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Shenzhen Socan Technologies Co.,Ltd
SCB21 Series Close Loop Current Sensor

SCB21 Series Close Loop Current Sensor

Product catalog summary

Overview: The SCB21 Series is a Hall Effect Close Loop Current Sensor designed for PCB mounting with a window size of 12.5x9.0mm. It provides galvanic isolation between primary and secondary circuits, enabling accurate electronic measurement of DC, AC, or pulse currents.

Technical Specifications:

Nominal RMS Current (Ipn): Available in ±50A, ±100A, and ±125A models.
Measuring Range (Ip): 100AT for 50A model, 200AT for 100A model, and 250AT for 125A model.
Road Resistance (Rmax): 50~100Ω for 50A model, 20~80Ω for 100A and 125A models.
Output Current: ±50mA, ±100mA, and ±125mA respectively.
Turns Ratio: 1:1000 for all models.
Measuring Resistance: 40Ω for 50A model, 70Ω for 100A and 125A models.
Working Voltage: DC ±12V or ±15V (±5%).
Accuracy: ±0.5% at 25°C.
Linearity: ±0.1% at 25°C.
Offset Current: < ±0.2mA.
Offset Temperature Characteristics: < ±0.2%/°C.
Thermal Drift of Vo: Typical ±0.1mA, maximum ±0.5mA.
Di/Dt Following Accuracy: >100A/us.
Bandwidth: DC ~100kHz.
Response Time: < 1uS.
Hysteresis Offset: < 0.5mA.
Withstand Voltage: 3kVrms/50Hz/min.
Current Consumption: 13mA + output current.
Operating Temperature: -40~+80°C.
Storage Temperature: -40~+80°C.

Instructions and Cautions:

Square perforation is mainly used to measure copper conductor current.
Current output is provided.
Advantages include wide bandwidth, excellent accuracy, good linearity, and fast response.
Caution: Incorrect wiring may damage the sensor.

Catalog excerpts

SCB21 Series Close Loop Current Sensor-1

Hall Effect Close Loop Current Sensor SCB21 Series PCB Mount, window 12.5*9.0mm Technical parameters Nominal Rms Current (Ipn) Measuring Range (Ip) Road Resistance Rmax Output current Turns Ratio Measuring Resistance Working voltage Accuracy @ Ta=25°C Linearity @ Ta=25°C Offset current Offset temperature characteristics Themal drift of Vo Typical values ± 0.1mA, maximum ±0.5mA Di/Dt following accuracy Bandwidth Response time Hysteresis offset Withstand voltage Current consumption Operating temperature Storage temperature Dimension(mm) Typical values ± 0.05mA, maximum ±0.25mA >100A/us DC ~100kHz < 1uS < 0.5mA (if=F.S. 0<--- --->Nominal RMS Current) 3kVrms/50Hz/min 13mA + output current -40~+80 °C -40~+80 °C Instructions 1.SCB21 Series is close-loop current sensor. There is galvanic isolation between primary and secondary circuit provides accurate electronic measurement of DC, AC or pulse currents. 2.Square perforation, mainly measure cooper conductor current. 3.Current output. 4. Advantages: Wide bandwidth, excellent accurary, good linearity and fast response. Caution: Incorre

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SCB21 Series Close Loop Current Sensor

SCB21 Series Close Loop Current Sensor

Catalog excerpts

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