Topstek Current Transducer TQH10A .. TQH50A-SP1 TQH10A~50A-SP1 Features Applications iHighly reliable Closed Loop Hall Effect device iCompact and light weight iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 100 kHz) iLow power consumption at quiescent state (10 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 encapsulant, 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 eg. electric trains iOther automatic control systems Specifications Parameter Symbol Unit TQH10A-SP1 TQH12A-SP1 TQH17A-SP1 TQH25A-SP1 TQH50A-SP1 Nominal Input Current Ipn A DC ±10 ±12.5 ±16.667 ±25 ±50 Linear Range Ifs A DC ±15 ±19 ±25 ±38 ±75 Conversion Ratio KN - 5:1000 4:1000 3:1000 2:1000 1:1000 Consumption Current@ If=Ipn ICC mA 62 62 62 62 62 Max Sec. Resistance@25°C RCmax 59 59 59 59 59 Max Sec. Resistance@80°C RCmax 61 61 61 61 61 Maximum Load Resistance RMmax 80 80 80 80 80 Minimum Load Resistance RMmin 65 65 65 65 65 Nominal Output Current Ion mA ±50 ±50 ±50 ±50 ±50 Supply Voltage Range VCC/VEE V ±12V … ±15V±5% Offset Current Ios mA Within ±0.2 mA @ Ip=0, Ta=25°C Hysteresis Error Ioh mA Within ±0.2 mA @ If=Ifn0 Linearity % Within ±0.5% of Ifn Response Time (90%Vhn) Tr Psec Frequency Bandwidth (-3dB) fBW Hz DC to 100kHz Thermal Drift of Output - %/°C Within ±0.02 %/°C @ Ifn Thermal Drift of Zero Current Offset - mA/°C Within ±0.4mA 0°C~80°C Dielectric Strength - V AC2.5KV X 60 sec Isolation Resistance @ 1000 VDC RIS M >1000 M Operating Temperature Ta °C -40°C to 80°C Storage Temperature Ts °C -40°C to 85°C Mass W g <14 g 1.2 Psec max. -1www.topstek.com @ d If /dt = Ipn / Psec TQH-SP1 V080707 7/7/2008 Topstek Current Transducer TQH10A .. TQH50A-SP1 Appearance, dimensions and pin identification All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted. max max 74+$ 63 s PD[ max Secondary pins 4x(0.5x0.25) [ʻ; Primary[ G 3 Pin Assignment -15V NC +15V IOUT I+ I- Bottom View Nominal Primary Current 3--4A 5--7A d (mm) 0.6 0.8 7.5--12A 12.5--25A 30--37.5A -2www.topstek.com 1.0 1.3 1.4 TQH-SP1 40--50A 1.6 V080707 7/7/2008