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Current Transducers. TD50A-SP1 Datasheet |
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![]() TopsTek Current Transducers TD25A-SP1 .. TD400A-SP1
TD 25A~400A-SP1
Features
♦ High reliability Hall effect device
♦ Compact and light weight
♦ Quick response speed (7 µsec)
♦ Excellent linearity of the output voltage over a wide input range
♦ Excellent frequency response (> 50 kHz)
♦ Low power consumption (12 mA nominal)
♦ Capability of measuring both DC, AC, 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 encapsulant, using UL
classified materials, protect against environmental contaminants
and vibration over a wide temperature and humidity range
Applications
♦UPS systems
♦Industrial robots
♦NC tooling machines
♦Controller of elevators
♦Process control devices
♦AC and DC servo systems
♦Speed controller of motors
♦Controller of electrical vehicles
♦Inverter-controlled welding machines
♦General and special purpose inverters
♦Power supply of laser processing machines
♦Controller of traction equipment such as electric trains
♦Other automatic control systems
Specifications
Parameter
Symbol Unit 25A 50A 75A 100A 125A 150A 175A 200A 250A 300A 400A
Nominal Input Current
Ifn A DC 25 50 75 100 125 150 175 200 250 300 400
Linear Range
Ifs A DC ±75 ±150 ±225 ±300 ±375 ±450 ±525 ±600 ±750 ±900 ±1000
Nominal Output Voltage
Vhn V
4 V±2% at If=Ifn ( RL=10kΩ)
Offset Voltage
Vos mV
Within ±35 mV @ If=0, Ta=25℃
Output Resistance
ROUT
Ω
<100Ω(50Ωnominal)
Hysteresis Error
Voh mV
Within ±35 mV @ If=Ifn→0
Supply Voltage
VCC/VEE V
±15V ±5%
Linearity
ρ%
Within ±1% of Ifn
Consumption Current
ICC mA
±12 mA nominal, ±15 mA max
Response Time (90%Vhn)
Tr µsec
7 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
- %/℃
- mV/℃
-V
RIS MΩ
Ta ℃
Within ±0.05 %/℃ @ Ifn
Within ±1.5 mV/℃ @ Ifn
AC2.5KV X 60 sec
>1000 MΩ
-15 ℃ to 80 ℃
Storage Temperature
Ts ℃
-20 ℃ to 85 ℃
Mass W g
28 g
- 22 -
www.topstek.com
TD-SP1 V3 10/11/2011
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![]() TopsTek Current Transducers TD25A-SP1 .. TD400A-SP1
Appearance, dimensions and pin identification
All dimensions in mm ±0.5, holes –0, +0.2 except otherwise noted
TD200A-SP1
08321
24.5
Gain Offset
39
0.64
+0.06
-0.04
16
4321
6.5
3x2.54±0.1
2x 2 mounting post
±0.05
10 19±0.1
- 23 -
www.topstek.com
14
0.64
6±1
Pin Assignment
1 +15V
2 -15V
3 VOUT
4 0V
TD-SP1 V3 10/11/2011
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