TW25A TOPSTEK | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 2
Technical content
Features
/g105Highly reliable Hall Effect device /g105Compact and light weight. Two sensors in one package /g105Fast response time /g105Excellent linearity of the output voltage over a wide input range /g105Excellent frequency response (> 50 kHz) /g105Low power consumption (22 mA nominal) /g105Capable of measuring both DC and AC, both pulsed and mixed /g105High isolation voltage between the measuring circuit and the current-carrying conductor (AC2.5KV) /g105Extended operating temperature range /g105Flame-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
/g105UPS systems /g105Industrial robots /g105NC tooling machines /g105Elevator controllers /g105Process control devices /g105AC and DC servo systems /g105Motor speed controller /g105Electrical vehicle controllers /g105Inverter-controlled welding machines /g105General and special purpose inverters /g105Power supply for laser processing machines /g105Controller for traction equipment e.g. electric trains /g105Other automatic control systems Specifications Parameter Symbol Unit TW 25A TW 37.5A TW 50A TW 75A TW 100A TW 125A TW 150A TW 175A TW 200A TW 250A TW 300A Nominal Input Current I fn A DC 25 37.5 50 75 10 0 125 150 175 200 250 300 Linear Range I fs A DC ±75 ±112.5 ±150 ±225 ±300 ±375 ±450 ±525 ±600 ±750 ±750 Nominal Output Voltage V hn V 4 V±1% @ If=I fn ( RL=10k/g525) Offset Voltage V os mV Within ±35 mV @ I f=0, Ta=25°C Output Resistance R OUT /g525 <100/g525(50/g525nominal) Hysteresis Error V oh mV Within ±30 mV @ I f=Ifn/g3140 Supply Voltage V CC/VEE V ±15V ±5% Linearity /g545 % Within ±1% of I fn Consumption Current I CC mA ±22 mA nominal, ±30 mA max Response Time (90%Vhn) T r /g80sec 5 /g80sec max. @ d If /dt = Ifn / /g80sec Frequency bandwidth (-3dB) f BW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.1 %/°C @ I fn Thermal Drift of Zero Current Offset - mV/°C < ±3 mV/°C < ±1.5 mV/°C < ±1 mV/°C Dielectric Strength - V AC2.5KV X 60 sec Isolation Resistance @ 1000 VDC RIS M/g525 >1000 M/g525 Operating Temperature T a °C -15°C to 80°C Storage Temperature T s °C -20°C to 85°C Mass W g 150 g
Topstek Current Transducers TW25A .. TW300A - 99 - www.topstek.com TW V080201 7/1/2008 Pin Assignment -15V +15V B output A output Gain B Offset B Offset A Gain A Positive current flow direction Appearance, dimensions and pin identification All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted.