Topstek Current Transducer TB5A .. TB37.5A
TB 5A~37.5A
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 Unit
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
A DC
A DC
mm
T
AT
V
mV
TB
5A
4V
5
±15
0.7
6
30
TB
7.5A
4V
7.5
±23
1
4
30
TB
10A
4V
10
±30
1.2
3
30
TB
12.5A
4V
12.5
±38
1.2
3
37.5
TB
15A
4V
15
±45
1.4
2
30
TB
17.5A
4V
17.5
±53
1.4
2
35
TB
18.5A
4V
18.5
±56
1.4
2
37
TB
20A
4V
20
±60
1.4
2
40
TB
37.5A
4V
37.5
±113
1.6 x2.5
1
37.5
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
3Psec max.
@
d
I
f
/dt = I
fn
/Psec
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
14 g
- 12 -
www.topstek.com
TB
V080201
7/1/2008
Topstek Current Transducer TB5A .. TB37.5A
Appearance, dimensions and pin identification for 5A to 30A models
All dimensions in mm ±0.3, holes –0, +0.2 except otherwise noted
TB5A4V
03262
Model number and date code marking
Pin Assignment
max
Part
Number
TB5A4V
TB7.5A4V
TB10A4V
TB12.5A4V
TB15A4V
TB17.5A4V
TB18.5A4V
+15V
-15V
V
OUT
0V
I+
I-
a*
(mm)
1.2
1.3
1.4
1.4
1.5
1.5
1.5
1.5
d*
(mm)
0.7
1.0
1.2
1.2
1.4
1.4
1.4
1.4
e*
(mm)
1.2
1.6
1.8
1.8
2.0
2.0
2.0
2.0
5A to 30A PCB mounting hole layout
TB20A4V
- 13 -
www.topstek.com
TB
V080201
7/1/2008
Topstek Current Transducer TB5A .. TB37.5A
Appearance, dimensions and pin identification for TB37.5A model
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted
TB37.5A
06322
Model number and date code marking
Pin Assignment
max
+15V
-15V
V
OUT
0V
I+
I-
Part
Number
x
TB37.5A
a*
(mm)
1.7
d1xd2
(mm)
1.6x2.5
hole
(mm)
2.2x4.9
TB37.5A PCB mounting hole layout
- 14 -
www.topstek.com
TB
V080201
7/1/2008
Topstek Current Transducer TB5A .. TB37.5A
Appearance, dimensions and pin identification for TB37.5A-P model
All dimensions in mm ±0.1, holes –0, +0.2 except otherwise noted
TB37.5A-P
06322
Model number and date code marking
Pin Assignment
+15V
max
-15V
V
OUT
0V
I+
I-
x
Part
Number
TB37.5A-P
a*
(mm)
1.7
d1xd2
(mm)
1.6x2.5
hole
(mm)
2.2x4.9
x
TB37.5A-P PCB mounting hole layout
- 15 -
www.topstek.com
TB
V080201
7/1/2008
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