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Pushpin Attached Heat Sinks

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Pushpin Attached Heat Sinks
  • Pushpin and spring combinations can be chosen to suit each particular PCB thickness and chip size.
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.
catalog3D CADRoHSREACH
LPDM Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
LPDM2525 x 258, 10, 12, 15,
20, 25
18 x 182.5DXF
3.175DXF
LPDM3030 x 3023 x 232.5DXF
3.175DXF
LPDM3535 x 3528 x 282.5DXF
3.175DXF
LPDM4040 x 40( 7 ), 10, 12, 15,
20, 25, 30, 35
33 x 332.5DXF
3.175DXF
LPDM4545 x 4538 x 382.5DXF
3.175DXF
LPDM5050 x 50( 7 ), 10, 12, 15,
20, 25, 30, 35, 40
43 x 433.175DXF
LPDM5454 x 5447 x 47DXF
LPDM6060 x 6053 x 53DXF
LPDM7070 x 7010, 12, 15, 20
25, 30, 35, 40
63 x 63DXF

LPDH Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
LPDH2525 x 258, 10, 12, 15,
20, 25
18 x 182.5DXF
3.175DXF
LPDH3030 x 3023 x 232.5DXF
3.175DXF
LPDH3535 x 3528 x 282.5DXF
3.175DXF
LPDH4040 x 40( 7 ), 10, 12, 15,
20, 25, 30, 35
33 x 332.5DXF
3.175DXF
LPDH4545 x 4538 x 382.5DXF
3.175DXF
LPDH5050 x 50( 7 ), 10, 12, 15,
20, 25, 30, 35, 40
43 x 433.175DXF
LPDH5454 x 5447 x 47DXF
LPDH6060 x 6053 x 53DXF
LPDH7070 x 7010, 12, 15, 20
25, 30, 35, 40
63 x 63DXF

LPDP Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
LPDP8080 x 8010, 12, 15, 20, 2570 x 703.175DXF
LPDP9090 x 9010, 12, 1580 x 80DXF

UBM / UBH / UBP Series
  • 0.55mm elliptical fins. For forced convection high performance heat sink.
catalog3D CADRoHSREACH
UBM Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
UBM2525 x 258, 10, 12, 15,
20, 25
18 x 182.5DXF
3.175DXF
UBM3030 x 3023 x 232.5DXF
3.175DXF
UBM3535 x 3528 x 282.5DXF
3.175DXF
UBM4040 x 40( 7 ), 10, 12, 15,
20, 25
33 x 332.5DXF
3.175DXF
UBM4545 x 4538 x 382.5DXF
3.175DXF
UBM5050 x 5043 x 433.175DXF
UBM5454 x 5447 x 47DXF
UBM6060 x 6053 x 53DXF
UBM7070 x 7010, 12, 15,
20, 25
63 x 63DXF

UBH Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
UBH2525 x 258, 10, 12, 15,
20, 25
18 x 182.5DXF
3.175DXF
UBH3030 x 3023 x 232.5DXF
3.175DXF
UBH3535 x 3528 x 282.5DXF
3.175DXF
UBH4040 x 40( 7 ), 10, 12, 15,
20, 25
33 x 332.5DXF
3.175DXF
UBH4545 x 4538 x 382.5DXF
3.175DXF
UBH5050 x 5043 x 433.175DXF
UBH5454 x 5447 x 47DXF
UBH6060 x 6053 x 53DXF
UBH7070 x 7010, 12, 15,
20, 25
63 x 63DXF

UBP Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
UBP8080 x 8010, 12, 15, 20, 2570 x 703.175DXF
UBP9090 x 9010, 12, 1580 x 80DXF

ZM / ZH Series
  • 0.35mm fin thickness. Low profile heat sink for forced convection.
catalog3D CADRoHSREACH
ZM Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
ZM2525 x 258.0, 9.5, 12.718 x 182.5DXF
3.175DXF
ZM3030 x 3023 x 233.175DXF
ZM3535 x 3528 x 28DXF
ZM4040 x 409.5, 12.733 x 33DXF
ZM4545 x 4538 x 38DXF
ZM5050 x 5043 x 43DXF
ZM5454 x 5447 x 47DXF
ZM6060 x 6053 x 53DXF

ZH Series Heat SinkModelBase Size
(mm)
Height
(mm)
Hole Pitch
(mm)
PCB Hole Dia.
(mm)
Drawing
ZH2525 x 258.0, 9.5, 12.718 x 182.5DXF
3.175DXF
ZH3030 x 3023 x 233.175DXF
ZH3535 x 3528 x 28DXF
ZH4040 x 409.5, 12.733 x 33DXF
ZH4545 x 4538 x 38DXF
ZH5050 x 5043 x 43DXF
ZH5454 x 5447 x 47DXF
ZH6060 x 6053 x 53DXF
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