PYD20 Manual
DC-DC Converter Isolated, 20W, 2x1”, PCB Mount
EMC Emission
Recommended external EMI filter for EN 55011, EN 55032 Class A and EN 50121-3-2
The placement of components and the routing of traces on the pc-board must be carried out according to
EMC aspects. If help is needed, please contact our technical support team.
BOM
C1, C2, C3
C4
CY1
CY2, CY3
CY4, CY5
L1
L2
Models with
single
output
680pF, 400Vac
Y1 capacitor
TDK CD series
Models with
dual output
10F/250V
1812
X7R Ceramic
capacitor
120
μ
F/220V
NCC KXJ
Aluminum
capacitor
470pF, 400Vac
Y1 capacitor
TDK CD series
1.5nF, 400Vac
Y1 capacitor
TDK CD series
2.2nF, 400Vac
Y1 capacitor
TDK CD series
1.4mH
Ø0.4mmx1/13T
ACME A151
T10x5x5C
10uH/7A
2525CZ Vishay
Switching Frequency
Main converter
Min.
Typ.
Max.
180kHz
200kHz
220kHz
Fixed frequency
All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless
otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.
For additional information, please visit
https://product.tdk.com/en/power/py
.
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DOC-ID: 260921 – Issue 1
