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| Topstek Current Transducer TK3A .. TK50A TK 3A~50A 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 (12 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 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 TK3A .. TK50A 3 .. 50 9 .. 150 = 3x Ifn 4 V1% at If=Ifn ( RL=10k ) Within 40 mV @ If=0, Ta=25C <100 Within 15 mV @ If=Ifn 0 15V 5% Within 1% of Ifn 12 mA nominal, 16 mA max 5 Psec max. @ d If /dt = Ifn / Psec DC to 50kHz Within 0.1 %/C @ Ifn Within 1.5 mV/C @ Ifn AC2.5KV X 60 sec >1000 M -15C to 80C -20C to 85C 10 g - 62 www.topstek.com TK V080201 7/1/2008 Topstek Current Transducer TK3A .. TK50A Appearance, dimensions and pin identification for TK3A .. TK20A models All dimensions in mm 0.2, holes -0, +0.2 except otherwise noted. max max max Secondary pins 4x(0.5x0.3) Primary Pin Assignment -15V 0V +15V Vout I+ I- Bottom View Part Number d(mm) e(mm) 3A to 20A PCB mounting hole layout TK10A 1.2 1.8 TK12.5A TK15A 1.2 1.8 1.4 2.2 TK18.5A TK20A 1.4 2.2 1.6 2.4 TK3A TK4A TK5A TK6A TK7.5A 0.6 1.2 0.8 1.2 0.8 1.2 0.8 1.2 1.0 1.6 - 63 www.topstek.com TK V080201 7/1/2008 Topstek Current Transducer TK3A .. TK50A Appearance, dimensions and pin identification for TK25A .. TK50A models All dimensions in mm 0.2, holes -0, +0.2 except otherwise noted. Positive current flow direction max max max Secondary pins 4x(0.5x0.3) Primary Pin Assignment -15V 0V +15V Vout I+ Bottom View Part Number d(mm) e(mm) 25A to 50A PCB mounting hole layout TK25A TK30A TK37.5A TK50A I- 1x2 1.6x2.8 1x2 1.6x2.8 1x2.8 1.6x3.2 1x2.8 1.6x3.2 - 64 www.topstek.com TK V080201 7/1/2008 |
Price & Availability of TK185A
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