Viking Tech's alloy resistor series is renowned for its high precision, low temperature coefficient (TCR), and high-power characteristics, and is widely used in fields such as automotive electronics, industrial control, and power management. The following is the classification and characteristics of its core alloy resistor series:
LR series (pure metal alloy resistor)
Characteristics:
Ultra low resistance range (0.5m Ω -15m Ω), TCR as low as ± 50 ppm/℃.
High power design, such as up to 3W in the 2512 package and 1W in the 1206 package, suitable for high current detection and high load scenarios.
High temperature resistance (working temperature 55 ° C to+170 ° C), strong surge resistance, in compliance with AECQ200 standard (some models).
Applications: power management, DCDC converters, chargers, automotive electronics, etc.
LRP Series (Low Ohmic Metal Strip Alloy Resistors)
Characteristics:
Wide resistance range (1m Ω -200m Ω), TCR of ± 50 ppm/℃, power up to 3W (2512 package).
Using metal strip technology, it is resistant to high temperatures (170 ° C) and supports short-term overload of 5 times the rated power.
The package sizes include 1206, 2010, and 2512, providing customized resistor options.
Application: Industrial power supply, communication base station, high-power power management module, etc.
CSM series (metal foil alloy current detection resistor)
Characteristics:
Low resistance (10m Ω -2000m Ω), power twice that of ordinary thick film resistors, TCR is ± 50/100 ppm/℃.
Using metal foil resistive elements combined with ceramic substrates to enhance thermal conductivity, suitable for high-precision current detection.
Applications: power management, battery management systems, medical equipment, etc.
LRS series (bare copper sheet metal alloy resistors)
Characteristics:
Ultra low resistance (0.2m Ω -5m Ω), power up to 15W (1575 package), TCR optional ± 50/150 ppm/℃.
Integrated without cutting structure, with extremely low inductance value, suitable for high current automation equipment.
Application: Hybrid power source current sensing, frequency converter, industrial control, etc.
MF series (metal foil alloy resistor)
Characteristics:
The resistance range is 20m Ω -200m Ω, the power is twice that of thick film resistors (such as 1W in 1206 package), and the TCR is ± 50/100 ppm/℃.
Ceramic substrate design optimizes heat dissipation and offers high cost-effectiveness.
Applications: consumer electronics, communication equipment, precision instruments, etc.
CSMW series (wide terminal current detection resistor)
Characteristics:
The wide terminal design reduces PCB thermal resistance, with a resistance range of 3m Ω -100m Ω and a power of up to 3W
Suitable for high-power power supplies and current sampling circuits, improving heat dissipation efficiency.
Applications: electric vehicle battery management, industrial power supply, etc.
LRJ series (0 ohm jumper resistor)
Characteristics:
Ultra low impedance (maximum 0.5m Ω in 0402 package, 0.2m Ω in 1206 package), replacing traditional jumpers and saving space.
Metal alloy material, resistant to high current impact, suitable for high-frequency circuit connection.
Applications: Consumer electronics, PCB board level circuit design, etc.
WMR series (standard solder alloy resistors)
Characteristics:
The resistance range is 0.0002 Ω -0.2 Ω, with a power of up to 9W (such as 2725 package) and TCR ± 50 ppm/℃.
Suitable for high current and high temperature environments, such as industrial automation equipment.
Guangjie alloy resistors meet diverse needs through differentiation technology:
Ultra low resistance and high current: LR, LRS, CSM series;
High frequency and high power: LRP, CSMW series;
Special scenario adaptation: LRJ (jumper), MF (metal foil) series;
High reliability: All series are RoHS certified, and some comply with AECQ200 standards.
For specific parameters or selection suggestions, please refer to the technical documentation provided by Guangjie agents.