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331S2

Description
Pulse Transformer, GENERAL PURPOSE Application(s), 3:3:1
CategoryPower management    transformer   
File Size70KB,4 Pages
ManufacturerTDK Corporation
Websitehttp://www.tdk.com
Download Datasheet Parametric View All

331S2 Overview

Pulse Transformer, GENERAL PURPOSE Application(s), 3:3:1

331S2 Parametric

Parameter NameAttribute value
Reach Compliance Codeunknown
ECCN codeEAR99
applicationGENERAL PURPOSE
ET product minimum value5.6 V-us
high5.5 mm
Insulation voltage100 V
length22 mm
Manufacturer's serial numberKP-57
Installation featuresTHROUGH HOLE MOUNTED
Number of functions2
Maximum operating temperature70 °C
Minimum operating temperature
physical size22mm X 9.5mm X 5.5mm
Primary inductance680 µH
surface mountNO
Transformer typePULSE TRANSFORMER
Turns ratio (Np:Ns)3:3:1
width9.5 mm
Base Number Matches1
(1/4)
001-01 / 20020729 / e6141_kp.fm
Transformers
Pulse Transformers
DIP
KP-43 TYPE
CHARACTERISTICS
Insulation resistance
Withstand voltage Edc
Maximum rated current
Temperature range
Operating
Storage
100M
min.[DC.100V]
100V
50mA
0 to +70°C
–40 to +100°C
KP Series KP-43, -57 Types
SHAPES AND DIMENSIONS
22.86max.
16
9
7.8max.
WINDING FORM AND PIN NUMBERINGS
P
R
16
15
14
13
12
11
10
N
2
N
1
6
7
8
N
1
1
9
16
15
N
2
N
1
1
5.08
2
3
N
2
N
1
4
5
N
2
N
1
14
N
1
13 12
N
2
N
1
3
4
5
11
10
N
1
9
N
2
Part No.
DATE CODE
1
0.5
8
N
2
2
N
2
6
7
8
0.25±0.05
2.54
0.5±0.1
3min.
(8)
Weight: 2.2g
Dimensions in mm
Tolerance:
±0.25
TYPICAL CIRCUITS
For common-mode choke
50Ω
50Ω
110R11
211T1
100Ω
17.78
For pulse transformer
+5V
ELECTRICAL CHARACTERISTICS
Part No.
Turns ratio
N
1
:N
2
Inductance
N
1
(
µ
H)±20%
Leakage inductance
N
2
shorted
(
µ
H)max.
0.2
0.25
0.25
0.25
0.28
0.25
0.2
Inter-winding
capacitance
N
1
to N
2
(pF)max.
9
10
10
10
12
15
6
DC resistance
(
)max.
0.2
0.28
0.28
0.28
0.35
0.3
0.2
ET constant
(V-
µ
s)
min.
0.8
1
1.2
1.8
2
2.5
0.6
Resonant
frequency
(MHz)typ.
20
15
10
15
15
15
20
110R
8
1:1
5
110R9
1:1
10
110R10
1:1
33
110R11
1:1
68
110R12
1:1
100
110P11
1:1
45±25%
110P22
1:1
2.5
Refer to Winding form and pin numberings.
• All specifications are subject to change without notice.
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