TK50A V080201 TK20A TK10A TK15A TK25A TK30A

TK 3A~50A Applications Features iHighly reliable Hall Effect device iCompact and light weight iFast response time iExcellent

Topstek Current Transducer TK3A . TK50A TK50A TK 3A~50A Applications 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 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 TK3A . TK50A TK50A Nominal Input Current Ifn A DC 3 . 50 Linear Range Ifs A DC ±9 . ±150 = 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 1000 M Operating Temperature Ta °C -15°C to 80°C Storage Temperature Ts °C -20°C to 85°C Mass W g 10 g 5 Psec max. Within - 62 www.topstek.com @ d If /dt = Ifn / Psec ±1.5 mV/°C @ Ifn TK V080201 V080201 7/1/2008 Topstek Current Transducer TK3A . TK50A TK50A Appearance, dimensions and pin identification for TK3A . TK20A 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 3A to 20A PCB mounting hole layout TK3A TK4A TK5A TK6A TK7.5A TK10A TK10A TK12.5A TK15A TK15A TK18.5A TK20A TK20A d(mm) 0.6 0.8 0.8 0.8 1.0 1.2 1.2 1.4 1.4 1.6 e(mm) 1.2 1.2 1.2 1.2 1.6 1.8 1.8 2.2 2.2 2.4 - 63 www.topstek.com TK V080201 V080201 7/1/2008 Topstek Current Transducer TK3A . TK50A TK50A Appearance, dimensions and pin identification for TK25A TK25A . TK50A 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 I- 25A to 50A PCB mounting hole layout Part Number TK25A TK25A TK30A TK30A TK37.5A TK50A TK50A d(mm) 1x2 1x2 1x2.8 1x2.8 e(mm) 1.6x2.8 1.6x2.8 1.6x3.2 1.6x3.2 - 64 www.topstek.com TK V080201 V080201 7/1/2008