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Heat SinkS
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amS technologies | Thermal Management Solutions
02 Heat Sinks
New webra HeaT SiNk profileS
New extrusion profiles offer 5-10% reduction in thermal
resistance and/or reduced pressure drop. The new web-
ra profile w-209-60-15-41 is an evolution of the well known
industry standard w-209-60-15-22. other new profiles are
w-107-45-12-31, w-209-45-12-61 and w-355-41-10-84 that
distinguish themselves through relatively low profiles and high
fin density enabling efficient heat transfer in the very vicinity of
the heat sources.
Webra ProfileWidth x Height
W x H mm²Weightkg / m
length testheat sink mm
Flow rate@Δp(reference valueswind tunnel test)*
Heat sourceswind tunnel test
rth for referenceoperational
conditions °C/WPage
w-107-45-12-31 110 x 57 8.1
290 50 l/s @ 400 pa 90 x 225 0.039
290 55 l/s @ 400 pa 90 x 225 0.038
290 50 l/s @ 170 pa 90 x 225 0.036
w-137-37-10-28 137 x 47 7.3 200 50 l/s @ 240 pa 62 x 122 (2 x) 0.058
w-209-45-12-61 215 x 57 16.2 290
w-209-60-15-41 215 x 75 25
200 100 l/s @ 180 pa 140 x 190 0.011
360 100 l/s @ 250 pa 140 x 190 (2 x) 0.019
360 Comparison w-209
w-240-64-15-23 240 x 79 26 400 270 l/s @ 760pa 90 x 270 (3 x) 0.011
w-351-41-10-83 360 x 50 22 400 ebm D2e @100 pa 90 x 270 (3 x) 0.015
* selected values for quick selection 2 uniform heat sources
Update on availibilty of profiles
w-61-63-12-15available with fin height 61, base thickness 15
w-198-62-12-28 available
w-62-51-9-16 available available
w-91-19-7-30please consider w-91-19-7-30 or check with aMS Technologies/webra for mini-mum order quantity
w-209-60-15-22 available
w-92-81-10-13 available w-209-50-15-50 available
w-98-19-6-38 available w-209-75-17-21 available
w-109-70-9-26 available w-210-60-16-18 available
w-148-35-10-21 available w-229-50-12-29 Discontinued
w-150-44-111-22 available w-231-103-17-18 Minimum order quantity applies
w-155-60-15-16 available w-257-67-15-26 available
w-172-62-13-24 available w-275-73-15-26 available
w-175-44-11-26 available w-343-35-12-40 available
w-194-60-15-20 available w-474-44-11-70 available
Supplement to the Webra Catalog
Heat Sinks 03
w-107-45-12-31
109-130
45
13.5
Bef
ore
ma c
hin i
ng
3.5
106.5±1.5
1403020
5
70
10
5040 60
20
100
15
80 90 120
30
20
25
35
30
40
50
45
60
55
Rth °C/kW h-a
6570
* 20°C 1013 hPa (mbar)
Air velocity m/s
Air �ow l/s160 *
100
200
400
300
500
700
600
900
800
Pressure drop Pa
10001100
Air
flow
* Test point 1
* Test point 2
* Test point 3
FanAir duct
25 35
Test point 3
Test point 2
Test point 1
110
57 12
90
47
290
225
290
Product Dimensions
Performance l=290
amS technologies | Thermal Management Solutions
04 Heat Sinks
w-107-45-12-31
1403020
5
70
10
5040 60
20
100
15
80 90 120
30
20
25
35
30
40
50
45
60
55
Rth °C/kW h-a
6570
* 20°C 1013 hPa (mbar)
Air velocity m/s
Air �ow l/s160 *
100
200
400
300
500
700
600
900
800
Pressure drop Pa
10001100
Air
flow
* Test point 1
* Test point 2
* Test point 3
Fan
Air duct
25 35
Test point 3
Test point 2
Test point 1
110
57 12
90
47
120290
12 12
85225
290
1403020 70
5
5040 60
10
10080 90 120
15
20
25
35
30
40
50
45
60
55
Rth °C/kW h-a
6570
* 20°C 1013 hPa (mbar)
Air velocity m/s
Air �ow l/s160 *
100
200
400
300
500
700
600
900
800
Pressure drop Pa
10001100
Air
flow
* Test point 1
* Test point 2
* Test point 3
FanAir duct
Test point 3
Test point 2
Test point 1
20
110
57 12
90
47
225
290
90110290
Performance l=290 impingement
Performance l=290 alternative air duct
Heat Sinks 05
10.5
36.6
(47.
1)
137
5 (27x)1
w-137-37-10-28
260
220
180
140
100
60
10 20 30 40 50 60 10080 Air �ow l/s
5 10 15 20 Air velocity m/s
500
400
900
600
300
200
100
0
Rth °C/kW h-aPressure drop Pa
*
* 20°C 1013 hPa (mbar)
Air
flow
1
2
Komp 2
700
800
1000
Komp 1
25
1
2
Fan Ø120. TUV B1238B12MRth = Komp 1 = Komp 2 = 166 °C/kWh-a
Rth = Komp 1 = Komp 2 = 128 °C/kWFan Ø150. ebm W2E143-AA09-01
h-a
28 Fins t=1.6
1047
135
137
20062
122
Product Dimensions
Performance l=200
amS technologies | Thermal Management Solutions
06 Heat Sinks
211.5-230 ±0.2
45
13. 5
Bef
ore
mac
hin i
ng
209.4±2
(60x) 3.465
w-209-45-12-61
2806040
5
140
10
10080 120
20
200
15
160 180 240
30
20
25
35
30
40
50
45
60
55
Rth °C/kW / comp. h-a
6570
* 20°C 1013 hPa (mbar)
Air velocity m/s
Air �ow l/s320 *
100
200
400
300
500
700
600
900
800
Pressure drop Pa
10001100
Air
flow
Test point 1
Test point 2
Test point 3
25 35
Test point 3
Test point 2
Test point 1
**
*
**
Test point 3
Test point 2
*
Test point 1
110
57 12
225
290
90
Product Dimensions
Performance l=400
Heat Sinks 07
(40x) 5.17
209 ± 1.5
60
16 B
efor
e m
ach i
nin g
210-240
w-209-60-15-41
7065
60
55
50
45
40
35
30
25
20
40 50 60 70 80 90 120 140100 Air �ow l/s
5 10 15 20 Air velocity m/s
500
400
450
350
300
250
200
150
100
50
0
Rth °C/kW h-aPressure drop Pa
*
* 20°C 1013 hPa (mbar)
160 200
1575
209
220
190
140
200
Product Dimensions
Performance l=200
amS technologies | Thermal Management Solutions
08 Heat Sinks
w-209-60-15-41
Performance l=360 Heat sink performance compared to other w-209 profiles
Performance l=360
50
40
30
60
50 60 70 80 90 100 140120 Air �ow l/s
5 10 15 20 Air velocity m/s
500
400
600
300
200
100
0
Rth °C/kW h-aPressure drop Pa
*
* 20°C 1013 hPa (mbar)
Air
flow
1
2
700
160
Comp. 2
Comp. 1
1575209
215
360140
190
50
40
30
60
50 60 70 80 90 100 140120 Air �ow l/s
5 10 15 20 Air velocity m/s
500
400
600
300
200
100
0
Rth °C/kW h-aPressure drop Pa
*
* 20°C 1013 hPa (mbar)
Air
flow
1
2
700
160
1 W-209-60-14-222 W-209-61-15-50
Cooler
2
Comp. 2Comp. 1
11
4
4 4
12
4 W-209-60-15-413 W-209-60-15-34
32
3
3
209
215
360140
190
XY
Heat Sinks 09
10.65
240.3±1.5
240-270
64
16.5
Be f
ore
mac
hini
n g
w-240-64-15-23
2806040
5
140
10
10080 120
20
200
15
160 180 240
25
20
30
50
40
60
80
70
100
90
Rth °C/kW h-a
110120
* 20°C 1013 hPa (mbar)
Air velocity m/s
Air �ow l/s320 *
100
300
700
500
900
1300
1100
1700
1500
Pressure drop Pa
19002100
Air
flow
1
2
3
Fan
Fan
Air duct 1
Air duct 2
Air duct 1Air duct 2
Comp. 2
Comp. 1
Comp. 1
Comp. 2
Comp. 3
270
79 15
240
250
6666
135400
400
15 20
110
Air duct 250
90
400
Product Dimensions
Performance l=400
amS technologies | Thermal Management Solutions
10 Heat Sinks
10.65
240.3±1.5
240-270
64
16.5
Be f
ore
mac
hini
n g
w-240-64-15-23
1
2
3
FanFanAir duct 1
Air duct 2
Air duct 3
Fan
FanRE22P-2DK.3F.1Rebm D2E135-AM47-70RD135-2EP.WC.2R
Comp.1
39.156.6
27.4Comp.2
70.948.131.3
Comp.3
79.7
34.255.1
Air duct
1
11
ebm D2E135-AM47-70RD135-2EP.WC.2R
RE22P-2DK.3F.1R
2
22
63.8
30.244.1 53.9
33.1
77.373.6
32.951.3
ebm D2E135-AM47-70RD135-2EP.WC.2R
RE22P-2DK.3F.1R
68.53
33
30.544.9
63.5 68.5
30.544.9
27.740.6
Rthh-a °C/kW
Rem. Ambient air temerature before fan.
drop (Pa)Pressure
94
40100420
98760240
910280
270
79 15
240
25066
66
135400
400
15 20
110
Air duct 250
90
400
66
140 120 140
Product Dimensions
Performance l=400
Heat Sinks 11
350.52±2
(82x) 4.26
353-380
40.5
12 (B
efor
e m
achi
nin g
)
w-351-41-10-83
7066
62
58
54
50
46
42
38
34
30
50 60 70 80 90 100 130 150110 Air �ow l/s
500
400
450
350
300
250
200
150
100
50
0
Rth °C/kW h-aPressure drop Pa
*
* 20°C 1013 hPa (mbar)
Air
flow
5 10 15 Air velocity m/s
/ Comp.
P = 1kW / Comp.
360
41.5 10
351
200
140
130
Product Dimensions
Performance l=320
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