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TMA25A Datasheet(PDF) 1 Page - Topstek Inc.

Part No. TMA25A
Description  Topstek Current Transducer
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Maker  TOPSTEK [Topstek Inc.]
Homepage  http://www.topstek.com
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TMA25A Datasheet(HTML) 1 Page - Topstek Inc.

   
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Topstek Current Transducer TMA25A .. TMA600A
- 80 -
www.topstek.com
TMA
V080201
7/1/2008
TMA 25A~600A
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 TMA25A TMA50A TMA100A TMA150A TMA200A TMA300A TMA400A TMA600A
Nominal Input Current
Ifn
A DC
±25
±50
±100
±150
±200
±300
±400
±600
Linear Range
Ifs
A DC
±75
±150
±300
±450
±600
±900
±900
±900
Nominal Output Voltage
Vhn
V
4.0 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 ±20 mV @ If=Ifn
0
Supply Voltage
VCC/VEE
V
±15V ±5%
Linearity
%
Within ±1% of Ifn
Consumption Current
ICC
mA
±15 mA max
Response Time (90%Vhn)
Tr
Psec
10
Psec @ 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
65 g


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