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TK7.5A Datasheet(PDF) 1 Page - Topstek Inc.

Part No. TK7.5A
Description  Topstek Current Transducer
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Maker  TOPSTEK [Topstek Inc.]
Homepage  http://www.topstek.com
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TK7.5A Datasheet(HTML) 1 Page - Topstek Inc.

   
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Topstek Current Transducer TK3A .. TK50A
- 62 -
www.topstek.com
TK
V080201
7/1/2008
TK 3A~50A
Features
iHighly reliable Hall Effect device
iCompact and light weight
iFast response time
iExcellent linearity of the output voltage over a wide input range
iExcellent frequency response (> 50 kHz)
iLow power consumption (12 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 encapsulate, 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 e.g. electric trains
iOther automatic control systems
Specifications
Parameter
Symbol Unit
TK3A .. TK50A
Nominal Input Current
Ifn
A DC
3 .. 50
Linear Range
Ifs
A DC
±9 .. ±150 = 3x Ifn
Nominal Output Voltage
Vhn
V
4 V±1% at If=Ifn ( RL=10k)
Offset Voltage
Vos
mV
Within ±40 mV @ If=0, Ta=25°C
Output Resistance
ROUT
<100
Hysteresis Error
Voh
mV
Within ±15 mV @ If=Ifn
0
Supply Voltage
VCC/VEE
V
±15V ±5%
Linearity
%
Within ±1% of Ifn
Consumption Current
ICC
mA
±12 mA nominal, ±16 mA max
Response Time (90%Vhn)
Tr
Psec
5
Psec max. @ d If /dt = Ifn / Psec
Frequency bandwidth (-3dB)
fBW
Hz
DC to 50kHz
Thermal Drift of Output
-
%/°C
Within ±0.1 %/°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
-15°C to 80°C
Storage Temperature
Ts
°C
-20°C to 85°C
Mass
W
g
10 g


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