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CUI Inc

│ SERIES: HSE-B18X-035H │ DESCRIPTION: HEAT SINK

date 09/07/2017

│ page 3 of 7

0

10

20

30

40

50

60

70

80

90

100

01

23

45

Dissipated Power (W)

67

89

10

11

12

13

14

15

Without Airflow

200 LFM

400 LFM

Heatsink Temperature Rise Above

Ambient (ΔT = Ths - Ta) (°C)

Power

(W)

Natural

Conv.

200 LFM

400 LFM

0

0

0

0

1

8.34

3.52

2.48

2

17.28

7.15

5.14

3

24.87

10.93

7.81

4

31.91

13.98

10.40

5

37.99

17.64

12.99

6

43.96

21.23

15.68

7

49.59

24.98

18.29

8

55.07

28.39

20.98

9

60.30

32.32

23.53

10

65.45

36.09

26.23

11

70.65

39.56

28.77

12

75.05

43.04

31.44

13

79.53

46.43

34.11

14

83.55

49.75

36.86

15

88.31

53.73

39.41

Ths: “hot spot” temperature measured on the heatsink

Ta: ambient temperature

HSE-B18381-035H

PERFORMANCE CURVES (CONTINUED)

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