HSS-B20-NP-03 Datasheet, PDF (1/3 Pages) CUI INC – clip for easy component attachment

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MODEL: HSS-B20-NP-03 │ DESCRIPTION: HEAT SINK
FEATURES
• TO-220 package
• clip for easy component attachment
• slim profile
• black anodized finish
date 03/30/2017
page 1 of 3
MODEL
HSS-B20-NP-03
Note:
1. See performance curves for full thermal resistance details.
PERFORMANCE CURVES
@ 75°C ΔT,
nat conv
(°C/W)
20.83
thermal resistance¹
@ 1 W,
nat conv
(°C/W)
22.14
@ 1 W,
200 LFM
(°C/W)
7.45
@ 1 W,
400 LFM
(°C/W)
5.76
power
dissipation¹
@ 75°C ΔT,
nat conv
(W)
3.60
100
Power
(W)
0
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
Natural
Conv.
200 LFM 400 LFM
0
0
0
90
Without Airflow
200 LFM
80
400 LFM
70
60
1
22.14
7.45
5.76
50
2
44.04
14.81
11.46
40
3
64.31
22.07
17.07
4
82.72
29.35
22.44
5
97.49
36.44
28.27
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
30
20
10
0
0
1
2
3
4
5
Heat Dissipated (W)
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