Datasheet

Application Note
Created by Traco Electronic AG Arp.
www.tracopower.com
Date: May 22, 2018 / Rev.: 1.0 /
Page 56 / 63
12W, Single and Dual Output
EMC considerations (Continued)
Suggested Schematic to comply with EN55022 Conducted Emission Class B
recommended track layout with input filter for Single Output
recommended track layout with input filter for Dual Output
To comply with conducted emissions according to EN55022 CLASS A following components are recommended:
THD 12-12xx
Component
Value
Voltage
Reference
C1
3.3µF
50V
1812 MLCC
C3, C4
1000pF
2KV
1206 MLCC
L1
325µH
----
Common Choke, P/N: TCK-050
THD 12-24xx
Component
Value
Voltage
Reference
C1
4.7µF
50V
1812 MLCC
C3, C4
1000pF
2KV
1206 MLCC
L1
325µH
----
Common Choke, P/N: TCK-050
THD 12-48xx
Component
Value
Voltage
Reference
C1, C2
2.2µF
100V
1812 MLCC
C3, C4
1000pF
2KV
1206 MLCC
L1
325µH
----
Common Choke, P/N: TCK-050