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Extruded Channel Liquid Cold Plates
For High Power IGBT Applications
EXTRUDED CHANNEL LCP
Aavid Extruded Channel liquid cold plates are an
economical alternative to traditional machined cold
plate offerings. Brazed construction offers a robust
and hermetic product as compared to other assembly
methods. Designed to be easily customizable to meet
your application needs.
Features & Benefits
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All aluminum construction including
wetted surfaces minimizes weight and cost
Accommodates common IGBT mounting
configurations & other electronic components
Cools equally well from both sides allowing
more packaging flexibility
Easy and quick customization to suit application
Quick turnaround times for quick prototypes
Power dissipation watts to kilowatts
Customizing
The Aavid EC (Extruded Channel) liquid cold plate
combines standard parts in different ways to match
customer requirements. Its desired performance can
be obtained by selecting the desired profile, number
of passes and central section length.
Compatible Fluids
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Water
Glycol
Diesel
Dielectric
Oil
Standard Customizations
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Number of flow passes
Extruded Center Section Length
Port configuration and position
Mounting hole pattern
Cooling sides (one only or both)
Build Your Own Solution
Step 1 Choose from four extruded profiles
and specify the number of flow passes.
Step 2 Specify the desired LCP length up to 950mm.
Step 3 Choose the desired finish.
Select the port configuration and location.
Step 4 Specify if the cooling will be done on one side or two.
Step 5 Provide a drawing specifying mounting hole
locations, threads, Heli-Coils, inserts or thru holes,
and any additional CNC machining.
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Extruded Channel Liquid Cold Plates
For High Power IGBT Applications
Build Your Own Solution Continued
XX X X XXX X - XX X X X X
A B C
D
F G H I J
E
A = LCP Series
Code
Description
EC
Extruded Channel
B = Profile code
Code
W x H (mm)
A
140 x 25
B
190 x 30
C
200 x 25
D
215 x 30
C = # of passes
Code Description
1
1 pass
2
2 pass
3
3 pass
4
4 pass
6
6 pass
D = Total LCP length
Code
Description
xxx
must be < 950mm
The two end parts are both 40mm long
Available length for IGBTs will be xxx-80mm
Channels
4
6
6
6
Profile
A, B, C, D
A, B, C, D
B, C, D
A
B, C, D
= in
= out
2-pass
E = Finish
Code
U
B
C
L
Description
unfinished
black anodize
gold chromate
clear chromate
F = Port Size
Code
12
38 00
01 02
Description
G 1/2 female
G 3/8 female
custom
NPTF
NPTM
H = # Sides Cooling
Code
Description
1
one side
2
two sides
G = Port location
Code Fig. Description
0
A
Top – ports and components on the same side
1
B
Bottom – ports and components on the
opposite sides
2
C, D Front and rear – depends on selected
profile and port
3
E, F, G Lateral right side – depends on selected
profile and port
4
E, F, G Lateral left side – depends on selected
profile and port
5
Custom – for odd # of passes layouts,
ports will be placed on the opposite side
Profile A – FLOW PATH
1-pass
Example Part Number: ECC3380U-120100
Profile C, 3-pass version, 380 mm long LCP (IGBTs available length: 300 mm), unfinished,
G 1/2 female - MPTF ports, ports on the top (same side as components), one side only
cooling, no turbulence improvement, no custom request.
4-pass
I = Turbulence improvement
Code
Description
0
No turbulence
improvement
1
*Wire-Turbo
2
*Strip-Turbo
3
*Other
*Under Development
J = Custom request
Code
Description
0
No custom request
C
Custom request
Figure A
Profiles B, C and D – FLOW PATH
1-pass
2-pass
3-pass
6-pass
Figure E
Figure F
Figure G
Figure B
Figure C
Figure D
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Extruded Channel Liquid Cold Plates
For High Power IGBT Applications
d6
d5
d4
d3
d2
d1
Adding Holes
45
The drawing and table below show keep out zones,
out of which holes can be safely added. Please, do
not place hole inside the keep out zones.
KEEP OUT ZONES
d2(mm)
d3(mm)
d4(mm)
d5(mm) d6(mm)
A
6
42
72
108
n.a.
n.a.
B
6
50
62
104
108
152
C
6
42
72
108
120
156
D
8
52
62
102
108
152
45
Profile # d1(mm)
Performance
Thermal resistance and pressure drop depend on:
To match roughly your needs, please, refer to the
graphs below. They show CFD results of a simplified
model which it is possible to start from in order to
select the right profile, length and # of passes.
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LCP length
Kind of coolant, coolant flow rate and inlet temperature
Total power and power distribution
Selected profile (A, B, C or D)
Number of passes
EC LCP (C profile - 200x25 - L=450) Performance (P=3 kW; 100% water)
EC LCP (A profile - 140x25 - L=410) Performance (P=2 kW; 100% water)
Rth - 1-pass
Rth - 2-pass
Rth - 4-pass
Δp - 1-pass
Δp - 2-pass
Δp - 4-pass
10.00
9.00
18
16
14
8.00
12
7.00
10
6.00
8
5.00
6
4.00
4
3.00
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
0
Coolant Flow (l/min)
Coolant Flow (l/min)
EC LCP (B profile - 190x30 - L=450) Performance (P=3 kW; 100% water)
12.50
Thermal Resistance (°C/kW)
11.50
10.50
9.50
28
12.50
26
24
11.50
22
10.50
20
18
8.50
16
7.50
14
12
6.50
10
8.50
28
26
24
22
20
18
16
14
7.50
12
6.50
10
8
6
4
3.50
2
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
9.50
30
4.50
4.50
2.50
Rth - 1-pass
Rth - 2-pass
Rth - 3-pass
Rth - 6-pass
Δp - 1-pass
Δp - 2-pass
Δp - 3-pass
Δp - 6-pass
6
8
3.50
EC LCP (D profile - 215x30 - L=450) Performance (P=3 kW; 100% water)
5.50
5.50
Coolant Flow (l/min)
13.50
30
Thermal Resistance (°C/kW)
Rth - 1-pass
Rth - 2-pass
Rth - 3-pass
Rth - 6-pass
Δp - 1-pass
Δp - 2-pass
Δp - 3-pass
Δp - 6-pass
Pressure Drop (kPa)
13.50
0
Pressure Drop (kPa)
2
Thermal Resistance (°C/kW)
Thermal Resistance (°C/kW)
11.00
34
32
30
11.50
28
26
10.50
24
22
9.50
20
8.50
18
16
7.50
14
6.50
12
10
5.50
8
4.50
6
4
3.50
2
2.50
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
Rth - 1-pass
Rth - 2-pass
Rth - 3-pass
Rth - 6-pass
Δp - 1-pass
Δp - 2-pass
Δp - 3-pass
Δp - 6-pass
12.50
20
Pressure Drop (kPa)
12.00
2.00
13.50
22
Pressure Drop (kPa)
13.00
4
2
2.50
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
Coolant Flow (l/min)
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cooling solutions since 1964
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