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| Topstek Current Transducers TD25A .. TD400A TD 25A~400A Features iHighly reliable Hall Effect device 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 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 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 Nominal Input Current Linear Range Nominal Output Voltage Offset Voltage 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 ICC Tr fBW RIS Ta Ts W Symbol Ifn Ifs Vhn Vos ROUT Voh VCC/VEE mV V % mA Psec Hz %/C mV/C V M C C g Unit A DC A DC V mV TD 25A 25 TD 50A 50 TD TD TD TD TD TD TD TD TD TD 75A 100A 125A 150A 175A 200A 250A 300A 350A 400A 75 100 125 150 175 200 250 300 350 400 75 150 225 300 375 450 525 525 550 550 550 600 4 V1% at If=Ifn ( RL=10k ) Within 35 mV @ If=0, Ta=25C <100 (50 nominal) Within 35 mV @ If=Ifn 0 15V 5% Within 1% of Ifn 12 mA nominal, 15 mA max 7 Psec max. @ d If /dt = Ifn / Psec DC to 50kHz Within 0.05 %/C @ Ifn Within 1.5 mV/C @ Ifn AC2.5KV X 60 sec >1000 M -15C to 80C -20C to 85C 28 g - 22 www.topstek.com TD V080201 7/1/2008 Topstek Current Transducers TD25A .. TD400A Appearance, dimensions and pin identification All dimensions in mm 0.1, holes -0, +0.2 except otherwise noted. Gain Offset max mounting post Pin Assignment +15V -15V VOUT 0V - 23 www.topstek.com TD V080201 7/1/2008 |
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