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Specifications
working temperature:
-10℃~+70℃
Current Range:
±150A
Band Width:
100kHz
Response Time (tr):
1us
Bidirectional Current Detection:
Support
Mfr. Part #:
LT108-S7
Key Attributes
Model Number:
LT108-S7
Product Description
Product Overview
The LEM LT 108-S7 is a closed-loop Hall effect current sensor designed for measuring DC, AC, and pulse currents with excellent precision, linearity, and fast response time. It features a UL 94-V0 rated insulating housing, strong anti-interference capabilities, and current overload capacity, making it ideal for industrial applications such as variable speed drives, servo motors, battery power systems, and power supplies.
Product Attributes
- Brand: LEM
- Certifications: UL 94-V0, EN 50178, IEC 61010-1
- Origin: Shanghai Jiaren (for socket)
Technical Specifications
| Parameter | Description | Value | Unit |
| Primary Current | Rated RMS Primary Current (IPN) | 100 | A |
| Primary Current, Measuring Range (IPM) | 0 .. 150 | A | |
| Measurement Resistance (RM) @ 12 V | 0 - 136 | ||
| Measurement Resistance (RM) @ 15 V | 0 - 175 | ||
| Measurement Resistance (RM) @ 150 A, 12 V | 0 - 74 | ||
| Secondary Current | Rated RMS Secondary Current (ISN) | 50 | mA |
| Transformation Ratio (KN) | 1 : 2000 | ||
| Secondary Coil Resistance @ TA = 70C (RS) | 32 | ||
| Power Supply | Supply Voltage (VC) ( 5 %) | 12 .. 15 | V |
| Current Consumption (IC) @ 12V | 28 + IS | mA | |
| Accuracy | Total Accuracy @ IPN, TA = 25C (XG) | 0.6 | % |
| Linearity (L) | < 0.1 | % | |
| Zero Offset Current @ IP = 0, TA = 25C (IOE) | 0.15 | mA | |
| Magnetic Offset Current @ IP = 0, overload 3xIPN (IOM) | 0.10 | mA | |
| Dynamic Parameters | Offset Temperature Drift (IOT) (-10C .. +70C) | 0.20 / 0.64 | mA |
| Response Time to 10% of IPN (tra) | < 500 | ns | |
| Response Time to 90% of IPN (tr) | < 1 | s | |
| Bandwidth | Bandwidth (-3 dB) (BW) | DC .. 100 | kHz |
| Environmental | Operating Temperature (TA) | -10 .. +70 | C |
| Storage Temperature (TS) | -25 .. +80 | C | |
| Weight | Mass (m) | 73 | g |
| Isolation | AC Isolation Test Voltage (Vd) @ 50 Hz, 1 min | 3.52 | kV |
| Impulse Withstand Voltage (Vw) 1.2/50 s | 6.5 | kV | |
| Creepage Distance (dCp) | 10 | mm | |
| Clearance Distance (dCI) | 6 | mm | |
| CTI | Comparative Tracking Index (group IIIa) | 275 |
1912111437_LEM-LT108-S7_C454768.pdf
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