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Pushpin Attached Heat Sinks

Pushpin Attached Heat Sinks
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


LPDM / LPDH / LPDP Series
  • Sparser fin pattern. For low air flow or natural convection.
catalog RoHS REACH 3D CAD
LPDM Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
LPDM30 30 x 30 8, 10, 12, 15,
20, 25
23 x 23 DXF
LPDM35 35 x 35 28 x 28 DXF
LPDM40 40 x 40 10, 12, 15,
20, 25
33 x 33 DXF
LPDM45 45 x 45 38 x 38 DXF
LPDM50 50 x 50 43 x 43 DXF
LPDM54 54 x 54 47 x 47 DXF
LPDM60 60 x 60 53 x 53 DXF
LPDM70 70 x 70 63 x 63 DXF

LPDH Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
LPDH30 30 x 30 8, 10, 12, 15,
20, 25
23 x 23 DXF
LPDH35 35 x 35 28 x 28 DXF
LPDH40 40 x 40 10, 12, 15,
20, 25
33 x 33 DXF
LPDH45 45 x 45 38 x 38 DXF
LPDH50 50 x 50 43 x 43 DXF
LPDH54 54 x 54 47 x 47 DXF
LPDH60 60 x 60 53 x 53 DXF
LPDH70 70 x 70 63 x 63 DXF

LPDP Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
LPDP80 80 x 80 10, 12, 15, 20, 25 70 x 70 DXF
LPDP90 90 x 90 10, 12, 15 80 x 80 DXF

UBM / UBH / UBP Series
  • 0.55mm elliptical fins. For forced convection high performance heat sink.
catalog RoHS REACH 3D CAD
UBM Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
UBM30 30 x 30 8, 10, 12, 15,
20, 25
23 x 23 DXF
UBM35 35 x 35 28 x 28 DXF
UBM40 40 x 40 10, 12, 15,
20, 25
33 x 33 DXF
UBM45 45 x 45 38 x 38 DXF
UBM50 50 x 50 43 x 43 DXF
UBM54 54 x 54 47 x 47 DXF
UBM60 60 x 60 53 x 53 DXF
UBM70 70 x 70 63 x 63 DXF

UBH Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
UBH30 30 x 30 8, 10, 12, 15,
20, 25
23 x 23 DXF
UBH35 35 x 35 28 x 28 DXF
UBH40 40 x 40 10, 12, 15,
20, 25
33 x 33 DXF
UBH45 45 x 45 38 x 38 DXF
UBH50 50 x 50 43 x 43 DXF
UBH54 54 x 54 47 x 47 DXF
UBH60 60 x 60 53 x 53 DXF
UBH70 70 x 70 63 x 63 DXF

UBP Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
UBP80 80 x 80 10, 12, 15, 20, 25 70 x 70 DXF
UBP90 90 x 90 10, 12, 15 80 x 80 DXF

ZM / ZH Series
  • 0.35mm fin thickness. Low profile heat sink for forced convection.
catalog RoHS REACH 3D CAD
ZM Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
ZM30 30 x 30 8.0, 9.5, 12.7 23 x 23 DXF
ZM35 35 x 35 28 x 28 DXF
ZM40 40 x 40 9.5, 12.7 33 x 33 DXF
ZM45 45 x 45 38 x 38 DXF
ZM50 50 x 50 43 x 43 DXF
ZM54 54 x 54 47 x 47 DXF
ZM60 60 x 60 53 x 53 DXF

ZH Series Heat Sink Model Base Size (mm) Height (mm) Hole Pitch (mm) Drawing
ZH30 30 x 30 8.0, 9.5, 12.7 23 x 23 DXF
ZH35 35 x 35 28 x 28 DXF
ZH40 40 x 40 9.5, 12.7 33 x 33 DXF
ZH45 45 x 45 38 x 38 DXF
ZH50 50 x 50 43 x 43 DXF
ZH54 54 x 54 47 x 47 DXF
ZH60 60 x 60 53 x 53 DXF
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