Topstek Current Transducer TKD3A .. TKD20A
TKD 3A~20A
Applications
Features
ꢀUPS systems
ꢀHighly reliable Hall Effect device
ꢀIndustrial robots
ꢀNC tooling machines
ꢀCompact and light weight
ꢀFast response time
ꢀElevator controllers
ꢀExcellent linearity of the output voltage over a wide input range
ꢀExcellent frequency response (> 50 kHz)
ꢀLow power consumption (20 mA nominal)
ꢀ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)
ꢀProcess control devices
ꢀAC and DC servo systems
ꢀMotor speed controller
ꢀ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
Symbol Unit
TKD3A .. TKD20A
3 .. 20
Nominal Input Current
Linear Range
Ifn
Ifs
A DC
A DC
V
±± .. ±ꢀ0 ꢁ 3x Ifn
Nominal Output Voltage
Offset Voltage
Vhn
Vos
4 V±ꢂ% at IfꢁIfn ( RLꢁꢂ0kꢃ)
Within ±40 mV ꢄ Ifꢁ0, Taꢁ25°C
<ꢂ00ꢃ
mV
ꢃ
Output Resistance
Hysteresis Error
Supply Voltage
ROUT
Voh
VCC/VEE
ꢆ
mV
V
Within ±ꢂ5 mV ꢄ IfꢁIfnꢅ0
±ꢂ5V ±5%
Linearity
%
Within ±ꢂ% of Ifn
Consumption Current
Response Time (±0%Vhn)
ICC
mA
ꢁsec
Hz
±20 mA nominal, ±30 mA max
Tr
5 ꢁsec max.
ꢄ
d If /dt ꢁ Ifn / ꢁsec
Frequency bandwidth (-3dB) fBW
DC to 50kHz
Thermal Drift of Output
Thermal Drift of
Zero Current Offset
Dielectric Strength
Isolation Resistance
ꢄ ꢂ000 VDC
Operating Temperature
Storage Temperature
Mass
-
-
%/°C
Within ±0.ꢂ %/°C ꢄ Ifn
Within ±ꢂ.5 mV/°C ꢄ Ifn
AC2.5KV X ꢀ0 sec
>ꢂ000 Mꢃ
mV/°C
V
-
RIS
Ta
Ts
W
Mꢃ
°C
-ꢂ5°C to 80°C
°C
-20°C to 85°C
g
ꢂ5 g
- 65 -
www.topstek.com
TKD V080201
7/1/2008