• All specifications are subject to change without notice.
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002-01 / 20040528 / e615_kp_27.fm
Transformers KP Series KP-27, -35, -51, -148 Types
Pulse Transformers
Pin Terminal
KP-51 TYPE
CHARACTERISTICS
SHAPES AND DIMENSIONS WINDING FORM AND PIN NUMBERINGS
ELECTRICAL CHARACTERISTICS
∗ Refer to Winding form and pin numberings.
Insulation resistance 100MΩ min.[DC.100V]
Withstand voltage Edc 100V
Maximum rated current 50mA
Temperature range Operating 0 to +70°C
Storage –40 to +100°C
Part No. Turns ratio
N1:N2:N3
Inductance
N1
(µH)±20%
Leakage inductance
N3 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3
113B∗51 : 1 : 1 10 0.2 5 0.3 0.3 0.3 0.8
123B2 1 : 1 : 2 10 0.2 5 0.3 0.3 0.35 0.8
123B3 1 : 2 : 2 10 0.2 7 0.3 0.35 0.35 0.8
133B2 1 : 1 : 3 10 0.2 6 0.3 0.3 0.4 0.8
133B3 1 : 3 : 3 10 0.2 12 0.3 0.4 0.4 0.8
113B6 1 : 1 : 1 50 0.2 8 0.35 0.35 0.35 1.6
123B4 1 : 1 : 2 50 0.2 12 0.35 0.35 0.45 1.6
123B5 1 : 2 : 2 50 0.2 15 0.35 0.45 0.45 1.6
133B4 1 : 1 : 3 50 0.25 25 0.35 0.35 0.7 1.6
133B5 1 : 3 : 3 50 0.25 25 0.35 0.7 0.7 1.6
113B7 1 : 1 : 1 100 0.25 8 0.35 0.35 0.35 2.2
123B6 1 : 1 : 2 100 0.25 8 0.35 0.35 0.5 2.2
123B7 1 : 2 : 2 100 0.25 12 0.35 0.5 0.5 2.2
133B6 1 : 1 : 3 100 0.25 8 0.35 0.35 0.7 2.2
133B7 1 : 3 : 3 100 0.25 20 0.35 0.7 0.7 2.2
113B8 1 : 1 : 1 500 0.3 14 0.5 0.5 0.5 4.5
123B8 1 : 1 : 2 500 0.3 18 0.5 0.5 1 4.5
123B9 1 : 2 : 2 500 0.3 28 0.5 1 1 4.5
Weight: 0.8g typ.
Dimensions in mm
5±0.2
5±0.2
5min.8.5max. ø0.5
5
3
1
6
4
2
7.5max.
3
7.5max.
Par t No.
DATE CODE
TDK
56
N3
34
N2
12
N1
B