Datasheet > 270-AB

270-AB

更新时间： 2024-11-09 20:09:03

品牌	Logo	应用领域
OHMITE		装置耐热支撑装置
页数	文件大小	规格书
1页	107K
描述
Heat Sink

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中文翻译

获取价格

技术参数
数据手册

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270-AB 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.82	耐热支撑装置类型：	HEAT SINK
Base Number Matches：	1

270-AB 数据手册

BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS

Small Footprint Low-Cost Heat Sinks

TO-220, TO-202

270/272/280 SERIES

Height Above

PC Board

in. (mm)

Horizontal Mounting

Maximum Footing

in. (mm)

Thermal Performance at Typical Load

Standard

P/N

Solderable

Tab Options

Natural

Forced

Weight

lbs. (grams)

Convection

270-AB

272-AB

280-AB

0.375 (9.4)

1.750 (44.5) x 0.700 (17.8)

1.750 (44.5) x 1.450 (36.8)

1.750 (44.5) x 0.700 (17.8)

—

01,02

—

70°C @ 4W

42°C @ 4W

70°C @ 4W

6.0°C/W @ 400 LFM

3.6°C/W @ 400 LFM

6.0°C/W @ 400 LFM

0.0052 (2.36)

0.0105 (5.72)

0.0048 (2.18)

Material: Aluminum, Black Anodized

These exceptionally low-cost heat sinks can be mounted horizontally under a TO-220 or

TO-202 case style with a maximum height of only 0.375 in. (9.4). For added performance,

a 271 Series heat sink can also be used for double-sided heat dissipation.

The 270-AB and 280-AB accept one power semiconductor; the 272-AB is designed for two

power semiconductors. Specify solderable tab options for the 272 Series by the addition of

suffix “O1” or “02” to the standard part number (i.e. 272-AB01 or 272-AB02).

NATURAL AND FORCED

CONVECTION CHARACTERISTICS

MECHANICAL DIMENSIONS

270 SERIES

280 SERIES

272AB01

272AB02

272 SERIES

Dimensions: in. (mm)

1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

中文翻译

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