HSS-C2540-SMT-TR Datasheet, PDF (1/3 Pages) CUI INC – surface mount

For more information, please visit the product page.
MODEL: HSS-C2540-SMT-TR │ DESCRIPTION: HEAT SINK
FEATURES
• TO-263 package
• low profile design
• surface mount
• tape and reel pack
date 04/03/2017
page 1 of 3
MODEL
HSS-C2540-SMT-TR
Note:
1. See performance curves for full thermal resistance details.
PERFORMANCE CURVES
@ 75°C ΔT,
nat conv
(°C/W)
19.74
thermal resistance¹
@ 1 W,
nat conv
(°C/W)
21.90
@ 1 W,
200 LFM
(°C/W)
5.50
@ 1 W,
400 LFM
(°C/W)
4.00
power
dissipation¹
@ 75°C ΔT,
nat conv
(W)
3.80
Heatsink Temperature Rise Above
Ambient (ΔT = Ths - Ta) (°C)
Power
(W)
Natural
Conv.
200 LFM 400 LFM
0
0
0
0
1
21.90
5.50
4.00
2
41.68
11.15
7.79
3
62.55
16.69
12.14
4
79.22
22.44
16.40
5
98.00
28.21
20.66
Ths: “hot spot” temperature measured on the heatsink
Ta: ambient temperature
100
90
Without Airflow
200 LFM
80
400 LFM
70
60
50
40
30
20
10
0
0
1
2
3
4
5
Dissipated Power (W)
cui.com