Topstek Current Transducers TD25A .. TD400A
TD 25A~400A
Applications
Features
ꢀUPS systems
ꢀHighly reliable Hall Effect device
ꢀCompact and light weight
ꢀFast response time
ꢀIndustrial robots
ꢀNC tooling machines
ꢀElevator controllers
ꢀExcellent linearity of the output voltage over a wide input range
ꢀExcellent frequency response (> 50 kHz)
ꢀProcess control devices
ꢀAC and DC servo systems
ꢀLow power consumption (12 mA nominal)
ꢀMotor speed controller
ꢀ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)
ꢀ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
ꢀ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
Specifications
Parameter
TD TD TD TD TD TD
TD TD TD TD TD TD
Symbol Unit
25A 50A 75A 100A 125A 150A 175A 200A 250A 300A 350A 400A
Nominal Input Current
Linear Range
Ifn
Ifs
A DC
25 50 75 100 125 150 175 200 250 300 350 400
A DC ±75 ±150 ±225 ±300 ±375 ±450 ±525 ±525 ±550 ±550 ±550 ±±00
Nominal Output Voltage
Offset Voltage
Vhn
Vos
V
mV
ꢀ
4 V±1% at If=Ifn ( RL=10kꢀ)
Within ±35 mV ꢁ If=0, Ta=25°C
<100ꢀ(50ꢀnominal)
Output Resistance
Hysteresis Error
Supply Voltage
ROUT
Voh
VCC/VEE
ꢃ
mV
V
Within ±35 mV ꢁ If=Ifnꢂ0
±15V ±5%
Linearity
%
Within ±1% of Ifn
Consumption Current
Response Time (90%Vhn)
ICC
mA
ꢁsec
Hz
±12 mA nominal, ±15 mA max
Tr
7 ꢁsec max.
ꢁ
d If /dt = Ifn / ꢁsec
Frequency bandwidth (-3dB) fBW
DC to 50kHz
Thermal Drift of Output
-
-
%/°C
mV/°C
V
Within ±0.05 %/°C ꢁ Ifn
Within ±1.5 mV/°C ꢁ Ifn
AC2.5KV X ±0 sec
>1000 Mꢀ
Thermal Drift of
Zero Current Offset
Dielectric Strength
-
Isolation Resistance
ꢁ 1000 VDC
RIS
Ta
Ts
W
Mꢀ
°C
Operating Temperature
Storage Temperature
Mass
-15°C to 80°C
°C
-20°C to 85°C
g
28 g
- 22 -
www.topstek.com
TD V080201 7/1/2008