Topstek Current Transducer TH3A .. TH50A TH 3A~50A Applications 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 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 Nominal Input Current Ifn A DC Linear Range Ifs A DC Nominal Output Voltage Vhn V 4 V±1% at If=Ifn ( RL=10k) Offset Voltage Vos mV Within ±40 mV @ If=0, Ta=25°C Output Resistance ROUT <100 Hysteresis Error Voh mV Within ±15 mV @ If=Ifn0 Supply Voltage VCC/VEE V Linearity % Within ±1% of Ifn Consumption Current ICC mA ±12 mA nominal, ±16 mA max Response Time (90%Vhn) Tr Psec Frequency bandwidth (-3dB) fBW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.1 %/°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 10 g - 38 www.topstek.com TH3A .. TH50A TH3A-B12 .. TH50A-B12 3 .. 50 ±9 .. ±150 = 3x Ifn ±7.2 .. ±120 = 2.4x Ifn ±15V ±5% ±12V ±5% 5 Psec max. Within @ d If /dt = Ifn / Psec ±1.5 mV/°C @ Ifn TH V080201 7/1/2008 Topstek Current Transducer TH3A .. TH50A Appearance, dimensions and pin identification for TH3A .. TH30A models All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. max s max TH 3A 04252 Primary[ G [[ [ [ G Pin Assignment [ s [ Secondary pins 4x(0.5x0.25) [ H -15V 0V +15V Vout Part Number 1-3A 4-6A 6-9A 10-12.5A 13-18.5A I+ d(mm) 0.6 0.8 1.0 1.2 1.4 1.6 I- e(mm) 1.2 1.2 1.6 1.8 2.2 2.4 PCB mounting hole layout Positive current flow direction Bottom View - 39 www.topstek.com TH 20-30A V080201 7/1/2008 Topstek Current Transducer TH3A .. TH50A Appearance, dimensions and pin identification for TH37.5A .. TH50A models All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. max s Primary[[ [ [ [ max TH50A 04252 Secondary pins 4x(0.5x0.25) [; Bottom View PCB mounting hole layout Positive current flow direction Pin Assignment -15V 0V +15V Part Number TH37.5A TH50A Vout d(mm) 1.3x5 1.3x5 I+ e(mm) 2.0x6 2.0x6 I- 40 www.topstek.com TH V080201 7/1/2008