TKD37A

Topstek Current Transducer TKD3A .. TKD20A TKD 3A~20A 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 Unit A DC A DC V mV TKD3A .. TKD20A 3 .. 20 ±9 .. ±60 = 3x Ifn 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 - 65 www.topstek.com TKD V080201 7/1/2008 Topstek Current Transducer TKD3A .. TKD20A Appearance, dimensions and pin identification All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. 22.00 Pin Assignment +15V -15V 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 - 66 www.topstek.com TKD V080201 7/1/2008