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參數(shù)資料
| 型號： | R2A-CT4-38E |
| 廠商： | Ohmite |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 0K |
| 描述： | HEATSINK FOR TO-247 |
| 特色產(chǎn)品： | R2 Series Heatsinks |
| 標準包裝： | 5 |
| 系列： | R2 |
| 類型： | 插件板級 |
| 冷卻式包裝： | TO-247 |
| 固定方法： | 夾和 PC 引腳 |
| 形狀： | 矩形 |
| 長度： | 1.50"（38.10mm） |
| 寬： | 1.380"（35.05mm） |
| 機座外的高度（散熱片高度）： | 0.870"（22.10mm） |
| 溫升時的功耗： | 2W @ 20°C |
| 在強制氣流下的熱敏電阻： | 在 800 LFM 時為1.0°C/W |
| 自然環(huán)境下的熱電阻： | 8.6°C/W |
| 材質(zhì)： | 鋁 |
| 材料表面處理： | 黑色陽極化處理 |
1-866-9-OHMITE Int’l 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info@ohmite.com
2
Surface
Thermal
Heatsink
Area
Weight
Resistance*
Part Number
(in2/mm2)
(oz/g)
(°C/W)
R2V-CT2-38E
21 / 13,579
0.92 / 26
9.8
R2A-CT2-38E
21 / 13,579
0.92 / 26
8.6
R2V-CT4-38E
21 / 13,579
1.02 / 29
9.8
R2A-CT4-38E
21 / 13,579
1.02 / 29
8.6
R2V-CT6-38E
21 / 13,579
1.02 / 29
9.8
R2A-CT6-38E
21 / 13,579
1.02 / 29
8.6
*Free convection at 15W
Ohmite’s R2 Series (patent pending) heatsink pro-
vides a large surface area along with our C Series
clipping mechanism to attach to a TO-220, TO-247,
or TO-264 package. The self-aligning features of the
clip assure secure attachment and enhanced thermal
performance. Because no screws are required for
device mounting, additional fins can be added to the
rear side of the heatsink for increased total surface
area in a more compact space.
FEA TURES
Reduced Assembly Cost: C Series camming clips
make fasteners and fixtures obsolete, along with
stray metal filings from tapped holes.
Maximum Repeatability: clamping force of the clip
is not degraded by repeated loading and unloading.
Maximum Heat Transfer per Unit Space: maximum
surface area per unit volume and consistent mount-
ing force reduces thermal resistance
Maximum Resistance to Shock and Vibration: light
weight, resilient clips lock the component in place
and are highly resistant to shock and vibration
Maximum Reliability: helps prevent short circuits
by eliminating metal particles from thread tapping
RoHS compliant
R2 Series
For TO-220, TO-247, and TO-264
ch ARA c TER i ST ic S
Heat Sink Aluminum Alloy 6063-T5 or Equivalent with either degreased or 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 compli-
ant
Interface Thermal Resistance for improvement, use thermal joint compound, 0.005 Grafoil (TGon 800 by Laird),
or phase change material (Hi-Flow by Bergquist)
Insulator (Optional) Sil-Pad 900-S, K6 800-S and K10
SER i ES SPE ci F ic AT i ONS
THERMAL
MANAGEMENT
HEATSINK
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