Topstek Current Transducers
Description
Topstek Current Transducers TD25A .
.
TD400A
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TD 25A~400A
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
Features
i Highly reliable Hall Effect device i Compact and light weight 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 (12 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 Symbol Ifn Ifs Vhn Vos ROUT Voh VCC/VEE ȡ ICC Tr fBW RIS Ta Ts W Unit A DC A DC V mV ȍ mV V % mA Psec Hz %/°C mV/°C V Mȍ °C °C g 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 V±1% at If=Ifn ( RL=10kȍ) Within ±35 mV @ If=0, Ta=25°C <100ȍ(50ȍnominal) Within ±35 mV @ If=Ifnĺ0 ±15V ±5% Within ±1% of Ifn ±12 mA nominal, ±1...
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