• All specifications are subject to change without notice.
(1/4)
002-01 / 20040528 / e615_kp_27.fm
Transformers KP Series KP-27, -35, -51, -148 Types
Pulse Transformers
Pin Terminal
KP-27 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)min.
Leakage inductance
N2 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3N4
112A∗11 : 1 1800 0.5 40 0.8 0.8 — — 9
112A2 1 : 1 400 0.3 23 0.4 0.4 — — 5
113B1 1 : 1 : 1 400 0.3 25 0.4 0.4 0.4 — 5
122A1 1 : 2 750 0.4 35 0.5 1 — — 6
122A2 1 : 2 220 0.3 20 0.3 0.6 — — 4
132A1 1 : 3 650 0.4 30 0.4 1.2 — — 5.6
132A2 1 : 3 150 0.25 20 0.3 1 — — 3
133B1 1 : 3 : 3 150 0.25 20 0.3 1 1 — 3
122C1 1 : 2CT 400 0.4 25 0.4 0.4 0.4 — 5
142C1 1 : 4CT 200 0.3 20 0.3 0.6 0.6 — 4
162C1 1 : 6CT 150 0.25 20 0.3 1 1 — 3
Weight: 0.9g typ.
Dimensions in mm
6±0.2
5±0.2
8min.7.1max. ø0.5
5
3
1
6
4
2
8.9max.
4.5
7.3max.
Par t No.
DATE CODE
TDK
56
N2
34
12
N1
A
56
N3
34
N2
12
N1
B
N2
N1
C
56
34
12
• All specifications are subject to change without notice.
(2/4)
002-01 / 20040528 / e615_kp_27.fm
Transformers KP Series KP-27, -35, -51, -148 Types
Pulse Transformers
Pin Terminal
KP-35 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:N4
Inductance
N1
(µH)min.
Leakage inductance
N3 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3N4
112F∗11 : 12600 1 50 11—— 25
114H1 1 : 1: 1 : 1 2600 1 60 1 1 1 1 25
122F1 1 : 2 1100 0.8 45 0.7 1.4 —— 15
123G1 1 : 2 : 2 1100 0.8 45 0.7 1.4 1.4 —15
132F1 1 : 3 650 0.5 40 0.5 1.5 —— 12
133G1 1 : 3 : 3 650 0.5 40 0.5 1.5 1.5 —12
134H1 1 : 1 : 3 : 3 650 0.5 40 0.5 0.5 1.5 1.5 12
Weight: 1.8g typ.
Dimensions in mm
7.5±0.2
7.5±0.2
8min.9.5max. ø0.5
7
3
5
1
8
6
4
2
10.3max.
5
10.3max.
Par t No.
DATE CODE
TDK
78
N3
56
N2
12
N1
G
78
N4
56
N3
34
N2
34
78
N2
56
12
N1
F
34
12
N1
H
• All specifications are subject to change without notice.
(3/4)
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
• All specifications are subject to change without notice.
(4/4)
002-01 / 20040528 / e615_kp_27.fm
Transformers KP Series KP-27, -35, -51, -148 Types
Pulse Transformers
Pin Terminal
KP-148 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:N4
Inductance
N1
(µH)min.
Leakage inductance
N3 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3N4
123G∗1E 1 : 2 : 2 1100 0.8 45 0.7 1.4 1.4 15
124H1E 1 : 1 : 2 : 2 1100 0.8 45 0.7 0.7 1.4 1.4 15
133G1E 1 : 3 : 3 650 0.5 40 0.5 1.5 1.5 12
134H1E 1 : 1 : 3 : 3 650 0.5 40 0.5 0.5 1.5 1.5 12
Weight: 2g
Dimensions in mm
7.5±0.25
7.5±0.25
7
5
3
8
6
4
12
10.5max.
10.5max.
TDK
Par t No.
DATE CODE
ø0.5
12max. 4±0.6
78
N3
56
N2
12
N1
G
78
N4
56
N3
34
N2
34
12
N1
H
