• All specifications are subject to change without notice.
(1/4)
001-01 / 20020729 / e6141_kp.fm
Transformers KP Series KP-43, -57 Types
Pulse Transformers
DIP
KP-43 TYPE
CHARACTERISTICS
SHAPES AND DIMENSIONS WINDING FORM AND PIN NUMBERINGS
PR
TYPICAL CIRCUITS
For common-mode choke
For pulse transformer
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
22.86max.
7.8max.
17.78
(8)
2.54
5.083min.
Part No.
DATE CODE
16
1
9
8
0.5
0.5±0.1
0.25±0.05
Weight: 2.2g
Dimensions in mm
Tolerance: ±0.25
N1N2N1N2
14 13
34
16 15
12
N1N2N1N2
12 11
56
10 9
78
16 15
12
N1
N2
14 13
34
N1
N2
12 11
56
N1
N2
10 9
78
N1
N2
50Ω
100Ω
50Ω
211T1110R11
+5V
Part No. Turns ratio
N1:N2
Inductance
N1
(µH)±20%
Leakage inductance
N2 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance
(Ω)max.
ET constant
(V-µs)
min.
Resonant
frequency
(MHz)typ.
110R∗8 1:1 5 0.2 9 0.2 0.8 20
110R9 1:1 10 0.25 10 0.28 1 15
110R10 1:1 33 0.25 10 0.28 1.2 10
110R11 1:1 68 0.25 10 0.28 1.8 15
110R12 1:1 100 0.28 12 0.35 2 15
110P11 1:1 45±25% 0.25 15 0.3 2.5 15
110P22 1:1 2.5 0.2 6 0.2 0.6 20
• All specifications are subject to change without notice.
(2/4)
001-01 / 20020729 / e6141_kp.fm
Transformers KP Series KP-43, -57 Types
Pulse Transformers
DIP
KP-57 TYPE
CHARACTERISTICS
SHAPES AND DIMENSIONS WINDING FORM AND PIN NUMBERINGS
PR
ST
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
22max.
17.78±0.2
9.5max.
5.5max.
5min.7.6±0.2
Part No.
DATE CODE
16
1
9
8
2.54±0.2
Weight: 2.2g
Dimensions in mm
R0.5
ø0.5
16 15
12
N1
N2
14 13
34
N1
N2
12 11
56
N1
N2
10 9
78
N1
N2N1N2N1N2
14 13
34
16 15
12
N1N2N1N2
12 11
56
10 9
78
16 15
12
N1
N3
14 13
34
N2
12 11
56
N1
10 9
78
N2
N3
14 13
34
16 15
12
12 11
56
10 9
78
N3N2
N1N3N2
N1
Part No. Turns ratio
N1:N2:N3
Inductance
N1
(µH)±20%
Leakage inductance
N2 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3
110R∗1 1:1 330 0.33 15 0.4 0.4 4.5
110R2 1:1 680 0.4 20 0.45 0.45 5.6
110R3 1:1 1000 0.5 25 0.48 0.48 8
110R4 1:1 2200 0.75 33 0.64 0.64 10
110R5 1:1 4700 0.85 55 1 1 16
210R1 2:1 330 0.7 9 0.4 0.2 4.5
210R2 2:1 680 1 11 0.45 0.25 5.6
210R3 2:1 1000 1.2 14 0.48 0.3 8
210R4 2:1 2200 1.5 18 0.64 0.36 10
210R5 2:1 4700 2.4 26 1 0.6 16
310R1 3:1 330 1.4 6 0.4 0.16 4.5
310R2 3:1 680 1.8 9 0.45 0.2 5.6
310R3 3:1 1000 2 11 0.48 0.23 8
310R4 3:1 2200 2.65 15 0.64 0.25 10
310R5 3:1 4700 3.54 21 1 0.35 16
110P16 1:1 330 0.33 15 0.4 0.4 4.5
110P12 1:1 680 0.4 20 0.45 0.45 5.6
110P13 1:1 1000 0.5 25 0.48 0.48 8
110P14 1:1 2200 0.75 33 0.64 0.64 10
110P15 1:1 4700 0.85 55 1 1 16
• All specifications are subject to change without notice.
(3/4)
001-01 / 20020729 / e6141_kp.fm
Transformers KP Series KP-43, -57 Types
Pulse Transformers
DIP
KP-57 TYPE
ELECTRICAL CHARACTERISTICS
∗ Refer to Winding form and pin numberings.
Part No. Turns ratio
N1:N2:N3
Inductance
N1
(µH)±20%
Leakage inductance
N2 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3
210P∗11 2:1 330 0.7 9 0.4 0.2 4.5
210P12 2:1 680 1 11 0.45 0.25 5.6
210P13 2:1 1000 1.2 14 0.48 0.3 8
210P14 2:1 2200 1.5 18 0.64 0.36 10
210P15 2:1 4700 2.4 26 1 0.6 16
310P11 3:1 330 1.4 6 0.4 0.16 4.5
310P12 3:1 680 1.8 9 0.45 0.2 5.6
310P13 3:1 1000 2 11 0.48 0.23 8
310P14 3:1 2200 2.65 15 0.64 0.25 10
310P15 3:1 4700 3.54 21 1 0.35 16
111T1 1:1:1 330 0.33 15 0.4 0.4 0.4 4.5
111T2 1:1:1 680 0.4 20 0.45 0.45 0.45 5.6
111T3 1:1:1 1000 0.5 25 0.48 0.48 0.48 8
111T4 1:1:1 2200 0.75 33 0.64 0.64 0.64 10
111T5 1:1:1 4700 0.85 55 1.4 1.4 1.4 16
211T1 2:1:1 330 0.7 9 0.4 0.2 0.2 4.5
211T2 2:1:1 680 1 11 0.45 0.25 0.25 5.6
211T3 2:1:1 1000 1.2 14 0.48 0.3 0.3 8
211T4 2:1:1 2200 1.5 18 0.64 0.36 0.36 10
211T5 2:1:1 4700 2.4 26 1 0.6 0.6 16
221T1 2:2:1 330 0.7 15 0.4 0.4 0.2 4.5
221T2 2:2:1 680 1 20 0.45 0.45 0.25 5.6
221T3 2:2:1 1000 1.2 25 0.48 0.48 0.3 8
221T4 2:2:1 2200 1.5 33 0.64 0.64 0.36 10
221T5 2:2:1 4700 2.4 55 1.4 1.4 0.7 16
311T1 3:1:1 330 1.4 6 0.4 0.16 0.16 4.5
311T2 3:1:1 680 1.8 9 0.45 0.2 0.2 5.6
311T3 3:1:1 1000 2 11 0.48 0.23 0.23 8
311T4 3:1:1 2200 2.65 15 0.64 0.25 0.25 10
311T5 3:1:1 4700 3.54 21 1 0.35 0.35 16
331T1 3:3:1 330 1.4 15 0.4 0.4 0.16 4.5
331T2 3:3:1 680 1.8 20 0.45 0.45 0.2 5.6
331T3 3:3:1 1000 2 25 0.48 0.48 0.23 8
331T4 3:3:1 2200 2.65 33 0.64 0.64 0.25 10
331T5 3:3:1 4700 3.54 55 1.4 1.4 0.55 16
421T1 4:2:1 330 1.5 9 0.4 0.2 0.13 4.5
421T2 4:2:1 680 2.5 11 0.48 0.25 0.16 5.6
421T3 4:2:1 1000 3 14 0.5 0.3 0.24 8
421T4 4:2:1 2200 3.5 18 0.9 0.52 0.31 10
421T5 4:2:1 4700 3.9 30 1.3 0.8 0.48 16
111S1 1:1:1 330 0.33 15 0.4 0.4 0.4 4.5
111S2 1:1:1 680 0.4 20 0.45 0.45 0.45 5.6
111S3 1:1:1 1000 0.5 25 0.48 0.48 0.48 8
111S4 1:1:1 2200 0.75 33 0.64 0.64 0.64 10
111S5 1:1:1 4700 0.85 55 1.4 1.4 1.4 16
• All specifications are subject to change without notice.
(4/4)
001-01 / 20020729 / e6141_kp.fm
Transformers KP Series KP-43, -57 Types
Pulse Transformers
DIP
KP-57 TYPE
ELECTRICAL CHARACTERISTICS
∗ Refer to Winding form and pin numberings.
Part No. Turns ratio
N1:N2:N3
Inductance
N1
(µH)±20%
Leakage inductance
N2 shorted
(µH)max.
Inter-winding
capacitance
N1 to N2
(pF)max.
DC resistance(Ω)max. ET constant
(V-µs)
min.
N1N2N3
211S∗1 2:1:1 330 0.7 9 0.4 0.2 0.2 4.5
211S2 2:1:1 680 1 11 0.45 0.25 0.25 5.6
211S3 2:1:1 1000 1.2 14 0.48 0.3 0.3 8
211S4 2:1:1 2200 1.5 18 0.64 0.36 0.36 10
211S5 2:1:1 4700 2.4 26 1 0.6 0.6 16
221S1 2:2:1 330 0.7 15 0.4 0.4 0.2 4.5
221S2 2:2:1 680 1 20 0.45 0.45 0.25 5.6
221S3 2:2:1 1000 1.2 25 0.48 0.48 0.3 8
221S4 2:2:1 2200 1.5 33 0.64 0.64 0.36 10
221S5 2:2:1 4700 2.4 55 1.4 1.4 0.7 16
311S1 3:1:1 330 1.4 6 0.4 0.16 0.16 4.5
311S2 3:1:1 680 1.8 9 0.45 0.2 0.2 5.6
311S3 3:1:1 1000 2 11 0.48 0.23 0.23 8
311S4 3:1:1 2200 2.65 15 0.64 0.25 0.25 10
311S5 3:1:1 4700 3.54 21 1 0.35 0.35 16
331S1 3:3:1 330 1.4 15 0.4 0.4 0.16 4.5
331S2 3:3:1 680 1.8 20 0.45 0.45 0.2 5.6
331S3 3:3:1 1000 2 25 0.48 0.48 0.23 8
331S4 3:3:1 2200 2.65 33 0.64 0.64 0.25 10
331S5 3:3:1 4700 3.54 55 1.4 1.4 0.55 16
421S1 4:2:1 330 1.5 9 0.4 0.2 0.13 4.5
421S2 4:2:1 680 2.5 11 0.48 0.25 0.16 5.6
421S3 4:2:1 1000 3 14 0.5 0.3 0.24 8
421S4 4:2:1 2200 3.5 18 0.9 0.52 0.31 10
421S5 4:2:1 4700 3.9 30 1.3 0.8 0.48 16
