Online Catalog
Heat Sink with attachment holes - shoulder screw
The length of the current password is short.
Please click here and update your password.
Please click here and update your password.
The current password is invalid.
If you forgot your passward, please click here and update your password.
If you forgot your passward, please click here and update your password.
Heat Sink with Shoulder Screw and Spring
- Shoulder screw and spring combinations can be chosen to suit each particular PCB thickness and chip size.
Stable & Robust
Shoulder screws offer the most reliable and rugged attachment method possible.
Safe & Simple
Captive hardware and simple installation minimizes possibility of error and damage.
Flexible Design
Hole location and attachment forces can be customized for each specific application.
Attachment Force
Appropriate attachment force/pressure can be consistently generated through screw/spring selection.
High Performance
High performance interface materials including phase change and thermal grease can be used instead of tape or epoxy.
Reference: About Shoulder Screw Attachment
LPD**S Series
- Sparser fin pattern. For low air flow or natural convection.
 | Model | Base Size (mm) | Height (mm) | Hole Pitch (mm) | Drawing |
|---|---|---|---|---|---|
| LPDM50S | 50 x 50 | 15, 20, 25 | 41 x 41 | DXF | |
| LPDM54S | 54 x 54 | 45 x 45 | DXF | ||
| LPDM60S | 60 x 60 | 51 x 51 | DXF | ||
| LPDM70S | 70 x 70 | 61 x 61 | DXF | ||
 | Model | Base Size (mm) | Height (mm) | Hole Pitch (mm) | Drawing |
|---|---|---|---|---|---|
| LPDH50S | 50 x 50 | 15, 20, 25 | 41 x 41 | DXF | |
| LPDH54S | 54 x 54 | 45 x 45 | DXF | ||
| LPDH60S | 60 x 60 | 51 x 51 | DXF | ||
| LPDH70S | 70 x 70 | 61 x 61 | DXF | ||
 | Model | Base Size (mm) | Height (mm) | Hole Pitch (mm) | Drawing |
|---|---|---|---|---|---|
| LPD80S | 80 x 80 | 15, 20, 25, 30 | 70 x 70 | DXF | |
| LPD90S | 90 x 90 | 80 x 80 | DXF | ||
| LPD100S | 100 x 100 | 90 x 90 | DXF | ||
UB**S Series
- Denser fin pattern. For forced convection high performance heat sink.
 | Model | Base Size (mm) | Height (mm) | Hole Pitch (mm) | Drawing |
|---|---|---|---|---|---|
| UBM50S | 50 x 50 | 15, 20, 25 | 41 x 41 | DXF | |
| UBM54S | 54 x 54 | 45 x 45 | DXF | ||
| UBM60S | 60 x 60 | 51 x 51 | DXF | ||
| UBM70S | 70 x 70 | 61 x 61 | DXF | ||
 | Model | Base Size (mm) | Height (mm) | Hole Pitch (mm) | Drawing |
|---|---|---|---|---|---|
| UBH50S | 50 x 50 | 15, 20, 25 | 41 x 41 | DXF | |
| UBH54S | 54 x 54 | 45 x 45 | DXF | ||
| UBH60S | 60 x 60 | 51 x 51 | DXF | ||
| UBH70S | 70 x 70 | 61 x 61 | DXF | ||
 | Model | Base Size (mm) | Height (mm) | Hole Pitch (mm) | Drawing |
|---|---|---|---|---|---|
| UB80S | 80 x 80 | 15, 20, 25 ,30 | 70 x 70 | DXF | |
| UB90S | 90 x 90 | 80 x 80 | DXF | ||
| UB100S | 100 x 100 | 90 x 90 | DXF | ||
Contact | © 2009-2022 Alpha Company Ltd.