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Pushpin Attached Heat Sinks (with attachment tabs)

Pushpin Attached Heat Sinks (with attachment tabs)
Proven Design

Pushpins are a popular mechanical attachment, offering flexibility & reliability at reasonable cost.

pushpin spring photo 1
Flexible Design

Hole location and attachment forces can be customized for each specific application.

pushpin spring photo 2
Simple & Easy

Captive pushpins and springs allow for a simple installation. Easy!

pushpin spring photo 2
Robust

Pushpin attachment has passed all shock and vibration testing.

Attachment Force

Appropriate attachment force/pressure can be consistently generated through pushpin/spring selection.

High Performance

High performance interface materials including phase change and thermal grease can be used instead of tape or epoxy.

Reference: About Pushpin with Spring Attachment


LPDR / LPDL Series
  • Sparser fin pattern. For low air flow or natural convection.
catalog RoHS REACH 3D CAD
LPDR Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
LPDR19 19 x 19 8, 10, 12, 15, 20 22 x 22 DXF
LPDR25 25 x 25 8, 10, 12, 15, 20, 25 30 x 30 DXF
LPDR30 30 x 30 8, 10, 12, 15, 20, 25
30, 35
35 x 35 DXF
LPDR35 35 x 35 40 x 40 DXF
LPDR40 40 x 40 45 x 45 DXF
LPDR45 45 x 45 50 x 50 DXF

LPDL Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
LPDL19 19 x 19 8, 10, 12, 15, 20 22 x 22 DXF
LPDL25 25 x 25 8, 10, 12, 15, 20, 25 30 x 30 DXF
LPDL30 30 x 30 8, 10, 12, 15, 20, 25
30, 35
35 x 35 DXF
LPDL35 35 x 35 40 x 40 DXF
LPDL40 40 x 40 45 x 45 DXF
LPDL45 45 x 45 50 x 50 DXF

UBR / UBL Series
  • Denser fin pattern. For forced convection high performance heat sink.
catalog RoHS REACH 3D CAD
UBR Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
UBR19 19 x 19 8, 10, 12, 15, 20 22 x 22 DXF
UBR25 25 x 25 8, 10, 12, 15, 20, 25 30 x 30 DXF
UBR30 30 x 30 35 x 35 DXF
UBR35 35 x 35 40 x 40 DXF
UBR40 40 x 40 45 x 45 DXF
UBR45 45 x 45 50 x 50 DXF

UBL Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
UBL19 19 x 19 8, 10, 12, 15, 20 22 x 22 DXF
UBL25 25 x 25 8, 10, 12, 15, 20, 25 30 x 30 DXF
UBL30 30 x 30 35 x 35 DXF
UBL35 35 x 35 40 x 40 DXF
UBL40 40 x 40 45 x 45 DXF
UBL45 45 x 45 50 x 50 DXF

NR Series
  • For omni-directional low air flow or natural convection.
catalog RoHS REACH 3D CAD
NR Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
NR25 25 x 25 8, 10, 12, 15, 20, 25 30 x 30 DXF
NR30 30 x 30 35 x 35 DXF
NR35 35 x 35 40 x 40 DXF
NR40 40 x 40 45 x 45 DXF
NR45 45 x 45 50 x 50 DXF

SR Series
  • For omni-directional forced convection high performance heat sink.
catalog RoHS REACH 3D CAD
SR Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
SR25 25 x 25 8, 10, 12, 15, 20, 25 30 x 30 DXF
SR30 30 x 30 35 x 35 DXF
SR35 35 x 35 40 x 40 DXF
SR40 40 x 40 45 x 45 DXF

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