SI8512-C-IM

Frequency:	50kHz ~ 1MHz
Package / Case:	12-VFQFN
Mounting Type:	Surface Mount
Polarization:	Unidirectional
Operating Temperature:	-40°C ~ 125°C
Current - Supply (Max):	7mA
Response Time:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Accuracy:	±5%
Linearity:	--
Series:	--
Sensitivity:	196mV/A
Output:	Configurable (3-Modes)
Number of Channels:	1
Current - Sensing:	10A
Sensor Type:	Transformer w/Conditioning
For Measuring:	AC
Part Status:	Obsolete
Packaging:	Tube

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Current Transducers Overview

Current transducers are devices designed to safely and accurately transform large alternating currents into small proportional signals. This process is known as transduction, and is often used in industrial control systems for monitoring and controlling purposes. Current transducers come in various sizes and types, including those made from ferrite materials, resistive-type transducers, magnetic flux transducers (MFTs), and the SI8512-C-IM application field and working principle transducers discussed in this paper. In each of these transduction techniques, the current transducer transforms currents into a voltage or current signal, depending on the specific type of transducer used.

SI8512-C-IM Application Field and Working Principle

The SI8512-C-IM transducer is a resistive-type current transducer designed to measure the passing current waveform and produce a proportional signal representing the current level. The device utilizes a high-efficiency core material, which ensures excellent signal strength and accuracy. The SI8512-C-IM transducer has a wide frequency range, from 50 Hz to 64 kHz; making it suitable for use in various applications such as AC power sources, sinusoidal, motor-driven processes, and renewable systems. The SI8512-C-IM transducer uses a toroidal winding of copper wire to measure the primary current. It consists of two identical cores with an insulation layer between them. There is a primary winding, typically connected in series with the system, and a secondary winding which is connected to a shunt resistor. When current passes through the primary winding, a magnetic field is produced and induces a current in the secondary winding. The induced current is then reflected through the shunt resistor, producing a proportional voltage that can be further amplified and conditioned to output a signal accurate to the current being measured.

Conclusion

In conclusion, the SI8512-C-IM transducer is an effective resistive-type transducer designed for accurate measurement of AC current waveforms. The secondary winding and shunt resistor combination allow the device to produce a proportional voltage output, making it suitable for use in a variety of AC power applications. The device’s wide frequency range and efficient core material ensures high accuracy and signal strength.

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