1. General Description & Purpose:

️· Type: Closed-loop (compensated) Hall-effect current transducer.
️· Application: Designed for measuring AC and DC currents in industrial applications (variable speed drives, static converters, UPS, SMPS, welding power supplies).
️· Isolation: Isolated plastic case, recognized according to UL 94-V0.
️· Compact Design: PCB mounting.

2. Electrical Specifications:

️· Measured Current (Ip): 6 Amps (Nominal)
️· Supply Voltage (Vc): 5V (+/- 5%)
️· Output Voltage (Vout): Related to input current and reference voltage (Vref) based on the formula: `Vout = (Ip / Ipn) * Vref`. It ranges around 2.5V, subject to a tolerance of ±0.625V.
️· Internal Measuring Resistance (Rim): 208.33 Ohms (+/- 0.5%)
️· Temperature Coefficient of Rim (TCRim): < 50 ppm/K
️· Current Consumption (Ic): Typical 28 + (Is) + (Vout / RL) mA. Where 'Is' is the secondary current and 'RL' is the load resistance.
️· Output Voltage Range: Approx 2.5V.

3. Performance Characteristics & Accuracy:

️· Accuracy at Ipn @ 25°C: ±0.2%
️· Accuracy with Rim @ Ipn @ 25°C: ±0.7%
️· Linearity Error: < 0.1%
️· Magnetic Offset Voltage (Vom) at Ipn:
- 0 x Ipn: ± 0.5 mV
- 5 x Ipn: ± 2.0 mV
- 10 x Ipn: ± 2.0 mV
️· Temperature Coefficient of Vout/Vref:
- -40°C to +85°C: 150 ppm/K
️· Temperature Coefficient of G (gain): -40°C to +85°C: 50 ppm/K
️· Response Time (tr): < 400 ns
️· Reaction Time @ 10% of Ipn: < 100 ns
️· Frequency Bandwidth:
- -0.5 dB: 200 kHz
- -3 dB: 100 kHz

4. Environmental Conditions:

️· Ambient Operating Temperature (Ta): -40°C to +85°C
️· Ambient Storage Temperature (Ts): -40°C to +100°C
️· Creepage Distance (dCp): 15.35 mm
️· Clearance Distance (dCl): 6.2 mm
️· Comparative Tracking Index (CTI): 175

5. Mechanical Aspects:

️· Fastening: PCB mounting
️· Primary Connection: 6 pins, 0.8mm diameter. Requires 1.3mm hole
️· Secondary Connection: 4 pins, 0.5mm x 0.35mm. Requires 0.8mm hole.
️· Primary Jumper Temperature Limit: 100°C

6. Isolation:

️· Rated Isolation Voltage: 3 kV (50/60 Hz)
️· Impulse Withstand Voltage: 8 kV

7. Notes and Important Considerations:

️· Reference Voltage (Vref): The output voltage is directly tied to the reference voltage.
️· Overload Conditions: The offset voltage is crucial to consider under significant overload.
️· EMC Considerations: The acceptance criteria for EMC (Electromagnetic Compatibility) are subject to review.
️· Load Resistance (RL): The output voltage is dependent on the load resistance.
️· External Components: A buffer amplifier may be required to interface with ADCs and other circuits, especially with higher load capacitance.



This summary consolidates the key specifications and features of the LEM LTSR 6-NP current transducer. Let me know if you're interested in a more detailed breakdown of any specific aspect.