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Topstek

TW300A Datasheet Preview

TW300A Datasheet

Current Transducers

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Topstek Current Transducers TW25A .. TW300A
TW 25A~300A
Features
Highly reliable Hall Effect device
Applications
Compact and light weight. Two sensors in one package
Fast response time
Excellent linearity of the output voltage over a wide input range
Excellent frequency response (> 50 kHz)
Low power consumption (22 mA nominal)
Capable of measuring both DC and AC, both pulsed and mixed
High isolation voltage between the measuring circuit and the
current-carrying conductor (AC2.5KV)
Extended operating temperature range
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
UPS systems
Industrial robots
NC tooling machines
Elevator controllers
Process control devices
AC and DC servo systems
Motor speed controller
Electrical vehicle controllers
Inverter-controlled welding machines
General and special purpose inverters
Power supply for laser processing machines
Controller for traction equipment e.g. electric trains
Other automatic control systems
Specifications
Parameter
Nominal Input Current
Symbol Unit
Ifn A DC
TW TW TW
25A 37.5A 50A
25 37.5 50
TW TW TW TW TW TW TW TW
75A 100A 125A 150A 175A 200A 250A 300A
75 100 125 150 175 200 250 300
Linear Range
Ifs A DC ±75 ±112.5 ±150 ±225 ±300 ±375 ±450 ±525 ±600 ±750 ±750
Nominal Output Voltage
Vhn V
4 V±1% @ If=Ifn ( RL=10kΩ)
Offset Voltage
Vos mV
Within ±35 mV @ If=0, Ta=25°C
Output Resistance
ROUT
Ω
<100Ω(50Ωnominal)
Hysteresis Error
Voh mV
Within ±30 mV @ If=Ifn→0
Supply Voltage
VCC/VEE V
±15V ±5%
Linearity
ρ%
Within ±1% of Ifn
Consumption Current
ICC mA
±22 mA nominal, ±30 mA max
Response Time (90%Vhn)
Tr µsec
5 µsec max. @ d If /dt = Ifn / µsec
Frequency bandwidth (-3dB) fBW Hz
DC to 50kHz
Thermal Drift of Output
Thermal Drift of
Zero Current Offset
Dielectric Strength
Isolation Resistance
@ 1000 VDC
Operating Temperature
- %/°C
Within ±0.1 %/°C @ Ifn
- mV/°C < ±3 mV/°C < ±1.5 mV/°C
< ±1 mV/°C
-V
AC2.5KV X 60 sec
RIS
>1000 MΩ
Ta °C
-15°C to 80°C
Storage Temperature
Ts °C
-20°C to 85°C
Mass
Wg
150 g
- 125 -
www.topstek.com
TW V3 10/11/2011




Topstek

TW300A Datasheet Preview

TW300A Datasheet

Current Transducers

No Preview Available !

Topstek Current Transducers TW25A .. TW300A
Appearance, dimensions and pin identification
All dimensions in mm ±0.5, holes –0, +0.2 except otherwise noted.
Positive current flow direction
90
4 82 4
12 3 4 5
4-P2.54
45 45
72
R17.5
36
15
37
12 12.5 12.5
12
Gain B Offset B
15
Offset A Gain A
15
90
- 126 -
www.topstek.com
Pin Assignment
1 0V
2 B output
3 A output
4 -15V
5 +15V
Output Connector: Molex 5045-05
Matching connector: 5102-05, 5051-05
20
TW V3 10/11/2011


Part Number TW300A
Description Current Transducers
Maker Topstek
Total Page 2 Pages
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