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HSS-B20-NPR-02

P1-P3
date 03/30/2017
page
1 of 3
cui.com
SERIES: HSS-B20-NPX-02 │ DESCRIPTION: HEAT SINK
FEATURES
• TO-220 package
• round or slot hole attachment options
• black anodized finish
• aluminum
MODEL
mounting hole thermal resistance
1
power
dissipation
1
type size
(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-NPR-02 round Ø3.81 14.71 18.99 4.20 3.00 5.10
HSS-B20-NPS-02 slot 3.9 x 9.52 14.71 18.99 4.20 3.00 5.10
Note: 1. See performance curves for full thermal resistance details.
PERFORMANCE CURVES
Mounting Surface Temperature
Rise Above Ambient (°C)
0
10
20
30
40
50
60
70
80
90
100
0123456789
10
Heat Dissipated (W)
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 18.99 4.20 3.00
2 36.06 8.84 5.97
3 49.01 13.51 9.16
4 62.95 17.94 12.37
5 73.94 22.27 15.40
6 84.05 26.97 18.76
7 95.04 31.60 21.79
8 105.21 36.59 25.01
9 113.51 40.90 28.42
10 116.17 45.59 31.75
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: HSS-B20-NPX-02 │ DESCRIPTION: HEAT SINK date 03/30/2017│ page 2 of 3
HSS-B20-NPR-02 HSS-B20-NPS-02
MECHANICAL DRAWING
units: mm
tolerance: ±0.5 mm
MATERIAL AL1050
FINISH black anodized
THICKNESS 1.2 mm
WEIGHT
HSS-B20-NPR-02: 4.3 g
HSS-B20-NPS-02: 4.3 g
For more information, please visit the product page.
CUI Inc │ SERIES: HSS-B20-NPX-02 │ DESCRIPTION: HEAT SINK date 03/30/2017│ page 3 of 3
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.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initial release 03/30/2017
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
For more information, please visit the product page.
P1-P3

HSS-B20-NPR-02

Mfr. #:
Buy HSS-B20-NPR-02
Manufacturer:
Description:
HEATSINK TO-220 5.1W ALUMINUM
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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