Topstek Current Transducer TH3A .. TH50A
TH 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
Nominal Input Current
Linear Range
Nominal Output Voltage
Offset Voltage
Output Resistance
Hysteresis Error
Supply Voltage
Linearity
Consumption Current
Response Time (90%V
hn
)
Frequency bandwidth (-3dB)
Thermal Drift of Output
Thermal Drift of Zero Current Offset
Dielectric Strength
Isolation Resistance @ 1000 VDC
Operating Temperature
Storage Temperature
Mass
I
CC
T
r
f
BW
-
-
-
R
IS
T
a
T
s
W
Symbol
I
fn
I
fs
V
hn
V
os
R
OUT
V
oh
V
CC
/V
EE
mV
V
%
mA
Psec
Hz
%/°C
mV/°C
V
M
°C
°C
g
Unit
A DC
A DC
V
mV
±9 .. ±150 = 3x I
fn
TH3A .. TH50A
3 .. 50
±7.2 .. ±120 = 2.4x I
fn
TH3A-B12 .. TH50A-B12
4 V±1% at If=I
fn
( R
L
=10k )
Within ±40 mV @ I
f
=0, T
a
=25°C
<100
Within ±15 mV @ I
f
=I
fn
0
±15V ±5%
Within ±1% of I
fn
±12 mA nominal, ±16 mA max
5
Psec
max.
@
d
I
f
/dt = I
fn
/
Psec
±12V ±5%
DC to 50kHz
Within ±0.1 %/°C @ I
fn
Within
±1.5 mV/°C @ I
fn
AC2.5KV X 60 sec
>1000 M
-15°C to 80°C
-20°C to 85°C
10 g
- 38 -
www.topstek.com
TH
V080201
7/1/2008
Topstek Current Transducer TH3A .. TH50A
Appearance, dimensions and pin identification for TH3A .. TH30A models
All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted.
max
TH 3A
04252
Secondary pins 4x(0.5x0.25)
max
Primary
Pin Assignment
-15V
0V
+15V
Vout
I+
I-
Part
Number
d(mm)
e(mm)
1-3A
0.6
1.2
4-6A
0.8
1.2
6-9A
1.0
1.6
10-12.5A
1.2
1.8
13-18.5A
1.4
2.2
20-30A
1.6
2.4
Bottom View
PCB mounting hole layout
Positive current flow direction
- 39 -
www.topstek.com
TH
V080201
7/1/2008
Topstek Current Transducer TH3A .. TH50A
Appearance, dimensions and pin identification for TH37.5A .. TH50A models
All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted.
max
TH50A
04252
Primary
Secondary pins 4x(0.5x0.25)
max
Bottom View
Pin Assignment
-15V
0V
+15V
Vout
I+
I-
- 40 -
www.topstek.com
TH
V080201
7/1/2008
Part
Number
d(mm)
e(mm)
TH37.5A
TH50A
PCB mounting hole layout
Positive current flow direction
1.3x5
2.0x6
1.3x5
2.0x6
stm32/stm8
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