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.II
omnlulipm
wakefieId—veHe
PA r. FENDIND
TO-Device Heat Sink with
Universal Clipping Method
Contact:
Wakefield-Vette
33 Bridge St.
Pelham, NH 03076
603-635-2800
www.wakefield –vette.com
T h e r m a lC o o l i n gS o l ut i o n sf r o m S m a r t t o F i n i s h
Features 81 Benefits
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omniKlip'M
THERMAL PERFORMANCE (OMNl-UNl-18)
Two TO-247 devices with s_i1-pad9oos, L : 50mm [2.0"]
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omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
The Wakefield- Vette omniKlip heat sink series are a configurable and patented (Pat. Pending) high performance, low cost and
compact solutions for TO-220, TO-247 and TO-264 , or similar packages. This powerful heat sink provides tool and fixture free
assembly operation, largest surface areas and smallest space occupation. It is the ideal type of heat sink for high power density and
small size (1U or 2U) electronic packaging with forced convention cooling.
Features & Benefits
•Minimum assembly cost and labor
Spring Clips make the mounting holes, fasteners, tools and fixtures obsolete in assembly operations & reduce costs.
•Maximum Repeatability
Constant spring force over repeated assembly/disassembly
•Maximum Reliability
Resilient spring action locks electronic component in place. Fewer parts in assembly and no fasteners and washers required. Prevent
short circuit by eliminating metal particles generated from hardware or thread tapping
•Design Flexibility
Maximum flexibility for dynamic device locations and power up grading. “Configure-to-Fit” gives designers total freedom to configure
heat sink needed to fit their dynamic design environments.
Specifications
•Heat Sink: Aluminum Alloy 6063-T5 or Equivalent with black anodized finish.
•Spring Clip: Music Wire, Per ASTM A228 with bright nickel plating
•Solder Foot: Cold-rolled Steel, Per ASTM A-366 with pure tin over copper strike.
RoHS compliant.
OMNI-CLIP-18-L Series Heat Sink
WkV Part Number Description
Related
Clip
Package Cooled
Length Width
Height Off
Base (Height
of Fin)
OMNI-UNI-18-25
OmniKlip Heat Sink , 18mm
wide, 25mm long, black
anodized for TO
-247 & TO-
264
OMNI
-
UC
TO
-247, TO-
264
0.984"
(25.00mm)
1.500"
(38.10mm)
0.710"
(18.03mm)
OMNI-UNI-18-50
OmniKlip Heat Sink , 18mm
wide, 50mm long, black
anodized for TO
-247 & TO-
264
OMNI
-
UC
TO
-247, TO-
264
1.969"
(50.00mm)
1.500"
(38.10mm)
0.710"
(18.03mm)
OMNI-UNI-18-75
OmniKlip Heat Sink, 18mm
wide, 75mm long, black
anodized for TO
-
247 &TO 264
OMNI
-
UC
TO
-247, TO-
264
2.95"
(75.00mm)
1.500"
(38.10mm)
0.710"
(18.03mm)
OMNI-220-18-25-1C
OmniKlip Heat Sink w/1 clip,
18mm wide, 25mm long, black
anodized for TO-220 TO-220
0.984"
(25.00mm)
1.500"
(38.10mm)
0.710"
(18.03mm)
OMNI-220-18-50-2C
OmniKlip Heat Sink w/2 clips,
18mm wide, 50mm long, black
anodized for TO-220 TO-220
1.969"
(50.00mm)
1.500"
(38.10mm)
0.710"
(18.03mm)
OMNI-220-18-75-3C
OmniKlip
Heat Sink w/3 clips,
18mm wide, 75mm long, black
anodized for TO-220 TO-220
2.95"
(75.00mm)
1.500"
(38.10mm)
0.710"
(18.03mm)
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U I THERMAL PERFORMANCE (OMNI-UNI-zmm
f I Two T0247 heat sources uniform] s med m. the heat Sink‘
y p
ff; —l—— L: 1.97” [50mm] and «ml ofIOW Power Dissipation
2 75
E Z 25 ,
E“ 1 25 ,
o 75 ‘ ‘
0 200 400 600 800 1000 1200
Air How Velucily (PPM)
NOTE Natural Canvaman Dianna! minim 3 94 'C/W hassdon
70 '0 Temp rise aboutsmbisnt.
omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
OMNI-UNI-27-L Series Heat Sink
WkV Part
Number Description
Related Cross Sell Part
Package Cooled
Length
(mm)
Width
(mm)
Height
(mm)
OMNI
-UNI-27-
25
omniKlip-Heatsink for TOs, 27mm wide,
25mm long, single sided, black anodized
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264,TO-
220 25 27 50
OMNI
-UNI-27-
50
omniKlip-Heatsink for TOs, 27mm wide,
50mm long, single sided, black anodized
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264,TO-
220 50 27 50
OMNI
-UNI-27-
75
omniKlip-Heatsink for TOs, 27mm wide,
75mm long, single sided, black anodized
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264,TO-
220 75 27 50
N
UI
N
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Thorn-l Humane- from On. to
Ambhm par Dovleo (cm-no)
o ..
in u:
____..\
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PTH, 2 PLS
Fan Flow nan-(um)
omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
OMNI-UNI-32-L Series Heat Sink
WkV Part Number
Description Related Cross Sell Part
Package
Cooled Shape Length Width
Height Off Base
(Height of Fin)
OMNI-UNI-32-58
OmniKlip Heat Sink for 2 universal 2
clips, 32mm wide, 58mm long, black
anodized for any TO except TO220 OMNI-UC, OMNI-220C
TO-247, TO-
264
Rectangular,
Fins
2.28" (58mm)
1.25" (32mm)
1.62 (46.3mm)
___..\
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omniKlipT"
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[in] m
m —1 x (-1 y r
ml]
' __ H P THERMAL PERFORMANCE OMNI»UNI-30-50‘
In __ ‘ a Two T0-247 heat sources uniformly spaced on the heat
nsri Sink, L=1.97" [50mm] & total of 10W Power Dissipation
3.00
S 2.50
U
E 2 oo
E
E 1.50
Lu
T:
E 1 00
,_
0.50
o 200 400 600 800 1000 1200
Air Flow Velocity [LFM]
NOTE: Natuml Convection Thermal resistance 4.06 'w based
on 70 'c Temn rise about ambient.
omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
OMNI-UNI-30-L Double Sided Series Heat Sink
WkV Part
Number Description Package Cooled
Length (mm)
Width (mm)
Height (mm)
OMNI
-UNI-30
-
25-D
omniKlip-Heatsink for TOs, 30mm wide,
25mm long, double sided, black anodized
TO-247, TO-
264,TO-220 25 30 60
OMNI
-UNI-30
-
50-D
omniKlip-Heatsink for TOs, 30mm wide,
50mm long, double sided, black anodized
TO-247, TO-
264,TO-220 50 30 60
OMNI
-UNI-30
-
75-D
omniKlip-Heatsink for TOs, 30mm wide,
75mm long, double sided, black anodized
TO-247, TO-
264,TO-220 75 30 60
____..\
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99999999999
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9,99.9999,99999
99 9 9
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(2595; [.91]
’9 ‘9”99’9’9‘9‘9
$73.71 < l-4.dg[.16]="" d="">< figs;="" l="" .="" 30,2="" h="" i9]="" ‘="" thermal="" performancegomni-unl-34-50="" 4="" l="" 5‘,"="" two="" t0-247="" heal="" solutes="" uniformly="" spaced="" on="" the="" heat="" sink,="" if;="" i“="" .231="" l:1.97"="" [50mm]="" and="" total="" of="" low="" power="" dissipalion="" 1.45="" 1="" 15="" 1.05="" 0.35="" 0.65="" thermal="" resistance="" ('c/w)="" ms="" 0="" 25="" 0="" 201:="" 400="" 500="" 500="" 1000="" 1100="" av="" flow="" ve‘oclty="" (lfm)="" note:="" namml="" conveman="" them!="" resistance="" 2.10="" “w="" based="" on="" 70="" 'c="" temp="" use="" about="" ambient="">omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
OMNI-UNI-34-L Series Heat Sink
WkV Part
Number Description
Related Cross Sell Part
Package Cooled
Length
(mm)
Width
(mm)
Height
(mm)
OMNI
-UNI-34-
25
omniKlip-Heatsink for TOs, 34mm wide,
25mm long, single sided, black anodized
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264,TO-
220 25 34 75
OMNI
-UNI-34-
50
omniKlip-Heatsink for TOs, 34mm wide,
50mm long, single sided, black anodized
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264,TO-
220 50 34 75
OMNI
-UNI-34-
75
omniKlip-Heatsink for TOs, 34mm wide,
75mm long, single sided, black anodized
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264,TO-
220 75 34 75
____..\
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omniKlipT"
““1 fin”
an [157] [.11] 2X20 , L ,
[241 m——1 . “— —r*
1 f— [.08] c- .3— L-LOSLIG] :—
1
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4n ’ Q
,5 [1.57] i ~
n5: \
_ O " O O O ‘\
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[2:71:11 3a. A \ PTH [2 PLS]
m '
n
L. x 5.4 v ,.,
‘ THERMAL PERFORMANCE OMNLUNIAOVSD
L7 Two T0-247 heal sources uniformly spaced on the heat
[‘33. 4’ Sink, L:l.97“ [50mm]&Iolalof10WPowerDissipatinn
* I’m
[.197]
175
150
125
100
075
Thermal Resistance ('C/w)
use
015
u 200
Air
400
600 800
How Velocity (LFM)
1000
1200
NOTE: Natural Convecfian Thonnal msistanco 2.50 ‘W based
on 70 '0 Temp an a
bout ambient.
omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
OMNI-UNI-40-L Double Sided Series Heat Sink
WkV Part Number Description Package Cooled
Length (mm)
Width (mm)
Height (mm)
OMNI-UNI-40-25-D
omniKlip-Heatsink for TOs, 40mm wide,
25mm long, double sided, black anodized
TO-247, TO-
264,TO-220 25 40 75
OMNI-UNI-40-50-D
omniKlip-Heatsink for TOs, 40mm wide,
50mm long, double sided, black anodized
TO-247, TO-
264,TO-220 50 40 75
OMNI-UNI-40-75-D
omniKlip-Heatsink for TOs, 40mm wide,
75mm long, double sided, black anodized
TO-247, TO-
264,TO-220 75 40 75
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omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
OMNI-UNI-41-L Series Heat Sink
WkV Part
Number Description
Related Cross Sell Part
Package Cooled
Shape Length Width
Height Off Base
(Height of Fin)
OMNI
-UNI-41-
75
OmniKlip Heat Sinkk for 2 universal clips,
41mm wide, 75mm long, black anodized
for any TO except TO220
OMNI
-UC, OMNI-
220C
TO
-247, TO-
264
Rectangular,
Fins 2.95" (75mm) 1.61" (41mm)
1.62 (46.3mm)
__.__..\
wakefieId-vette
omniKlipm
omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
Part Number
Description
OMNI
-UC
Universal Clip for OmniKlip Heat Sink for any TO except T0220
OMNI
-220C
Clip for
OmniKlip Heat Sink for TO 220
Clips
Universal Clip mechanism is rotating the bar by 180° The eccentric circle will raise 0.09”. This deformation will exert
the force on the components.
omniKlip assembly model in ANSYS, with
18 lbf load applied to the clip
Under the 18 lbf, the clip deformed 0.09”
from its original position to the final
Directional deformation plot as shown
With the FEA analysis and simulation,
the force applied to the TO-series
components will be at least 18 lbs.
__.__.._
wakefieId-velte
omniKlip'"
Additional Configurations
omniKlip Series Heat Sink w/ Clip (s) for TO-Devices
Additional Configurations
Contact Wakefield-Vette for more information or visit www.wakefield-vette.com
Back to Back Mounting with 60mm Fan
(OMNI-UNI-41-L Series Heat Sink)
Back to Back Mounting with 40mm Fan
(OMNI-UNI-32-L Series Heat Sink)
Face to Face Mounting (Space Savor)
(OMNI-UNI-41-L Series Heat Sink
Face to Face Mounting (Space Saver)
(OMNI-UNI-32-L Series Heat Sink)
