Burns, as a professional brand in the field of electronic components, has a product matrix centered around precision resistors, extending to temperature sensors, current detection components, and customized circuit protection solutions, forming a technical system covering multiple scenarios such as industrial control, automotive electronics, and medical equipment. The following is a systematic review of the main product categories of the Burns brand:
1、 Precision resistor series
Burns is based in the market with high-precision and high stability resistor technology, providing various types of products such as thin/thick films, alloys, and low resistance:
High precision models: such as the BFR series, with an accuracy of ± 0.01% and a temperature drift as low as ± 5ppm/℃, suitable for precision measuring instruments and medical equipment.
High frequency characteristic resistor: using special materials and structures, parasitic inductance as low as 0.1nH, matching the requirements of 5G communication and high-speed digital circuits.
thick film resistor
High power models, such as the PWR series, have a rated power of up to 10W and can withstand transient overloads. They are used in industrial power supplies and motor drives.
Sulfurization resistance: Through a special coating process, it resists hydrogen sulfide corrosion and is suitable for chemical and mining equipment.
alloy resistance
Low resistance model: with a resistance range of 0.5m Ω to 910m Ω, combined with a four terminal design, the current detection accuracy reaches ± 0.5%. It is widely used in battery management systems (BMS) and power modules.
High power density resistor: reduces volume by 30% while achieving a 5W power density, suitable for consumer electronics (such as drones) and electric vehicle charging stations.
Special Application Resistors
Pulse load resistor: capable of withstanding tens of thousands of pulse impacts, suitable for lightning protection equipment and automotive ignition systems.
Fuse resistor: Integrated overcurrent protection function, replacing traditional fuses and improving circuit safety.
2、 Temperature Sensor Series
Burns provides NTC thermistors, PTC thermistors, and temperature switches, covering temperature detection and control scenarios:
ntc thermistor
Precision temperature measurement type: such as MF52 series, with an accuracy of ± 0.1 ℃ and a response time of<1 second, used for medical equipment (such as thermometers) and environmental monitoring.
High power type: such as MF73 series, with a rated power of 5W, can withstand high temperatures (up to 300 ℃), suitable for industrial ovens and automotive engine compartments.
PTC Thermistor
Overcurrent protection type: When the temperature exceeds the threshold, the resistance value suddenly increases and the current is cut off. It is used for motor and transformer overheating protection.
Self recovery fuse: Integrated PPTC technology, achieving dual protection against overheating and overcurrent, simplifying circuit design.
temperature switch
Mechanical temperature control switch: such as the KSD series, which uses bimetallic deformation to achieve on/off, and is used for heating household appliances (such as electric kettles) and car seats.
Digital temperature sensor: Provides I2C/SPI interface, supports remote monitoring, and is suitable for industrial Internet of Things (IIoT) scenarios.
3、 Current detection and protection components
Burns provides high-precision current detection resistors and customized protection solutions for current management needs:
sense resistor
Alloy sampling resistor: low resistance (0.1m Ω to 1 Ω), high precision (± 1%), paired with a four terminal design to reduce pin errors, used in power management systems (such as server power supplies) and power tools.
Diverter: High current (up to several thousand amperes) detection, suitable for electric vehicle charging stations and photovoltaic inverters.
Circuit protection components
Self healing fuse (PPTC): Covering plug-in and patch packaging, with an action time of less than 1 second, reusable, suitable for consumer electronics (such as mobile phones) and communication devices (such as routers).
Disposable fuses: available in various forms such as micro, square, cylindrical, etc., compliant with UL and CSA certifications, used for secondary protection.
4、 Customized solutions
Burns provides full process support from component selection to circuit design, with typical solutions including:
Automotive Electronic Solutions
Resistors and sensors certified by AEC-Q200, compatible with onboard inverters, battery management systems (BMS), and body control modules (BCM), capable of withstanding a wide temperature range of -40 ℃ to+150 ℃.
Industrial control scheme
High heat resistance, high-power resistor and temperature sensor, compatible with PLC, AC servo drive, frequency converter, to enhance equipment reliability.
Medical equipment solution
High precision, low-noise resistors and NTC thermistors ensure the measurement accuracy and stability of medical instruments such as electrocardiographs and MRI.
5、 Technical advantages and certification
Materials Science: Using special alloys and ceramic composite materials to achieve rapid response (μ s level) and low internal resistance.
Process innovation: lead-free process, laser resistance adjustment to ensure product consistency (± 5%).
Certification system: UL, TUV, CSA safety certification, compliant with RoHS and REACH environmental standards.
Burns uses precision resistors as the technological foundation to build an electronic protection ecosystem from components to systems. Its products are centered around "high precision, high reliability, and customization" and are widely used in fields with strict safety requirements, becoming partners in industries such as industrial control, automotive electronics, and medical equipment. In the future, with the popularization of the Internet of Things and new energy vehicles, Burns will continue to deepen its layout in the field of low-power and high integration components.