As a leading global manufacturer of passive components, Tai's current sensing resistor product line covers a wide range of application scenarios and technical requirements. The following is a systematic review of its core series, classified based on technical characteristics and typical application scenarios:
1、 Four terminal structure series
The four terminal design effectively eliminates the interference of lead resistance on measurement through independent current and voltage terminals, making it suitable for high-precision current detection scenarios.
AMF series
Category: Four electrode current sensing resistor
Resistance range: 0.001 Ω~0.02 Ω, accuracy ± 1%~5%
Packaging: 0306~0612, suitable for compact design requirements.
RLF series
Category: Metal Plate Four Terminal Resistors
Resistance range: 0.0005 Ω~0.001 Ω, accuracy ± 0.5%~1%
Typical applications: High frequency circuits and low-power devices, such as communication base station RF modules.
RLFC series
Category: Four terminal resistor (high-power type)
Fixed resistance: 0.01 Ω, accuracy ± 1%, packaged in 2512, suitable for high current scenarios such as new energy charging stations.
2、 Alloy Material Series
By using alloy materials such as NiCr and CuMn, combined with vacuum sputtering technology, high power density and low-temperature drift characteristics are provided.
RLP series
Category: Metal plate current sensing resistor
Resistance range: 0.001 Ω~0.5 Ω, power of 1W~3W, packaged from 1206 to 4527
Advantages: Ultra low resistance (minimum 0.0005 Ω), strong impact resistance, suitable for scenarios such as power adapters and inverters.
RLT series
Category: Metal sheet current sensing resistor
Resistance range: 0.001 Ω~0.005 Ω, accuracy ± 1%, packaging 0603~1206
Typical model: RLT10FTIR0015 (1.5m Ω± 1%, 0.75W), used for automotive BMS and industrial frequency converters.
3、 Wide electrode design series
By increasing the electrode area, the heat dissipation performance is improved, the temperature rise is reduced, and the service life is extended.
RLN series
Category: Metal Plate Wide Electrode Current Sensing Resistance
Resistance range: 0.001 Ω~0.2 Ω, packaged in 0603~3720, suitable for high power density scenarios such as server power supplies.
RLPL series
Category: Wide electrode metal plate resistor
Resistance range: 0.001 Ω~0.055 Ω, packaged in 1225, with a power of up to 3W, suitable for industrial automation equipment.
4、 Anti sulfurization and vehicle specific series
Designed for high temperature, high humidity, and sulfur-containing environments, meeting the stringent standards of automotive electronics.
RLH series
Category: Sulfur resistant and Surge resistant Automotive Chip Resistors
Resistance range: 0.1 Ω~0.91 Ω, accuracy ± 1%~5%, certified by AECQ200
Application: Automotive lighting control, engine management unit.
RLHA series
Category: Automotive Micro Impedance High Power Resistors
Power: up to 3W, resistance of 0.1 Ω~0.91 Ω, suitable for new energy vehicle charging modules and BMS systems.
5、 High precision sampling series
Focusing on precision measurement scenarios, combined with low temperature coefficient (TCR) and high stability.
RLM series
Category: Metal plate current sensing resistor
Resistance range: 0.0005 Ω~0.05 Ω, accuracy ± 1%~5%
Typical model: RLM25FEER004 (4m Ω± 1%, 2W), used for high current detection such as industrial frequency converters.
RLS series
Category: Metal sheet current sensing resistor
Resistance range: 0.005 Ω~0.04 Ω, packaged in 0402~2512, suitable for consumer electronics power management circuits.
TA-I's current sensing resistor series focuses on four terminal structure, alloy materials, and wide electrode design as its core technology direction, covering the full range of requirements from miniaturized consumer electronics to high reliability automotive electronics. Its products have passed AECQ200 certification, with high precision (± 0.1%), low temperature drift (TCR as low as ± 15 ppm/℃), and diversified packaging (0402~5930), making it the preferred solution in fields such as new energy, communication base stations, and industrial automation. For specific model parameters or selection support, please refer to their official cooperation platform or authorized agent information.
