Rev. E

JRW Series

Single & Dual Outputs

4:1 Input Voltage Ranges

10 Watt DC/DC Power Converters

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

04/25/2012

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 4 of 5

CHARACTERISTICS

-40

-20

0

20

40

60

80

100

120

77.2

120

100

80

60

40

20

0

Derating Curve

-40

-20

0

20

40

60

80

100

120

81

120

100

80

60

40

20

0

Derating Curve with Heatsink

36

40

44

48

52

56

60

64

68

72

75

90

85

80

75

70

65

60

Efficiency vs Input Voltage

10

20

30

40

50

60

70

80

90

100

90

85

80

75

70

65

60

Efficiency vs Output Load

EMI FILTER

Recommended Filter for EN55022 Class B Compliance

Recommended EN55022 Class B Filter Circuit Layout

+INPUT

-INPUT

C1

C2

L1

C3

C4

LOAD

+Vin

+Vout

-Vin

-Vout

DC/DC

CONVERTER

The components used in the figure above are as follows:

Model

C1

C2

C3

C4

L1

24VDC

nominal input

2.2µF/50V

1812 MLCC

N/A

1000P/2KV

MLCC

1000P/2KV

MLCC

325µH

Common Choke

PMT-050

48VDC

nominal input

2.2µF/100V

1812 MLCC

2.2µF/100V

1812 MLCC

1000P/2KV

MLCC

1000P/2KV

MLCC

325µH

Common Choke

PMT-050