thermistors and electronic components meet RoHS and CE standards for environmental and safety compliance.

Can I request custom specifications?

Yes, we support OEM/ODM services. Contact us with your requirements for tailored solutions.

Get in Touch

For quotes, samples, or technical support, visit our official website to connect with our team.

Visit Official Website

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