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TKD8A Datasheet(PDF) 1 Page - Topstek Inc. |
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TKD8A Datasheet(HTML) 1 Page - Topstek Inc. |
1 / 2 page Topstek Current Transducer TKD3A .. TKD20A - 65 - www.topstek.com TKD V080201 7/1/2008 TKD 3A~20A 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 (20 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 Applications 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 TKD3A .. TKD20A Nominal Input Current Ifn A DC 3 .. 20 Linear Range Ifs A DC ±9 .. ±60 = 3x Ifn 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=Ifn 0 Supply Voltage VCC/VEE V ±15V ±5% Linearity % Within ±1% of Ifn Consumption Current ICC mA ±20 mA nominal, ±30 mA max Response Time (90%Vhn) Tr Psec 5 Psec max. @ d If /dt = Ifn / 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 Within ±1.5 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 15 g |
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