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TQDV25A Datasheet(PDF) 1 Page - Topstek Inc.

Part No. TQDV25A
Description  Topstek Current Transducer
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Maker  TOPSTEK [Topstek Inc.]
Homepage  http://www.topstek.com
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TQDV25A Datasheet(HTML) 1 Page - Topstek Inc.

   
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Topstek Current Transducer TQDV25A .. TQDV200A
- 100 -
www.topstek.com
TQDV
V080201
7/1/2008
Closed Loop Current Transducers
TQDV25A ~150A
Features
iHighly reliable Closed Loop Hall Effect device
iOpen Loop CT voltage output format: 4V out at nominal input
iCompact and light weight
iFast response time
iExcellent linearity of the output voltage over a wide input range
iExcellent frequency response (> 150 kHz)
iLow power consumption at quiescent state (10 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 encapsulant, using UL
classified materials, ensures protection against environmental
contaminants and vibration over a wide temperature and
humidity range
Applications
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 eg. electric trains
iOther automatic control systems
Specifications
Parameter
Symbol
Unit
TQDV
25A
TQDV
37.5A
TQDV
50A
TQDV
75A
TQDV
100A
TQDV
125A
Nominal Input Current
Ifn
A DC
±25
±37.5
±50
±75
±100
±125
Linear Range
Ifs
A DC
±63
±94
±125
±188
±250
±313
Secondary Coil Current
IS
A
If /1000
If /2000
Consumption Current@ If=Ifn
ICC
mA
35
50
60
48
60
72
Nominal Output Voltage
Vhn
V
±4 V±1% at If=Ifn ( RL=10k) , Ta=25°C
Supply Voltage Range
VCC/VEE
V
±15V ±5%
Offset Voltage
Vos
mV
Within ±40 mV @ If=0, Ta=25°C
Output Resistance
ROUT
<100(50 nominal)
Hysteresis Error
Voh
mV
Within ±35 mV @ If=Ifn
0
Linearity
%
Within ±0.2% of Ifn
Response Time (90%Vhn)
Tr
Psec
3
Psec max. @ d If /dt = Ipn / Psec
Frequency Bandwidth (-3dB)
fBW
Hz
DC to 150kHz
Thermal Drift of Output
-
%/°C
Within ±0.02 %/°C @ Ifn
Thermal Drift of
Zero Current Offset
-
mV/°C
Within
±1.5 mV/°C @ Ifn
Dielectric Strength
-
V
AC2.5KV X 60 sec
Isolation Resistance
@ 1000 VDC
RIS
M
>1000 M
Operating Temperature
Ta
°C
-40°C to 80°C
Storage Temperature
Ts
°C
-40°C to 85°C
Mass
W
g
28 g


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