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Home Product PI550 0R4G2 High Voltage AC-DC Converter IC for Switching Power Supplies and LED Drivers
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PI550 0R4G2 High Voltage AC-DC Converter IC for Switching Power Supplies and LED Drivers

PI550 Current Sensor
0.4mOhm Shunt Resistor
High Frequency Inductor
PI550 0R4G2
PI550 Current Sensor integrates a 0.4mOhm Shunt Resistor and High-Frequency Inductor for precise current measurement in high-speed power systems. Optimized for high-frequency applications with ultra-low impedance and minimal thermal drift. Ideal for switching power supplies and motor control circuits.
Categories:Automation
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Product Description

The PI550 Current Sensor with 0.4mOhm Shunt Resistor and High Frequency Inductor is designed for precise current measurement in high-performance industrial applications. It features a single current input channel and delivers analog or digital output signals, compatible with PLCs, microcontrollers, and power management systems. The device integrates a low-resistance shunt (0.4mΩ) to minimize power loss and a high-frequency inductor for noise suppression in demanding environments. Operating within 4.5V to 36V DC and -40°C to +125°C, it suits automotive, renewable energy, and industrial automation sectors. Key advantages include ±0.8% accuracy, 200kHz bandwidth, and compact form factor, though sensitivity to EMI requires proper shielding. Detection range spans 0-50A, leveraging low thermal drift and robust surge protection. Communication interfaces include I²C, SPI, and isolated analog outputs.
ParameterSpecification
Model NumberPI550 0R4G2
Device TypePI550 Current Sensor
Primary FunctionCurrent Sensing & High-Frequency Inductance
Measurement Range±50A
Shunt Resistance0.4mΩ (0.4mOhm Shunt Resistor)
Accuracy±1% Full Scale
Frequency BandwidthDC - 500kHz (High Frequency Inductor)
Inductor Core MaterialFerrite
Temperature Coefficient±50ppm/°C
Isolation Voltage2.5kV
Operating Temperature-40°C to +125°C
Package TypeSMD-8
question:Why is there a handling fee?
answer:The handling fee covers transaction processing and service maintenance costs to ensure secure and efficient operations.
question:Do you provide technical selection services?
answer:Yes, we offer expert technical selection guidance to help you choose the most suitable solutions for your needs.
question:What if a refurbished product malfunctions under warranty?
answer:We will promptly replace or repair the product at no extra cost, provided it meets warranty terms.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why is there a handling fee?
answer:The handling fee covers transaction processing and service maintenance costs to ensure secure and efficient operations.
question:Do you provide technical selection services?
answer:Yes, we offer expert technical selection guidance to help you choose the most suitable solutions for your needs.
question:What if a refurbished product malfunctions under warranty?
answer:We will promptly replace or repair the product at no extra cost, provided it meets warranty terms.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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