TKDD21A

Topstek Current Transducer TKDD3A .. TKDD40A TKDD 3A~40A Features i Highly reliable Hall Effect device i Compact and light weight i Fast response time i Excellent linearity of the output voltage over a wide input range i Excellent frequency response (> 50 kHz) i Low power consumption (20 mA nominal) i Capable of measuring both DC and AC, both pulsed and mixed i High isolation voltage between the measuring circuit and the current-carrying conductor (AC2.5KV) i Extended operating temperature range i Flame-Retardant plastic case and silicone encapsulate, using UL classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range Applications i UPS systems i Industrial robots i NC tooling machines i Elevator controllers i Process control devices i AC and DC servo systems i Motor speed controller i Electrical vehicle controllers i Inverter-controlled welding machines i General and special purpose inverters i Power supply for laser processing machines i Controller for traction equipment e.g. electric trains i Other automatic control systems Specifications Parameter Nominal Input Current Linear Range Nominal Output Voltage Offset Voltage Output Resistance Hysteresis Error Supply Voltage Linearity Consumption Current Response Time (90%Vhn) Frequency bandwidth (-3dB) Thermal Drift of Output Thermal Drift of Zero Current Offset Dielectric Strength Isolation Resistance @ 1000 VDC Operating Temperature Storage Temperature Mass ICC Tr fBW RIS Ta Ts W Symbol Ifn Ifs Vhn Vos ROUT Voh VCC/VEE mV V % mA Psec Hz %/°C mV/°C V M °C °C g ±12V ±5% Within ±1% of Ifn ±20 mA nominal, ±30 mA max 5 Psec max. @ d If /dt = Ifn / Psec Unit A DC A DC V mV ±7.2 .. ±96 = 2.4x Ifn TKDD3A-B12 .. TKDD40A-B12 3 .. 40 ±9 .. ±120 = 3x Ifn TKDD3A .. TKDD40A 4 V±1% at If=Ifn ( RL=10k ) Within ±40 mV @ If=0, Ta=25°C 1000 M -15°C to 80°C -20°C to 85°C 15 g - 67 www.topstek.com TKDD V080201 7/1/2008 Topstek Current Transducer TKDD3A .. TKDD40A Appearance, dimensions and pin identification All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. Pin Assignment +VCC -VEE Output 1 Output 2 GND + Input 1 - Input 1 + Input 2 - Input 2 Bottom View Primary Current Input Pin Diameter d(mm) 1-3A 0.6 4-8A 0.8 9-15A 1.2 16-40A 1.4 - 68 www.topstek.com TKDD V080201 7/1/2008