Topstek Current Transducer TA5A4V .. TA50A4V Open Loop Current Transducers TA 5A~50A Features Applications 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 (9 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 Symbol Unit TA 5A 4V TA 7.5A 4V TA 10A 4V TA 12.5A 4V TA 15A 4V TA 18.5A 4V TA 20A 4V TA 25A 4V TA 37.5A 4V TA 50A 4V Nominal Input Current Ifn A DC 5 7.5 10 12.5 15 18.5 20 25 37.5 50 Linear Range Ifs A DC ±15 ±23 ±30 ±38 ±45 ±56 ±60 ±75 ±112 ±150 Diameter of Primary Coil d mm 1 1 1.2 1.4 1.4 1.4 1.4 1.6 Turns of Primary Coil T T 5 3 2 2 1 1 1 1 1 1 Ampere-Turn of Primary Coil AT AT 25 22.5 20 25 15 18.5 20 25 37.5 50 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(50nominal) Hysteresis Error Voh mV Within ±15 mV @ If=Ifn0 Supply Voltage VCC/VEE V ±15V ±5% Linearity ( Within ±Ifn ) % Within ±1% of Ifn Consumption Current ICC mA ±9 mA nominal Response Time (90%Vhn) Tr Psec 13 Psec max. @ d If /dt = Ifn / Psec Thermal Drift of Output - %/°C Within ±0.1 %/°C @ Ifn Thermal Drift of Zero Current Offset - mV/°C Within ±3 mV/°C @ Ifn 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 14 g Parameter -8www.topstek.com TA V080201 1.6x2.5 1.6x2.5 7/1/2008 Topstek Current Transducer TA5A4V .. TA50A4V Appearance, dimensions and pin identification for 5A to 25A models All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted 7$$9 Model number and date code marking Pin Assignment +15V -15V PD[ VOUT 0V I+ G I s s s s s [ [ D KROHV H KROHV Part Number a* (mm) d* (mm) e* (mm) TA5A4V 1.3 1.0 1.6 TA7.5A4V 1.3 1.0 1.6 TA10A4V 1.4 1.2 1.8 TA12.5A4V 1.5 1.4 2.0 TA15A4V 1.5 1.4 2.0 TA18.5A4V 1.5 1.4 2.0 TA20A4V 1.5 1.4 2.0 TA25A4V 1.6 1.6 2.2 5A to 25A PCB mounting hole layout -9www.topstek.com TA V080201 7/1/2008 Topstek Current Transducer TA5A4V .. TA50A4V Appearance, dimensions and pin identification for 37.5A to 50A models All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted 7$$ Model number and date code marking Pin Assignment max G s -15V VOUT 0V I+ I- s s s [ x Part Number a* (mm) TA37.5A TA50A d1xd2 (mm) hole (mm) 1.7 1.6x2.5 2.2x4.9 1.7 1.6x2.5 2.2x4.9 +15V s G KROHV TA37.5A..TA50A PCB mounting hole layout - 10 www.topstek.com TA V080201 7/1/2008 Topstek Current Transducer TA5A4V .. TA50A4V Appearance, dimensions and pin identification for TA37.5A-P .. TA50A-P models All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted TA50A-P 06322 Model number and date code marking G s s +15V -15V VOUT 0V I+ I- s s x s x Part Number a* (mm) TA37.5A-P TA50A-P d1xd2 (mm) hole (mm) 1.7 1.6x2.5 2.2x4.9 1.7 1.6x2.5 2.2x4.9 G max Pin Assignment KROHV TA37.5A-P..TA50A-P PCB mounting hole layout - 11 www.topstek.com TA V080201 7/1/2008