Topstek Current Transducers TD25A .. TD400A TD 25A~400A Applications Features 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 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 Specifications Symbol Unit TD 25A TD 50A TD TD TD TD TD TD TD TD TD TD 75A 100A 125A 150A 175A 200A 250A 300A 350A 400A Nominal Input Current Ifn A DC 25 50 75 Linear Range Ifs A DC ±75 ±150 ±225 ±300 ±375 ±450 ±525 ±525 ±550 ±550 ±550 ±600 Nominal Output Voltage Vhn V 4 V±1% at If=Ifn ( RL=10k) Offset Voltage Vos mV Within ±35 mV @ If=0, Ta=25°C Output Resistance ROUT <100(50nominal) Hysteresis Error Voh mV Within ±35 mV @ If=Ifn0 Supply Voltage VCC/VEE V ±15V ±5% Linearity % Within ±1% of Ifn Consumption Current ICC mA ±12 mA nominal, ±15 mA max Response Time (90%Vhn) Tr Psec Frequency bandwidth (-3dB) fBW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.05 %/°C @ Ifn Thermal Drift of Zero Current Offset - mV/°C Dielectric Strength - V AC2.5KV X 60 sec Isolation Resistance @ 1000 VDC RIS M >1000 M Operating Temperature Ta °C -15°C to 80°C Storage Temperature Ts °C -20°C to 85°C Mass W g 28 g Parameter 100 125 150 7 Psec max. Within - 22 www.topstek.com @ 175 200 250 300 350 400 d If /dt = Ifn / Psec ±1.5 mV/°C @ Ifn 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. max Gain Offset s s [ [ mounting post +15V -15V VOUT 0V Pin Assignment - 23 www.topstek.com TD V080201 7/1/2008