Topstek Current Transducer TKM3A .. TKM50A TKM 3A~50A
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 (12 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 TKM3A .. TKM50A 3 .. 50 ±9 .. ±150 = 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 10 g
- 71 www.topstek.com
TKM
V080201
7/1/2008
Topstek Current Transducer TKM3A .. TKM50A
Appearance, dimensions and pin identification
All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted.
Pin Assignment -15V
max
max
0V +15V VOUT I+ I-
TKM10A 04252
max
Secondary pins 4x(0.25x0.5)
Primary
Primary Primary
Bottom View
3A to 25A PCB mounting hole layout Positive current flow direction
Part Number d(mm) e(mm)
TKM3A TKM4A TKM5A TKM6A TKM7.5A
TKM10A
TKM12.5A
TKM15A
TKM18.5A
TKM25A TKM20A TKM37.5A TKM50A
0.6 1.2
0.8 1.2
0.8 1.2
0.8 1.2
1.0 1.6
1.2 1.8
1.2 1.8
1.4 2.2
1.4 2.2
1.6 2.4
1.6 2.4
- 72 www.topstek.com
TKM
V080201
7/1/2008
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