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LANC125.1W12

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Page 10 of 14

EMC Considerations (Continued)

Suggested Schematic for EN55022 Conducted Emission Class B limits

Recommended Layout with Input Filter

To meet Conducted Emissions EN55022 CLASS B needed the following components:

LANC12xxW12

Component

Value

Voltage

Reference

C1

3.3µF

50V

1812 MLCC

C3, C4

1000pF

2KV

1206 MLCC

L1

325µH

----

Common Choke, P/N: PMT-050

LANC24xxW12

Component

Value

Voltage

Reference

C1

4.7µF

50V

1812 MLCC

C3, C4

1000pF

2KV

1206 MLCC

L1

325µH

----

Common Choke, P/N: PMT-050

LANC48xxW12

Component

Value

Voltage

Reference

C1

2.2µF

100V

1812 MLCC

C3, C4

1000pF

2KV

1206 MLCC

L1

325µH

----

Common Choke, P/N: PMT-050

Figure 13

Figure 14