Topstek Current Transducer TA5A4V .. TA50A4V
Open Loop Current Transducers
TA 5A~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 (9 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
Diameter of Primary Coil
Turns of Primary Coil
Ampere-Turn of Primary Coil
Nominal Output Voltage
Offset Voltage
Output Resistance
Hysteresis Error
Supply Voltage
Linearity ( Within ±I
fn
)
Consumption Current
Response Time (90%V
hn
)
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
-
-
-
R
IS
T
a
T
s
W
Symbol
I
fn
I
fs
d
T
AT
V
hn
V
os
R
OUT
V
oh
V
CC
/V
EE
mV
V
%
mA
Psec
%/°C
mV/°C
V
M
°C
°C
g
Unit
A DC
A DC
mm
T
AT
V
mV
TA
5A
4V
5
±15
1
5
25
TA
7.5A
4V
7.5
±23
1
3
22.5
TA
10A
4V
10
±30
1.2
2
20
TA
12.5A
4V
12.5
±38
1.4
2
25
TA
15A
4V
15
±45
1.4
1
15
TA
18.5A
4V
18.5
±56
1.4
1
18.5
TA
20A
4V
20
±60
1.4
1
20
TA
25A
4V
25
±75
1.6
1
25
TA
37.5A
4V
37.5
±112
TA
50A
4V
50
±150
1.6x2.5 1.6x2.5
1
37.5
1
50
4 V±1% at If=I
fn
( R
L
=10k )
Within ±40 mV @ I
f
=0, T
a
=25°C
< 100 (50 nominal)
Within ±15 mV @ I
f
=I
fn
0
±15V ±5%
Within ±1% of I
fn
±9 mA nominal
13
Psec
max. @
d
I
f
/dt = I
fn
/
Psec
Within ±0.1 %/°C @ I
fn
Within ±3 mV/°C @ I
fn
AC2.5KV X 60 sec
>1000 M
-15°C to 80°C
-20°C to 85°C
14 g
-8-
www.topstek.com
TA
V080201
7/1/2008
Topstek Current Transducer TA5A4V .. TA50A4V
Appearance, dimensions and pin identification for 5A to 25A models
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted
Model number and date code marking
Pin Assignment
+15V
-15V
V
OUT
0V
I+
I-
Part
Number
TA5A4V
TA7.5A4V
TA10A4V
TA12.5A4V
TA15A4V
TA18.5A4V
TA20A4V
TA25A4V
a*
(mm)
1.3
1.3
1.4
1.5
1.5
1.5
1.5
1.6
d*
(mm)
1.0
1.0
1.2
1.4
1.4
1.4
1.4
1.6
e*
(mm)
1.6
1.6
1.8
2.0
2.0
2.0
2.0
2.2
5A to 25A PCB mounting hole layout
-9-
www.topstek.com
TA
V080201
7/1/2008
Topstek Current Transducer TA5A4V .. TA50A4V
Appearance, dimensions and pin identification for 37.5A to 50A models
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted
Model number and date code marking
Pin Assignment
+15V
-15V
max
V
OUT
0V
I+
I-
Part
Number
x
TA37.5A
TA50A
a*
(mm)
1.7
1.7
d1xd2
(mm)
1.6x2.5
1.6x2.5
hole
(mm)
2.2x4.9
2.2x4.9
TA37.5A..TA50A PCB mounting hole layout
- 10 -
www.topstek.com
TA
V080201
7/1/2008
Topstek Current Transducer TA5A4V .. TA50A4V
Appearance, dimensions and pin identification for TA37.5A-P .. TA50A-P models
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted
TA50A-P
06322
Model number and date code marking
Pin Assignment
+15V
max
-15V
V
OUT
0V
I+
I-
x
Part
Number
TA37.5A-P
TA50A-P
a*
(mm)
1.7
1.7
d1xd2
(mm)
1.6x2.5
1.6x2.5
hole
(mm)
2.2x4.9
2.2x4.9
x
TA37.5A-P..TA50A-P PCB mounting hole layout
- 11 -
www.topstek.com
TA
V080201
7/1/2008
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