Wall Industries, Inc.

Rev B

DCHBW100 SERIES

82.5~100.8 Watts, Half-Brick DC/DC Power Converters

04/30/2014

Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

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DERATING CURVES

DCHBW100-48S05 Derating Curve (Note 3)

0

20

40

60

80

100

120

-40

-20

0

20

40

60

80

100

120

Ambient Temperature (°C)

Natural Convection (20LFM)

Terminal Block

Natural Convection (20LFM)

DC/DC module only

100LFM

200LFM

300LFM

400LFM

500LFM

Mount on 2U iron base-plate

(dimensions: 19” x 3.5” x 0.063”)

Natural Convection (20LFM)

DCHBW100-48S05 Derating Curve with 0.24” Height Heatsink (Note 3)

DCHBW100-48S05 Derating Curve with 0.45” Height Heatsink (Note 3)

0

20

40

60

80

100

120

-40

-20

0

20

40

60

80

100

120

Natural Convection (20LFM)

100LFM

200LFM

300LFM

400LFM

500LFM

Ambient Temperature (°C)

0

20

40

60

80

100

120

-40

-20

0

20

40

60

80

100

120

Natural Convection (20LFM)

100LFM

200LFM

300LFM

400LFM

500LFM

Ambient Temperature (°C)

EFFICIENCY GRAPHS

DCHBW100-48S05 Efficiency vs Input Voltage

DCHBW100-48S05 Efficiency vs Output Load

16.5

24

30

36

42

48

54

60

66

72

75

Input Voltage (VDC)

Iout=100% F.L.

Iout=50% F.L.

Iout=25% F.L.

60

66

72

78

84

90

96

10

20

30

40

50

60

70

80

90

100

% of Full Load

Vin=24V

Vin=48V

Vin=75V

Vin=16.5V

60

66

72

78

84

90

96