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DA-T263-301E-TR

P1-P3
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 DISSIPATION
FEATURES
•Increasedsurfaceareasby3timesthereforether-
malperformanceupto300%overthealuminum
stampedheatsinksonmarkets
•Lightweightaluminumconstructionallowsfaster
pickandplaceassemblyreducingthemanufactur-
ingcycletime
•Radiusmounted“Rollers”aredesignedformaxi-
mizingheattransferfromthecomponentand
avoidingthethermal“bottle-neck”seeninstamped
andstakedheatsinks.
•Availableinbulkpackagingortapeandreel(200or
250basedonpartseries)
•RoHSCompliant
OhmiteDSeriesheatsinksprovideaninnovative
solutionforSMTcompatiblesemiconductorsand
resistors.Theuniquedesign(PatentPending)com-
binestinplated,solderablerodswithanaluminum
extrudedheatsinkbody.Theserods(or“rollers”)
arematedmechanicallytotheheatsinkbyforgingto
reducethethermalresistancebetweentheheatsink
bodyandthesolderablefeet.
Specificallydesignedforusewiththeincreasingly
popularTO-252,TO-263andTO-268packages,the
DSeriesaffordstheusersuperiorthermalperfor-
manceoverthemorecommonstampedaluminum
heatsinks.Byeliminatingthestakingjointtypically
usedinstampedheatsinks,theresultingairgapand
thermal“bottle-neck”isalsoeliminated,whilesur-
faceareaforcoolingismaximizedwiththeextruded
finsoftheDSeriesbody.
FinalthermalperformanceishighlydependentonthethermalcharacteristicsofthePCB.Itis
possibletoseea50%dropintempriseinnaturalconvectionwithathermallyimprovedPCB.
(continued)
800400 600
50
Heat Dissipated (watts)
40
30
25
84
45
35
2610
60
14
6
4
8
10
12
200 1000
Air Velocity (ft./min.)
55
Case Temp. Rise above
Ambient (°C)
Thermal Resistance from Mounting
Surface to Ambient (°C/watts)
TO-252 (D)
TO-263 (D2)
101 & 201
301
401
Case Temp. Rise above
Ambient (°C)
Heat Dissipated (watts)
40
30
25
84
45
35
2610
50
Thermal Resistance from Mounting
Surface to Ambient (°C/watts)
6
2
4
8
10
12
800400200 600 1000
Air Velocity (ft./min.)
TO-268 (D3)
101 & 201
301
401
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
171
DIMENSIONS
±0.012” / ±0.30mm
0.56" (14.2mm)
0.44" (11.2mm)
0.27"
6.9mm
0.40"
10.2mm ±.30
0.10"
2.58mm
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)
0.79" (20mm)
0.67" (17mm)
TO-268 (D3)
±0.25mm
0.50"
12.7mm
0.67"
17mm ±0.2
0.79"
20mm ±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)
1.03"
26.0mm
TO-263 (D2)
0.44"
11.2mm
0.56"
14.2mm
TO-268 (D3)
TO-268 (D3)
1.22"
31.1mm
0.50"
12.7mm
0.67"
17.0mm
0.79"
20.0mm
0.46"
11.7mm
0.26"
6.6mm
0.09"
2.4mm
Style 40
TO-263 (D2)
0.44"
11.2mm
0.56"
14.2mm
TO-268 (D3)
(continued)
D Series
Heatsink For TO-252, TO-263
and TO-268 devices
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
172
D Series
Heatsink For TO-252, TO-263
and TO-268 devices
ORDERING INFORMATION
TAPE AND REEL
Reeldiameter:13.00”(330.00mm)
200pcsperreel-20,30and40series
250pcsperreel-10series
Standard part numbers For D Series
Part Number Description Packaging Weight
DV-T263-101E for D2 PAK, degreased Bulk 3.8 g
DA-T263-101E for D2 PAK, black anodized Bulk 3.8 g
DV-T263-101E-TR for D2 PAK, degreased Reel 3.8 g
DA-T263-101E-TR for D2 PAK, black anodized Reel 3.8 g
DV-T268-101E for D3 PAK, degreased Bulk 4.1 g
DA-T268-101E for D3 PAK, black anodized Bulk 4.1 g
DV-T268-101E-TR for D3 PAK, degreased Reel 4.1 g
DA-T268-101E-TR for D3 PAK, black anodized Reel 4.1 g
DV-T263-201E for D or D2 PAK, degreased Bulk 3.6 g
DA-T263-201E for D or D2 PAK, black anodized Bulk 3.6 g
DV-T263-201E-TR for D or D2 PAK, degreased Reel 3.6 g
DA-T263-201E-TR for D or D2 PAK, black anodized Reel 3.6 g
DV-T268-301E for D3 PAK, degreased Bulk 4.3 g
DA-T268-301E for D3 PAK, black anodized Bulk 4.3 g
DV-T268-301E-TR for D3 PAK, degreased Reel 4.3 g
DA-T268-301E-TR for D3 PAK, black anodized Reel 4.3 g
DV-T263-301E for D2 PAK, degreased Bulk 4.1 g
DA-T263-301E for D2 PAK, black anodized Bulk 4.1 g
DV-T263-301E-TR for D2 PAK, degreased Reel 4.1 g
DA-T263-301E-TR for D2 PAK, black anodized Reel 4.1 g
DV-T268-401E-TR for D3 PAK, degreased Reel 4.0 g
DA-T268-401E-TR for D3 PAK, black anodized Reel 4.0 g
DV-T263-401E-TR for D2 PAK, degreased Reel 3.9 g
DA-T263-401E-TR for D2 PAK, black anodized Reel 3.9 g
Style 10 Style 20 Style 30 Style 40
D
0 1.55mm 1.5mm 1.5mm 1.55mm
K
0 10.5mm 12.20mm 11.50mm 10.5mm
P
0 4mm 4.0mm 4.0mm 4mm
P
1 24mm 24mm 24.0mm 24mm
S
0 40.4mm 40.4mm 52.4mm 40.4mm
W 44mm 44mm 56mm 44mm
K0 P1 P0
S0 W
ø D
0
DA-T263-201E-TR
Series
D
Style
10, 20, 30 or 40
Length
1 = 0.50"
2, 3, 4 = optional lengths
assigned
sequentially on
customer request
Finish
A = black anodized
V = degreased
Package
T263 = TO-263
(or TO-252)
T268 = TO-268
Tape & Reel
RoHS
Compliant
Removable Kapton
tape on each part
facilitates handling
by automatic pick
and place equipment.
Style 10 tape and
reel only.
rev 7/18-1
LAND PATTERNS
LandPatternsforD,D2andD3
0.03"
(0.8mm)
0.06"
(1.4mm)
0.54"
(13.7mm)
0.56"
(14.2mm)
TO-268 (D3)
0.076"
(1.9mm)
0.06"
(1.4mm)
0.54"
(13.7mm)
0.64" (16.3mm)
0.56"
(14.2mm)
0.44" (11.2mm)
TO-252 (D)
TO-263 (D2)
TO-263 (D2)
0.62" (15.8mm)
0.35" (8.9mm) TO-252 (D)
0.03"
(0.8mm)
TO-263 (D2)
TO-252 (D)
0.84" (21.4mm)
0.84" (21.4mm)
0.65" (16.6mm)
P1-P3

DA-T263-301E-TR

Mfr. #:
Buy DA-T263-301E-TR
Manufacturer:
Ohmite
Description:
Heat Sinks TO-263 SMD HEAT SINK ANODZD
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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