Topstek Current Transducer TKDD3A .. TKDD40A

- 67 -

www.topstek.com

TKDD

V080201

7/1/2008

TKDD 3A~40A

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 (20 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

TKDD3A-B12 .. TKDD40A-B12

TKDD3A .. TKDD40A

Nominal Input Current

A DC

3 .. 40

Linear Range

A DC

Nominal Output Voltage

V

Offset Voltage

mV

Output Resistance

<100

Hysteresis Error

mV

0

Supply Voltage

V

±12V ±5%

±15V ±5%

Linearity

%

Consumption Current

mA

±20 mA nominal, ±30 mA max

Psec

5

Frequency bandwidth (-3dB)

Hz

DC to 50kHz

Thermal Drift of Output

-

%/°C

Thermal Drift of

Zero Current Offset

-

mV/°C

Within

Dielectric Strength

-

V

AC2.5KV X 60 sec

Isolation Resistance

@ 1000 VDC

M

>1000 M

Operating Temperature

°C

-15°C to 80°C

Storage Temperature

°C

-20°C to 85°C

Mass

W

g

15 g