TW37.5A

Topstek Current Transducers TW25A .. TW300A Features TW 25A~300A Applications i UPS systems i Industrial robots i NC tooling machines i Elevator controllers i Process control devices i AC and DC servo systems i Motor speed controller i Electrical vehicle controllers i Inverter-controlled welding machines i General and special purpose inverters i Power supply for laser processing machines i Controller for traction equipment e.g. electric trains i Other automatic control systems i Highly reliable Hall Effect device i Compact and light weight. Two sensors in one package i Fast response time i Excellent linearity of the output voltage over a wide input range i Excellent frequency response (> 50 kHz) i Low power consumption (22 mA nominal) i Capable of measuring both DC and AC, both pulsed and mixed i High isolation voltage between the measuring circuit and the current-carrying conductor (AC2.5KV) i Extended operating temperature range i Flame-Retardant plastic case and silicone encapsulate, using UL classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range 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 Unit Ifn Ifs Vhn Vos ROUT Voh VCC/VEE mV V % mA Psec Hz %/°C mV/°C V M °C °C g < ±3 mV/°C < ±1.5 mV/°C AC2.5KV X 60 sec >1000 M -15°C to 80°C -20°C to 85°C 150 g A DC A DC V mV TW TW TW 25A 37.5A 50A 25 37.5 50 TW 75A 75 TW TW TW TW TW TW TW 100A 125A 150A 175A 200A 250A 300A 100 125 150 175 200 250 300 ±75 ±112.5 ±150 ±225 ±300 ±375 ±450 ±525 ±600 ±750 ±750 4 V±1% @ If=Ifn ( RL=10k ) Within ±35 mV @ If=0, Ta=25°C