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Specifications
Mfr. Part #:
LTSR6-NP
Package:
Through Hole
Key Attributes
Model Number:
LTSR6-NP
Product Description
Overview
The LEM LTSR 6-NP is a closed-loop Hall effect current transducer designed for the electronic measurement of DC, AC, pulsed, and mixed currents. It provides galvanic isolation between the primary and secondary circuits, featuring a unipolar voltage supply, compact PCB mounting design, and an incorporated measuring resistance. This transducer offers excellent accuracy, very good linearity, low temperature drift, and a wide frequency bandwidth, making it suitable for industrial applications such as AC variable speed drives, static converters for DC motor drives, and uninterruptible power supplies.
Product Attributes
- Brand: LEM
- Model: LTSR 6-NP
- Certifications: UL 94-V0, EN 50178, IEC 60950-1
- Material: Isolated plastic case
- Origin: Not specified
- Color: Not specified
Technical Specifications
| Parameter | Value | Unit | Notes |
| Primary nominal current (IPN) | 6 | A | rms |
| Primary current measuring range | 0 .. 19.2 | A | 1) |
| Overload capability (P) | 250 | A | |
| Output voltage (VOUT) @ IP | 2.5 (0.625IP/IPN) | V | |
| Output voltage (VOUT) @ IP = 0 | 2.5 | V | 2) |
| Reference voltage (internal, RefOUT) | 2.5 | V | 3) |
| Reference voltage (external, RefIN) | 1.9 .. 2.7 | V | 4) |
| Sensitivity (G) | 104.16 | mV/A | |
| Number of secondary turns (N S) | 2000 | 0.1 % | |
| Load resistance (R L) | 2 | kW | |
| Max capacitive loading (C L max) | 500 | pF | |
| Internal measuring resistance (R IM) | 208.33 | W | 0.5 % |
| Temp. coefficient of R IM (TCR IM) | < 50 | ppm/K | |
| Supply voltage (VC) | 5 | V | 5 % |
| Current consumption @ VC = 5 V | Typ 28+IS | mA | 5) |
| Accuracy @ IPN , TA = 25C | 0.2 | % | |
| Accuracy with R IM @ IPN , TA = 25C | 0.7 | % | |
| Linearity error (eL) | < 0.1 | % Max | |
| Temp. coefficient of VOUT /VREF @ IP = 0 (TCVOUT) | 150 | ppm/K | - 40C .. + 85C |
| Temp. coefficient of G (TCG) | 50 | ppm/K | 6) - 40C .. + 85C |
| Magnetic offset voltage (VOM) @ IP = 0, after overload | 7 / 8 / 10 | mV | 3x / 5x / 10x IPN |
| Temp. coefficient of internal VREF (TCVREF) | 50 / 100 | ppm/K | 10C .. + 85C / - 40C .. - 10C |
| Reaction time @ 10 % of IPN | < 100 | ns | |
| Response time to 90 % of IPN step | < 400 | ns | |
| di/dt accurately followed | > 15 | A/s | |
| Frequency bandwidth (0 .. - 0.5 dB) | DC .. 100 | kHz | |
| Frequency bandwidth (- 0.5 .. 1 dB) | DC .. 200 | kHz | |
| Ambient operating temperature (TA) | - 40 .. + 85 | C | |
| Ambient storage temperature (TS) | - 40 .. + 100 | C | |
| Mass | 10 | g | |
| Rms voltage for AC isolation test (Vd) | 3 | kV | 50 Hz, 1 min |
| Impulse withstand voltage (Vw) | > 8 | kV | 1.2/50 s |
| Rms voltage for partial discharge extinction (Ve) | > 1.5 | kV | 10 pC Min |
| Creepage distance (dCp) | 15.35 | mm | On housing |
| Clearance distance (dCI) | 6.2 | mm | On PCB with soldering pattern UTEC93-703 |
| Comparative Tracking Index (CTI) | 175 | Group IIIa |
2410311332_LEM-LTSR6-NP_C454680.pdf
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