For more information, please visit the
product page.
date
page
03/30/2017
1 of 3
SERIES:
HSS-B20-NPX-01
│
DESCRIPTION:
HEAT SINK
FEATURES
• TO-220 package
• round or slot hole attachment options
• black andoized finish
• aluminum
MODEL
HSS-B20-NPR-01
HSS-B20-NPS-01
Note:
mounting hole
type
size
(mm)
@ 75°C
ΔT,
nat conv
(°C/W)
thermal resistance
1
@ 1 W,
nat conv
(°C/W)
@ 1 W,
200 LFM
(°C/W)
@ 1 W,
400 LFM
(°C/W)
power
dissipation
1
@ 75°C
ΔT,
nat conv
(W)
round
slot
Ø3.81
3.9 x 9.52
17.74
17.74
22.47
22.47
5.88
5.88
4.17
4.17
4.23
4.23
1. See performance curves for full thermal resistance details.
PERFORMANCE CURVES
Power
(W)
0
1
2
3
4
5
Natural
Conv.
0
22.47
39.28
56.71
70.54
85.88
Mounting Surface Temperature
Rise Above Ambient (°C)
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
200 LFM
0
5.88
11.26
16.66
21.77
27.51
400 LFM
0
4.17
7.41
11.08
14.72
18.27
100
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
Without Airflow
200 LFM
400 LFM
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
Heat Dissipated (W)
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
HSS-B20-NPX-01
│
DESCRIPTION:
HEAT SINK
date
03/30/2017│
page
3 of 3
REVISION HISTORY
rev.
1.0
description
initial release
The revision history provided is for informational purposes only and is believed to be accurate.
date
03/30/2017
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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