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| Topstek Current Transducer TQL50A TQL50A Features iHighly reliable Closed Loop Hall Effect device iCompact and light weight iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 150 kHz) iLow power consumption (9 mA nominal) iCapable of measuring both DC and AC, both pulsed and mixed iHigh isolation voltage between the measuring circuit and the current-carrying conductor (AC2.5KV) iExtended operating temperature range iFlame-Retardant plastic case and silicone encapsulant, using UL classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range Applications iUPS systems iIndustrial robots iNC tooling machines iElevator controllers iProcess control devices iAC and DC servo systems iMotor speed controller iElectrical vehicle controllers iInverter-controlled welding machines iGeneral and special purpose inverters iPower supply for laser processing machines iController for traction equipment eg. electric trains iOther automatic control systems Specifications Parameter Nominal Input Current Supply Voltage Range Supply Voltage 5% Consumption Current Measuring Range Maximum Load Resistance Minimum Load Resistance Conversion Ratio Secondary Current @ Ipn Secondary Resistance Offset Current Overall Accuracy @ Ipn Linearity Response Time (90%Vhn) Frequency bandwidth (-3dB) Thermal Drift of Output Dielectric Strength Isolation Resistance @ 1000 VDC Operating Temperature Storage Temperature Mass Tr fBW RIS Ta Ts W Symbol Ipn VCC/VEE VCC/VEE ICC Ifs RMmax RMmin KN Is RMmax Ios mA % % Psec Hz mA V M C C g - 110 www.topstek.com Unit A DC V V mA A DC 80 37.5 0 100 15 0 12 TQL50A 50 12 --- 15 15 15 mA + Is 80 75 20 1:1000 100 45 20 mA 50 63 @ 25C, 65 @ 80C Within 0.3 mA @ Ip=0, Ta=25C Within 0.3% of Ipn Within 0.1% of Ipn 2 Psec max. @ d If /dt = Ipn / Psec DC to 150kHz Within 0.5mA 0C~80C AC2.5KV X 60 sec >1000 M -20C to 80C -20C to 85C 27 g TQL50A V080201 7/1/2008 Topstek Current Transducer TQL50A Appearance, dimensions and pin identification All dimensions in mm 0.1, holes -0, +0.2 except otherwise noted. Positive current flow direction 10 + _ M Pin Assignment + M Description +12 ~ 15V -12 ~ -15V Measure ( connect RL to 0V Ground ) - 111 www.topstek.com TQL50A V080201 7/1/2008 |
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