HSS-B20-NP-14 Datasheet, PDF (1/3 Pages) CUI INC – clip for easy component attachment

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MODEL: HSS-B20-NP-14 │ DESCRIPTION: HEAT SINK
FEATURES
• TO-220 package
• clip for easy component attachment
• slim profile
• black anodized finish
date 04/03/2017
page 1 of 3
MODEL
HSS-B20-NP-14
Note:
1. See performance curves for full thermal resistance details.
PERFORMANCE CURVES
@ 75°C ΔT,
nat conv
(°C/W)
17.05
thermal resistance¹
@ 1 W,
nat conv
(°C/W)
20.24
@ 1 W,
200 LFM
(°C/W)
4.51
@ 1 W,
400 LFM
(°C/W)
2.98
power
dissipation¹
@ 75°C ΔT,
nat conv
(W)
4.40
100
Power
(W)
0
1
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
Natural
Conv.
200 LFM 400 LFM
0
0
0
20.24
4.51
2.98
90
Without Airflow
200 LFM
80
400 LFM
70
60
50
2
39.74
9.11
6.46
40
3
54.87
13.92
10.06
30
4
69.73
18.51
13.29
5
83.44
23.25
16.59
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
20
10
0
0
1
2
3
4
5
Dissipated Power (W)
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