Fenghua Advanced Technology has been deeply involved in the field of resistors for over 30 years, and its products are known for their high reliability, high precision, and diversity, covering all scenarios of consumer electronics, automotive electronics, industrial control, and more. Its product system has clear logic and can be divided into the following six series based on technical characteristics and application scenarios:
1、 Universal thick film resistor series
Representative models: RC series (standard thick film), RMC series (conventional patch)
Core features:
The size covers all packages from 0201 to 2512, with a power range of 1/20W (0201) to 3W (2512);
Resistance range 1 Ω~10M Ω, accuracy ± 1%~± 10%, temperature coefficient ± 100~± 400ppm/℃;
Low cost, adaptable to automated mounting, compliant with RoHS standards.
Application scenarios: Basic circuits such as consumer electronics (mobile phones, computers), home appliances, communication equipment motherboards, etc.
2、 Precision resistor series
Technical branch:
Thin film resistors (RJ/TH series):
Accuracy of ± 0.01%~± 0.1%, temperature coefficient as low as ± 5ppm/℃;
Adopting metal thin film technology, it has excellent stability, moisture and sulfur resistance.
Thick film high-precision resistor:
Accuracy ± 0.5%, temperature coefficient ± 50ppm/℃, suitable for industrial instruments.
Typical scenarios: medical equipment (ventilators, monitors), testing instruments, high-precision sensors.
3、 Alloy Resistance Series (Special for Current Detection)
Representative models: MS/MG/MF series (high power), MI series (miniaturization), RAE series (vehicle specifications);
Core advantages:
Ultra low resistance (0.5m Ω~1000m Ω), power coverage of 1W~9W;
Low temperature drift (TCR ± 50ppm/℃), low parasitic inductance, strong resistance to pulse current;
Thin design (thickness 0.4mm) helps to miniaturize equipment.
Applications: Power management (DCDC converters), BMS battery systems, motor drives.
4、 Automotive grade resistor series (AECQ200 certified)
Fenghua built the first domestic automotive resistor production line in 2016, and the products have passed rigorous environmental testing:
Automotive Thick Film Resistors (ARK Series):
Anti sulfurization technology (corrosion resistance increased by 10 times), anti surge design, suitable for high sulfur/vibration environments such as engine compartments;
Automotive grade alloy resistors (AMF/RAE series):
Resistant to a wide temperature range of 55 ℃~+155 ℃, used for OBC car chargers and electronic control units;
Automotive standard thin film resistor (ARN series):
Resistant to high temperature and humidity, with an accuracy of ± 0.1%, suitable for charging stations and ADAS systems.
5、 Special Application Resistance Series
Design for extreme environments and functional requirements:
High voltage resistor (SR series): with a withstand voltage of up to 10kV, used for power modules and inverters;
Anti sulfurization resistor (RK73BAS series): special coating for sulfur corrosion prevention, suitable for chemical and outdoor equipment;
Power resistor (PWR/MHF series):
The winding structure (PWR series, 5W~50W) is resistant to impact current and suitable for industrial power supplies and lightning protection modules;
Metal oxide film (MHF series) resistant to pulse load, used for charging stations;
Sensitive components: NTC/PTC thermistor (temperature sensing), potentiometer (precision adjustment).
6、 Product System Summary and Advantage Comparison
The following is the differentiated positioning of the main series of Fenghua resistors:
|Product Series | Accuracy Range | Temperature Coefficient | Core Application Scenarios | Irreplaceable Advantages|
|Universal thick film (RC) | ± 1%~± 10% | ± 100~400ppm/℃ | Consumer electronics motherboard | Low cost, full-size coverage|
|Precision film (RJ/TH) | ± 0.01%~± 0.1% | ± 5~25ppm/℃ | Medical instruments, aerospace sensors | Ultra high stability, anti environmental interference|
|Alloy current detection (MS) | ± 1%~± 3% | ± 50ppm/℃ | BMS power management | ultra-low resistance, surge resistance|
|Automotive Rating Class (ARK/AMF) | ± 0.5%~± 1% | ± 100ppm/℃ | Automotive Power System | Sulfurization Resistance+Wide Temperature Certification (AECQ200)|
|High voltage/power (SR/PWR) | ± 5%~± 10% | ± 200~500ppm/℃ | Industrial power supply, inverter | High voltage/high power resistance (up to 50W)|
The core technological barrier of Fenghua Resistance
Material autonomy and controllability: self-developed slurry and ceramic substrate to ensure consistency;
Technological innovation: domestically leading in sulfide resistant structure and thin film deposition technology;
Vehicle grade certification: The entire series has passed AECQ200 and is benchmarked against international standards;
Customization capability: Supports non-standard resistance values, packaging, and military grade requirements (such as radiation resistance).
Fenghua Resistors constructs a product matrix with a dual drive of "technology+scenario", which not only meets the miniaturization and cost requirements of consumer electronics, but also breaks through the high reliability bottleneck of automotive specifications/industrial scenarios, becoming a key force in replacing domestic high-end resistors. For more parameters, please refer to the product page on the official website of Fenghua High tech