CUI HSS-B20-074H Heat sink Datasheet

For more information, please visit the product page.
date
03/29/2017
page
1 of 3
SERIES: HSS-B20-02 │ DESCRIPTION: HEAT SINK
FEATURES
•
•
•
•
TO-220 package
available with and without solder pins
folded backfins for maximum cooling
black anodized finish
MODEL
solder pin
orientation
thermal resistance1
length
power
dissipation1
(mm)
@ 75°C ΔT,
nat conv
(°C/W)
@ 1 W,
nat conv
(°C/W)
@ 1 W,
200 LFM
(°C/W)
@ 1 W,
400 LFM
(°C/W)
@ 75°C ΔT,
nat conv
(W)
HSS-B20-074H
horizontal
7.4
20.59
27.22
5.39
4.51
3.64
HSS-B20-097H
horizontal
9.7
20.59
27.22
5.39
4.51
3.64
HSS-B20-NP-02
no pin
--
20.59
27.22
5.39
4.51
3.64
Note:
1. See performance curves for full thermal resistance details.
PERFORMANCE CURVES
100
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
Natural
Conv.
200 LFM
400 LFM
0
0
0
0
1
27.22
5.39
4.51
2
46.27
10.41
8.92
3
64.76
15.66
13.12
4
79.42
20.53
17.21
5
91.49
25.37
21.27
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
Mounting Surface Temperature
Rise Above Ambient (°C)
Power
(W)
Without Airflow
90
200 LFM
80
400 LFM
70
60
50
40
30
20
10
0
0
cui.com
1
2
3
Heat Dissipated (W)
4
5
For more information, please visit the product page.
CUI Inc │ SERIES: HSS-B20-02 │ DESCRIPTION: HEAT SINK
date 03/29/2017│ page 2 of 3
MECHANICAL DRAWING
units: mm
tolerance: ±0.5 mm
HSS-B20-074H
MATERIAL
AL5052
FINISH
black anodized
THICKNESS
0.8 mm
PIN MATERIAL
brass
PIN PLATING
tin
WEIGHT
HSS-B20-074H: 3.0 g
HSS-B20-097H: 3.0 g
HSS-B20-NP-02: 2.6 g
HSS-B20-097H
HSS-B20-NP-02
cui.com
For more information, please visit the product page.
CUI Inc │ SERIES: HSS-B20-02 │ DESCRIPTION: HEAT SINK
date 03/29/2017│ page 3 of 3
REVISION HISTORY
rev.
1.0
description
date
initial release
03/29/2017
The revision history provided is for informational purposes only and is believed to be accurate.
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800.275.4899
Fax 503.612.2383
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[email protected]
CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website.
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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