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DV-T263-301E-TR Datasheet(PDF) 1 Page - Ohmite Mfg. Co.

Part # DV-T263-301E-TR
Description  RoHS Compliant
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Manufacturer  OHMITE [Ohmite Mfg. Co.]
Direct Link  http://www.ohmite.com
Logo OHMITE - Ohmite Mfg. Co.

DV-T263-301E-TR Datasheet(HTML) 1 Page - Ohmite Mfg. Co.

  DV-T263-301E-TR Datasheet HTML 1Page - Ohmite Mfg. Co. DV-T263-301E-TR Datasheet HTML 2Page - Ohmite Mfg. Co.  
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1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
170
D Series
Heatsink For TO-252, TO-263
and TO-268 devices
Heat D i SS ip ation
Fea ture S
•Increasedsurfaceareasby3timesthereforether-
malperformanceupto300%overthealuminum
stampedheatsinksonmarkets
•Lightweightaluminumconstructionallowsfaster
pickandplaceassemblyreducingthemanufactur-
ingcycletime
•Radiusmounted“Rollers”aredesignedformaxi-
mizingheattransferfromthecomponentand
avoidingthethermal“bottle-neck”seeninstamped
andstakedheatsinks.
•Availableinbulkpackagingortape&reel(250
unitsperreel
•RoHSCompliant
OhmiteDSeriesheatsinksprovideaninnovative
solutionforSMTcompatiblesemiconductorsand
resistors.Theuniquedesign(PatentPending)com-
binestinplated,solderablerodswithanaluminum
extrudedheatsinkbody.Theserods(or“rollers”)
arematedmechanicallytotheheatsinkbyforgingto
reducethethermalresistancebetweentheheatsink
bodyandthesolderablefeet.
Specificallydesignedforusewiththeincreasingly
popularTO-252,TO-263andTO-268packages,the
DSeriesaffordstheusersuperiorthermalperfor-
manceoverthemorecommonstampedaluminum
heatsinks.Byeliminatingthestakingjointtypically
usedinstampedheatsinks,theresultingairgapand
thermal“bottle-neck”isalsoeliminated,whilesur-
faceareaforcoolingismaximizedwiththeextruded
finsoftheDSeriesbody.
Finalthermalperformance
ishighlydependentonthe
thermalcharacteristicsof
thePCB.Itispossibletosee
a50%dropintemprisein
naturalconvectionwitha
thermallyimprovedPCB.
800
400
600
50
Heat Dissipated (watts)
40
30
25
8
4
45
35
26
10
60
14
6
4
8
10
12
200
1000
Air Velocity (ft./min.)
55
TO-252 (D)
TO-263 (D2)
101 & 201
301
Heat Dissipated (watts)
40
30
25
8
4
45
35
26
10
50
6
2
4
8
10
12
800
400
200
600
1000
Air Velocity (ft./min.)
TO-268 (D3)
101 & 201
301
D imen S ion S
±0.012” / ±0.30mm
0.56" (14.2mm)
0.44" (11.2mm)
0.27"
6.86mm
0.40"
10.16mm
0.10"
2.54mm
0.50"
12.7mm
TO-252 (D)
TO-263 (D2)
1.02"
25.91mm
TO-268 (D3)
1.22"
30.9mm
TO-252 (D)
TO-263 (D2)
0.76" (19.2mm)
0.64" (16.2mm)
TO-268 (D3)
±0.2mm
0.50"
12.7mm
0.64"
16.2mm ±0.2
0.76"
19.2mm ±0.2
0.15"
3.7mm
0.46"
11.6mm
0.26"
6.6mm
1.02"
25.9mm
0.44"
11.1mm
0.56"
14.1mm
0.50"
12.7mm
0.48"REF
12.1mm
0.09"
2.3mm
0.26"
6.6mm
Style 10
Style 30
Style 20
TO-268 (D3)
1.58"
40.2mm
TO-263 (D2)
1.39"
35.2mm
TO-263 (D2)
0.44"
11.2mm
0.56"
14.2mm
TO-268 (D3)
(continued)


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