(1/2)
001-01 / 20070212 / eb3112_ct.fm
• All specifications are subject to change without notice.
Compact Current Transformers
CT Series
FEATURES
These compact, thin sensors are used to detect current in protec-
tive and control circuits in various devices, including switching
power supplies.
TEMPETATURE RANGES
SHAPES AND DIMENSIONS/TERMINAL POSITIONS
ELECTRICAL CHARACTERISTICS TERMINAL CONNECTIONS
TYPICAL ELECTRICAL CHARACTERISTICS
OUTPUT CHARACTERISTICS
Operating temperature range –20 to +70°C
Temperature rise 40°C max.
Part No. Turn ratio
N1:N2
Inductance
(mH)min.
N2
DC resistance(Ω)max. Withstand
voltage
Eac(kV)
Fig.
N1N2
CT032 2:200 12 0.005 8 3.75 1
CT034 1:200 12 0.004 8
CT101 1:100 6 0.005 5 22
CT201 1:200 24 0.005 15
20max.26.5max.
20.5max.
3
4
1
2
2-ø0.8 2-ø1
Fig.1
10±0.5
12.5±0.5
20max.
15±1
20.5max.
6.38.7
2
3
41
Details of A
A
TDK Lot.
CT032
Fig.2
12
16max.
1.7±0.5
43
12max.
12.5max.
3.6±0.5
2-ø0.6
2-ø0.7
34
21
5.15
7.2
2.554.45
A
Details of A
TDK BE10H
Dimensions in mm
Tolerance: ±0.5
TDK Lot.
CT101
N2
N1
1
2
4
3
50
010 15
10
20
30
Iin(A)
Vout(V)
CT032
CT034
RL=300W
f=100kHz
D=50%
50
010 15
10
20
30
Iin(A)
Vout(V)
CT101
CT201
RL=300Ω
f=100kHz
D=50%
(2/2)
001-01 / 20070212 / eb3112_ct.fm
• All specifications are subject to change without notice.
TYPICAL ELECTRICAL CHARACTERISTICS
OUTPUT CHARACTERISTICS FOR TERMINATING RESISTANCE (RL) CHANGE
CT032 CT101
CT034 CT201
MEASURING CIRCUIT
50
010 15 20
10
30
50
70
Iin(A)
Vout(V)
RL=470Ω
RL=300Ω
RL=100Ω
f=150kHz
D=30%
50
010 15 20
10
30
50
70
Iin(A)
Vout(V)
RL=470Ω
RL=300Ω
RL=100Ω
f=150kHz
D=30%
50
010 15 20
10
30
50
70
Iin(A)
Vout(V)
RL=470Ω
RL=300Ω
RL=100Ω
f=150kHz
D=30%
50
010 15 20
10
30
50
70
Iin(A)
Vout(V)
RL=470Ω
RL=300Ω
RL=100Ω
f=150kHz
D=30%
32
41
RL Vout(V)
lin(A)
