Resistor
The Resistor Manufacturer!
Shandong Xinlianxing Electric Co., Ltd. is a high-tech enterprise specializing in the research, development, and production of resistor products. Since its establishment, the company has been dedicated to manufacturing electrical products for industrial and mining locomotives, cranes, and motors.
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![Stainless Steel Corrugated Braking Resistor]()
Stainless Steel Corrugated Braking ResistorStainless Steel Corrugated Braking Resistor adopts a unique corrugated structure to greatly improve heat dissipation capacity, with higher power density and smaller equipment volume. Made of...read more -
![Stainless Steel Wire Wound Load Resistor]()
Stainless Steel Wire Wound Load ResistorStainless Steel Wire Wound Load Resistor delivers excellent inherent corrosion‑resistant and anti‑oxidation performance. Compared with ordinary alloy wires, it achieves a longer service life under...read more -
![Industrial High Power Braking Resistor]()
Industrial High Power Braking ResistorIndustrial High Power Braking Resistor fundamentally mitigates hazards posed by regenerative energy from heavy-duty machinery. Without braking resistors, frequency converters are susceptible to...read more -
![Industrial Braking Resistor]()
Industrial Braking ResistorIndustrial equipment features substantial load inertia. Regenerative feedback energy generated during rapid braking cannot self-dissipate. Without braking resistors, frequency converters...read more -
![Industrial Neutral Earthing Resistor]()
Industrial Neutral Earthing ResistorInstalling the Industrial Neutral Earthing Resistor can accurately limit fault currents and prevent heavy currents from damaging power lines, transformers and production equipment. Meanwhile, it...read more -
![Industrial Neutral Grounding Resistor]()
Industrial Neutral Grounding ResistorIndustrial power distribution systems feature complex loads and frequent startup and shutdown cycles, which easily trigger single-phase grounding faults. The Industrial Neutral Earthing Resistor...read more -
![Starting Resistor]()
Starting ResistorStarting Resistor is primarily used to suppress startup surge current. It prevents instantaneous high current from breaking down circuit components or burning out equipment, and reduces overall...read more -
![Stainless Steel Starting Resistor]()
Stainless Steel Starting ResistorStainless Steel Starting Resistor effectively suppresses inrush current during equipment startup and protects circuits and machinery. Compared with ordinary resistors, it delivers superior rust...read more -
![Wound Motor Resistor]()
Wound Motor ResistorWound Motor Resistor is designed for the startup and speed regulation of wound rotor motors. Constructed from premium resistance wire via winding processes, it delivers excellent heat dissipation...read more -
![Stainless Steel Enclosed Braking Resistor]()
Stainless Steel Enclosed Braking ResistorStainless Steel Enclosed Braking Resistor adopts a corrosion-resistant stainless steel housing encapsulation. It has a sturdy and compact structure with outstanding protection performance, and can...read more -
![Indoor Neutral Grounding Resistor]()
Indoor Neutral Grounding ResistorIndoor Neutral Grounding Resistor is an electrical protection device specially designed for indoor power distribution systems, mainly installed in substations, distribution rooms and power...read more -
![Double Door Resistor Cabinet]()
Double Door Resistor CabinetThe Double Door Resistor Cabinet is a high-performance power equipment independently developed by our company. Designed for medium and high-voltage power systems, it limits closing overvoltage,...read more
Why choose us
Product Application
Xinlianxing Electric's products find wide application in lifting machinery, industrial and mining locomotives, metallurgical equipment, port machinery, power systems, and automation control. Its resistors and reactors are mainly used for motor starting, speed regulation, and braking control; frequency-sensitive varistors are suitable for soft-starting wound motors; and brake resistor boxes are used to release energy from inverters.
Our Service
Pre-sales support involves professional technicians assisting with product selection and design, offering customized solutions. During the sales process, we closely monitor production progress to ensure on-time delivery. Products undergo rigorous testing and are accompanied by complete documentation before shipment. After-sales support includes a rapid response mechanism, providing installation guidance, troubleshooting, and technical training.
Our Certificate
The company has obtained ISO9001 quality management system certification, ensuring that its products, from R&D to service, adhere to national standards and industry regulations throughout the entire process.
Production Market
Xinlianxing Electric's products are sold in over 30 provinces, municipalities, and autonomous regions across the country, serving key industries such as metallurgy, electricity, transportation, and energy. Xinlianxing has established a comprehensive sales and service network.
Resistor
Current Limitation
Resistors act as a control mechanism, restricting the flow of electric current to ensure it remains within safe limits. This is crucial for protecting other components in the circuit from damage due to excessive current.
Voltage Adjustment
Resistors are used to alter voltage levels within a circuit by creating a voltage drop. This ensures that each component receives the correct voltage, preventing damage from overvoltage, especially in components like LEDs that are sensitive to high currents.
Circuit Response Tuning
In some circuits, resistors are used to adjust the response characteristics such as frequency and amplitude. By varying resistance, the circuit’s performance can be fine-tuned to achieve desired operational parameters.
Current Distribution
In parallel circuits, resistors help distribute current evenly across different branches, ensuring efficient current flow throughout the circuit.
Voltage Regulation
Resistors can be part of voltage regulation systems, helping to stabilize voltage levels within a circuit. This is particularly important in circuits requiring consistent and stable voltage for proper operation.
Temperature Sensing
Special resistors, known as thermistors, change resistance with temperature variations, making them useful in temperature sensing and control applications.
Circuit Gain Adjustment
In amplifier circuits, resistors control the gain, or amplification factor, allowing adjustments to be made to the output signal, similar to adjusting the volume of a speaker.
Protective Function
Resistors often serve as protective elements, preventing overcurrent and protecting sensitive components from damage due to excessive electrical flow.
Filtering
When combined with capacitors and inductors, resistors form filter circuits that eliminate unwanted high-frequency or low-frequency noise, thereby enhancing signal clarity.
Voltage Division
For precise voltage distribution, resistors can be used to create voltage dividers, which allocate specific voltages to different parts of the circuit.
Heating Applications
Some high-power resistors generate heat as a byproduct and are used in applications such as heaters or hand warmers.
Time Delay
In combination with capacitors, resistors can produce time delays, useful in pulse or timing circuits to control when certain operations occur.
The system is a little simpler for through-hole resistors. A colour code has been in place for many years and is still current.Each resistor has three or four bands specifying the value, plus a tolerance band. For a 4-band resistor, the first two bands are numerical values and the third band is a multiplier.
If, for instance, we had a case where the first two bands were red, and the third band was orange, then the resistor value would be 22KΩ. If the fourth band was also red, then the resistor would have a tolerance of 2%. If we take the case of a 5-band resistor with the first three colours as red, and the fourth as brown, we would have a value of 2.22KΩ.
Common Types of Resistor and its Uses
Carbon Film Resistors: These are the most common type of resistors. They are made of a ceramic rod coated with a thin film of carbon. Carbon film resistors are used in a wide range of applications including signal amplification circuits, power supplies, and audio equipment.
Metal Film Resistors: Metal film resistors are made by depositing a thin film of metal (such as nickel-chromium) onto a ceramic substrate. They offer better stability and precision compared to carbon film resistors and are often used in precision instrumentation and audio applications.
Wirewound Resistors: These resistors are made by winding a resistance wire, typically made of nichrome or similar alloys, around a ceramic or fiberglass core. Wirewound resistors can handle high power levels and are commonly used in power electronics, motor controls, and industrial applications.
Thick Film Resistors: Thick film resistors are made by depositing a thick film of resistive material, such as ruthenium oxide, onto a ceramic substrate. They are cost-effective and widely used in consumer electronics, automotive applications, and telecommunications.
Thin Film Resistors: Thin film resistors are made by depositing a very thin film of resistive material onto a ceramic substrate. They offer high precision, low temperature coefficients, and excellent stability. Thin film resistors are used in precision instruments, medical devices, and aerospace applications.
Variable Resistors (Potentiometers): These are resistors with an adjustable resistance value. They consist of a resistive track and a sliding contact (wiper) that can be moved to change the resistance. Potentiometers are used for volume control, tuning circuits, and voltage adjustments in various electronic devices.
Light Dependent Resistors (LDRs): Also known as photoresistors, LDRs are resistors whose resistance changes with the intensity of light falling on them. They are used in light-sensing applications such as automatic streetlights, camera exposure control, and outdoor lighting systems.
Thermistors: Thermistors are resistors whose resistance varies significantly with temperature. They can be classified into two types: NTC (Negative Temperature Coefficient) and PTC (Positive Temperature Coefficient). Thermistors are used for temperature sensing and compensation in electronic circuits, temperature control systems, and automotive applications.
Fusible Resistors: Fusible resistors are designed to act as fuses in a circuit, meaning they are intentionally made to burn out and open the circuit when subjected to excessive current. They provide both resistance and overcurrent protection, making them suitable for applications where circuit protection is critical.
Cermet Resistors: Cermet resistors are constructed using a ceramic substrate with a thin film of conductive cermet material (a mixture of ceramic and metal particles) deposited on it. They offer high stability, low noise, and good reliability, making them suitable for precision and high-frequency applications.
Carbon Composition Resistors: Carbon composition resistors are made by mixing carbon particles with a binder material and then compressing them into a cylindrical shape. They have high temperature stability and are often used in high-voltage and high-temperature applications such as in power supplies and industrial equipment.
Network Resistors: Network resistors, also known as resistor networks or resistor arrays, are multiple resistors housed in a single package. They provide several individual resistors in a compact form, which is useful in applications requiring multiple resistance values in a limited space, such as in integrated circuits and telecommunications equipment.
SMD Resistors: Surface Mount Device (SMD) resistors are designed for surface mounting directly onto printed circuit boards (PCBs). They come in various configurations such as chip resistors, resistor arrays, and network resistors. SMD resistors are widely used in modern electronic devices due to their small size, high reliability, and compatibility with automated assembly processes.
Process Technology And Customization Services
Advanced Manufacturing Process
Laser Welding Technology: The resistor wire and terminals are laser-welded, achieving a contact resistance of less than 0.5 mΩ, reducing heat loss.
3D-Printed Heatsink Fins: Through topology optimization, the heat dissipation area is increased by 50%, enabling a power density of 5 kW/kg.
Full-Process Customization Service
Parameter Customization: Adjust resistance value, power, and dimensions (e.g., length ≤ 3 m) according to user requirements.
Structure Customization: Supports wall-mount, DIN-rail, or flange mounting to accommodate different equipment spaces.
Fast Delivery: Standard models ship within 3 days, and customized models are produced within 15 days.
Packing Details
We will packing by professional export packing,safety against breakage, finally into the wooden cases/ carton/pallet or customized package.
Delivery Details
We can deliver by SEA,air,rail transportation,the China-Europe Railway Express etc.
TNT, DHL,UPS, FEDEX, EMS，S.F EXPRESS etc.
FAQ
As one of the most professional resistor manufacturers and suppliers in China, we're featured by cheap products and good service. Please rest assured to wholesale customized resistor at competitive price from our factory. Contact us for quotation.