1. See performance curves for full thermal resistance details.
2. Custom cut to length options available. Thermal data not available on custom lengths.
PERFORMANCE CURVES
HSE-B20254-035H-01
100
Without Airflow
200 LFM
400 LFM
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
200 LFM
0
4.42
9.28
14.08
18.94
23.94
28.75
33.59
38.56
43.41
48.60
400 LFM
0
3.40
6.91
10.17
13.61
17.23
20.85
24.38
27.85
31.51
34.77
Mounting Surface Temperature
Rise Above Ambient (°C)
90
80
70
60
50
40
30
20
10
0
0
Power
(W)
0
1
2
3
4
5
6
7
8
9
10
Natural
Conv.
0
14.36
29.79
44.19
59.02
72.18
84.41
96.74
107.41
118.81
128.70
1
2
3
Dissipated Power (W)
4
5
6
7
8
9
10
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
HSE-BX-035H-01
│
DESCRIPTION:
HEAT SINK
date
05/02/2017│
page
2 of 4
PERFORMANCE CURVES (CONTINUED)
HSE-B20381-035H-01
100
90
Without Airflow
200 LFM
400 LFM
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
Power
(W)
0
1
2
3
4
5
6
7
8
9
10
Natural
Conv.
0
10.51
21.88
34.26
45.39
55.46
66.53
75.57
83.77
90.80
97.95
200 LFM
0
2.67
6.30
9.73
13.18
16.67
20.13
23.53
27.06
30.38
33.80
400 LFM
0
2.43
4.81
7.11
9.69
12.13
14.51
17.05
19.52
22.06
24.44
Mounting Surface Temperature
Rise Above Ambient (°C)
80
70
60
50
40
30
20
10
0
0
1
2
3
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
Dissipated Power (W)
4
5
6
7
8
9
10
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
HSE-BX-035H-01
│
DESCRIPTION:
HEAT SINK
date
05/02/2017│
page
3 of 4
MECHANICAL DRAWING
units: mm
tolerance: ±0.5 mm
MATERIAL
FINISH
PIN MATERIAL
PIN PLATING
AL 6063-T5
black anodized
steel
tin
MODEL NO.
HSE-B20254-035H-01
HSE-B20381-035H-01
LENGTH, L
(mm)
25.4
38.1
WEIGHT
(g)
11.33
16.67
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
HSE-BX-035H-01
│
DESCRIPTION:
HEAT SINK
date
05/02/2017│
page
4 of 4
REVISION HISTORY
rev.
1.0
description
initial release
The revision history provided is for informational purposes only and is believed to be accurate.
date
05/02/2017
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website.
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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