Online Catalog

Passive Heat Sink

Quick Reference

Back Ground
Thermal Resistance
Pressure Drop

Related Information

Choosing a heat sink
Custom Heat Sink

LPD Series

LPD picture

Low Pressure Drop Type

Fin Dimensions

Thickness : 0.75 - 0.95 mm
Gap : 3.10 - 3.91 mm

Heat Sink Height

3.0 - 40.0 mm

MD Series

MD picture

Middle Density Type

Fin Dimensions

Thickness : 0.75 - 0.95 mm
Gap : 2.28 - 2.98 mm

Heat Sink Height

6.0 - 30.0 mm

W Series

W picture

Stanadrd elliptical fin.

Fin Dimensions

Thickness : 0.80 - 1.80 mm
Gap : 1.80 - 2.34 mm

Heat Sink Height

10.0 - 45.0 mm

L Series

L picture

High Profile Type

Fin Dimensions

Thickness : 1.10 mm
Gap : 2.34 mm

Heat Sink Height

30.0 - 40.0 mm

LC Series

LC picture

Copper Embedded L Type Heat Sink

LT Series

LT picture

Line Type fin.

Fin Dimensions

Thickness : 0.70 - 0.90 mm
Gap : 1.86 - 2.29 mm

Heat Sink Height

20.0 - 45.0 mm

UB Series

UB picture

0.55mm Elliptical Fins.

Fin Dimensions

Thickness : 0.50 - 0.55 mm
Gap : 1.45-1.64 mm

Heat Sink Height

5.0 - 30.0 mm

UBC Series

UBC picture

Copper Embedded UB Type Heat Sink

Z Series

Z picture

0.35mm fin thickness.

Fin Dimensions

Thickness : 0.35 mm
Gap : 1.13 - 1.17 mm

Heat Sink Height

6.3 - 12.7 mm

T Series

T picture

0.23mm fin thickness.
For small package.

Fin Dimensions

Thickness : 0.23 mm
Gap : 1.02 - 1.04 mm

Heat Sink Height

3.0 - 6.0 mm

N Series

N picture

Omnidirectional hexagon pin fin heat sinks. Sparse fin pattern. Suitable for natural convection.

Pin Dimensions

Thickness : 1.90 - 2.50 mm
Gap : 5.78 - 7.87 mm

Heat Sink Height

10.0 - 40.0 mm

CS Series

N picture

High Aspect Ratio
Omnidirectional square pin fin heat sinks.

Pin Dimensions

Thickness : 1.45 mm
Gap : 2.31 - 2.59 mm

Heat Sink Height

50.0 mm

S Series

S picture

Omnidirectional square pin fin heat sinks.

Pin Dimensions

Thickness : 1.45 - 2.00 mm
Gap : 1.75 - 2.60 mm

Heat Sink Height

5.0 - 40.0 mm

ST Series

ST picture

Omnidirectional heat sinks featuring thin, low profile, pins. Suitable for applications with very limited space.

Pin Dimensions

Thickness : 0.75 - 0.80 mm
Gap : 1.20 - 1.40 mm

Heat Sink Height

4.0 - 7.0 mm

Explanation
Natural Convection

Quick Reference by Heat Sink Base Size

Series
Name
Base Size
LPD MD W L LC LT UB UBC Z T N CS S ST
Series
Name
Base Size
70x130 70x130
60x120 60x120
100x100 100x100
90x90 90x90
80x80 80x80
70x70 70x70
60x60 60x60
55x55 55x55
54x54 54x54
50x50 50x50
48x48 48x48
45x45 45x45
40x40 40x40
38x38 38x38
35x35 35x35
30x30 30x30
25x25 25x25
19x19 19x19
15x15 15x15
10x10 10x10
( Unit: mm ) LPD MD W L LC LT UB UBC Z T N CS S ST ( Unit: mm )

© 2008 Alpha Novatech, Inc.