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PDFs and Datasheets VX Series Heatsink Datasheet

VX Series Datasheet

Heat Sinks For TGHE Series and SOT-227 Devices 

VX Series product image

 

Ohmite introduces the VX series heat sinks for the Ohmite TGHE series and SOT-227 devices. This powerful heat sink has a unique profile that allows thru-hole soldering onto PCBs, panel mounting, or chassis mounting with fasteners. The VX series is an ideal heat sink that is designed for large power yet provides a light weight package and works with forced convection cooling.

Specifications

Compatible parts/devices:

TGHE

Surface Area (in2 / mm2):

38 / 24,638

Weight (oz / g):

1.4 / 39

Length L (in. / mm):

1.38 / 35

Spacing S (in. / mm):

1.10 / 28

Thread:

M3

Compatible parts/devices:

SOT-227

Surface Area (in2 / mm2):

60 / 38,717

Weight (oz / g):

2.2 / 62

Length L (in. / mm):

2.17 / 55

Spacing S (in. / mm):

1.18 / 30

Thread:

M3.5

 

* Note: Anodized parts are standard; degreased available on request.

Characteristics

M3.5 Screw

Use as needed. Ohmite TGH-TP1 for SOT-227 devices

AL 6063-T5

Black anodized or degreased

209 W/m-K

 

Thermal Performance

VX Series thermal performance chart

Power dissipation is 100W, single device

Heat load area 17 x 28mm metal tab

Ducted air flow

VX Series thermal performance chart

Max. case temp. on SOT227 (hot spot) is 69°C @ 5.08m/s (1000 fpm) ducted air flow.

 

PCB Mounting Examples

VX Series pcb mounting examples chart

Heat sink assembly with a resistor and thermal interface material fastened with two M3.5 screws.

VX Series heatsink image with resistor

With Ohmite TGHE resistor.

Dimensions

VX Series dimensions

Ordering Information

VX Series Ordering info

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