SMD Resistor is a kind of metal glass uranium resistor. It is a resistor made by mixing metal powder and glass uranium powder and printing on the substrate by screen printing method. It is resistant to humidity and high temperature and has a small temperature coefficient; it can greatly save the cost of circuit space and make the design more refined.
(1) Alloy chip resistors are also called current detection resistors, current sensing resistors, alloy sampling resistors, current sensing resistors, and alloy resistors. The main material of the resistance is copper, plus other materials become constantan, manganese copper and so on. There are many other auxiliary materials, but the main performance is determined by the alloy material itself. Generally speaking, the alloy chip resistor is a small resistance of the chip sampling resistor, which is connected in series in the circuit to convert the current into a voltage signal for measurement.
(2) The alloy chip resistor adopts a special alloy that meets high-power electrical characteristics, high purity, high thermal conductivity, low temperature drift and high temperature resistance, and is integrally formed without cutting structure, which greatly reduces the heat dissipation area on the circuit board and can achieve almost no inductance value. As a current carrier, alloy resistors have precise resistance, temperature stability, product safety, and stability that are significantly higher than ordinary ceramic resistors. At the same time, the thermal conductivity of metal is also a major advantage over other resistors. Especially in the application of power supply and other related products, when an inrush current, short circuit current or pulse current is generated, the alloy is used as the current medium to detect the current.
(3) Application field: Alloy resistance is mainly used for sampling current in the circuit and feedback the changing current in the circuit, so as to further control or affect the change of current. Main application products: power supply, inverter / converter, lithium battery protection board, automotive related space, notebook, computer motherboard, servo drive, and LED driver, LCD control board, etc.
The following are the specifications of VIKING Taiwan's Guangjie alloy chip resistors
Size Accuracy Range Power Temperature Drift Range Resistance Range
2512 0.5% -5% 2W 50ppm-75ppm 0.5mR-200mR
2512 0.5% -5% 3W 50ppm-75ppm 0.5mR-100mR
1206 1% -5% 1W 100ppm 8mR-15mR
Hailist Technology Co., Ltd. is the first-level contracted agent of Taiwan's VIKING China. It is committed to the production and sales of Guangjie's high-end resistors, capacitors, inductors, diodes, varistors and other passive components. To protect parts and other products, the head company Guangjie Technology was established in Hsinchu Science Park in 1997. Guangjie Technology is the first professional manufacturer in Taiwan to combine thin-film / thick-film process technology with high-frequency passive component / module design and development capabilities. It has a superior technical research and development team, is committed to the development of thin film process technology and the design and development of high-frequency components, and provides integrated passive components and high-frequency modules and other key components that meet the needs of high-frequency and miniaturization of system products. It successfully integrates passive components (Integrated Passive Devices, IPDs) such as resistors / capacitors / inductors / diodes, etc., which can be widely used in the electrostatic prevention and electromagnetic filtering (ESD & EMIFilter) of mobile personal electronic products.
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