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CUI Inc

│ SERIES: VFK400W-DIN │ DESCRIPTION: DC-DC CONVERTER

date 06/16/2014

│ page 4 of 6

DERATING CURVES

80%

100%

120%

Natural

Convection

0.5 m/S

(100LFM)

1.0 m/S

(200LFM)

1.5 m/S

(300LFM)

0%

20%

40%

60%

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

(300LFM)

2.0 m/S

(400LFM)

2.5 m/S

(500LFM)

3.0 m/S

(600LFM)

3.5 m/S

(700LFM)

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

Ambient Temperature -degrees C

80%

100%

120%

Natural

Convection

0.5 m/S

(100LFM)

1.0 m/S

(200LFM)

1.5 m/S

(300LFM)

0%

20%

40%

60%

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

(300LFM)

2.0 m/S

(400LFM)

2.5 m/S

(500LFM)

3.0 m/S

(600LFM)

3.5 m/S

(700LFM)

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

Ambient Temperature -degrees C

VFK400W-DIN Power Derating Curves At Nominal Input

(Includes VFK400W-Q24-S12-DIN and all 48 Vdc input models)

VFK400W-DIN Power Derating Curves At Nominal Input

(Includes VFK400W-Q24-S24-DIN and VFK400W-Q24-S48-DIN)

For more information, please visit the product page.