Topstek Current Transducer THDD5A .. THDD50A THDD 5A~50A Features Applications iHighly reliable Hall Effect device iCompact and light weight. Two sensors in one package iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 50 kHz) iLow power consumption (33 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 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 3A 5A 7.5A 10A 15A 18.5A 20A 25A 30A 37.5A 50A 50 Nominal Input Current Ifn A DC 3 5 7.5 10 15 18.5 20 25 30 37.5 Linear Range Ifs A DC ±9 ±15 ±22.5 ±30 ±45 ±56 ±60 ±75 ±90 ±113 ±150 Primary Wire Diameter d mm 0.6 0.8 1.0 1.2 1.6 1.6 1.6 1.6 1.6 1.6x2 1.6x2 Nominal Output Voltage Vhn V 4 V±1% @ If=Ifn ( RL=10k) Offset Voltage Vos mV Within ±40 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 ±33 mA nominal, ±45 mA max Response Time (90%Vhn) Tr Psec Response Performance - % 10% Overshoot max. fBW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.1 %/°C @ Ifn Thermal Drift of Zero Current Offset - mV/°C < ±2 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 26 g Frequency bandwidth (-3dB) 3 Psec max. - 43 www.topstek.com @ d If /dt = Ifn / Psec THDD V080201 7/1/2008 Topstek Current Transducer THDD5A .. THDD50A Appearance, dimensions and pin identification All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. For models Ifn <=30A primary wire=0.6~1.6x1 For models Ifn >30A primary wire=1.6x2 PD[ PD[ s THDD50A 07235 Secondary pins 5x(0.5x0.25) Primary 8x d [ 1 2 3 4 5 6 7 8 9 Gnd +15V -15V VOUT1 VOUT2 I1+ I1I2+ I2- - 44 www.topstek.com THDD V080201 7/1/2008