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| Topstek Current Transducer THX20A .. THX50A THX 20A~50A Features iHighly reliable Hall Effect device iWide selectable input ranges with flexible pin configurations. iCompact and light weight iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 50 kHz) iLow power consumption (<12 mA) 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 encapsulate, 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 e.g. electric trains iOther automatic control systems Specifications Parameter Symbol Unit Configuration Primary Pin Configurations (to change N and Ifn) Number of Primary Turns Nominal Input Current THX20A Linear Range Nominal Input Current THX30A Linear Range Nominal Input Current THX50A Linear Range Nominal Output Voltage Nominal Output @ If = 0 Output Resistance Hysteresis Error Supply Voltage Linearity Consumption Current Response Time (90%Vhn) Frequency bandwidth (-3dB) Thermal Drift of Output Thermal Drift of Zero Current Offset Dielectric Strength Isolation Resistance @ 1000 VDC Operating Temperature Storage Temperature Mass N Ifn Ifs Ifn Ifs Ifn Ifs Vhn VREF ROUT Voh VCC/VEE ICC Tr fBW RIS Ta Ts W A DC A DC A DC A DC A DC A DC V V mV V % mA Psec Hz %/C mV/C V M C C g 1 20 60 30 90 50 150 2 4 10 5 30 15 15 7.5 45 22.5 25 12.5 75 37.5 VREF +0.625 V1% at If=Ifn ( RL=10k ) VCC/2 12.5 mV, Ta=25C <50 Within 5 mV @ If=Ifn 0 +5V 5% Within 0.5% of Ifn <12 mA 5 Psec max. @ d If /dt = Ifn / Psec DC to 50kHz Within 0.1 %/C @ Ifn Within 0.4 mV/C @ Ifn AC2.5KV X 60 sec >1000 M -15C to 80C -20C to 85C 10 g - 56 www.topstek.com THX V080201 7/1/2008 Topstek Current Transducer THX20A .. THX50A Appearance, dimensions and pin identification All dimensions in mm 0.1, holes -0, +0.2 except otherwise noted. Primary Current Input Pins pin I+ 1,3,5,7 I2,4,6,8 - 57 www.topstek.com THX V080201 7/1/2008 |
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