Fans, Blowers, Thermal Management

628-40ABT4E

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OMNIDIRECTIONAL PIN FIN HEAT SINK FOR 45MM BGA ROHS COMPLIANT: YES

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Fans, Blowers, Thermal Management

Active

OMNIDIRECTIONAL PIN FIN HEAT SINK FOR 45MM BGA ROHS COMPLIANT: YES

Technical Specifications

Parameters and characteristics for this part

Specification	628-40ABT4E

Attachment Method	Thermal Tape, Adhesive (Included)
Fin Height [z]	4 in
Fin Height [z]	101.6 mm
Length	1.75 in
Length	44.45 mm
Material	Aluminum
Material Finish	Black Anodized
Package Cooled	LGA, CPU, ASIC, BGA
Power Dissipation @ Temperature Rise	30 °C, 2.5 W
Shape	Pin Fins, Square
Thermal Resistance @ Forced Air Flow	4 °C/W
Type	Top Mount
Width [x]	1.7 in
Width [x]	43.18 mm

Part	Power Dissipation @ Temperature Rise	Length	Length	Material	Width [x]	Width [x]	Type	Fin Height [z]	Fin Height [z]	Attachment Method	Material Finish	Shape	Package Cooled	Thermal Resistance @ Forced Air Flow
Wakefield Thermal Solutions 628-40ABT4E	2.5 W 30 °C	1.75 in	44.45 mm	Aluminum	1.7 in	43.18 mm	Top Mount	4 in	101.6 mm	Thermal Tape Adhesive (Included)	Black Anodized	Pin Fins Square	ASIC BGA CPU LGA	4 °C/W
Wakefield Thermal Solutions 628-40ABT3	2.5 W 30 °C	1.75 in	44.45 mm	Aluminum	1.7 in	43.18 mm	Top Mount	4 in	101.6 mm	Thermal Tape Adhesive (Included)	Black Anodized	Pin Fins Square	ASIC BGA CPU LGA	4 °C/W
Wakefield Thermal Solutions 628-40AB	2.5 W 30 °C	1.75 in	44.45 mm	Aluminum	1.7 in	43.18 mm	Top Mount	0.4 in	10.16 mm	Thermal Tape Adhesive	Black Anodized	Pin Fins Square	ASIC BGA CPU LGA	4 °C/W
Wakefield Thermal Solutions 628-40AB	2.5 W 30 °C	1.75 in	44.45 mm	Aluminum	1.7 in	43.18 mm	Top Mount	0.4 in	10.16 mm	Thermal Tape Adhesive	Black Anodized	Pin Fins Square	ASIC BGA CPU LGA	4 °C/W
Wakefield Thermal Solutions 628-40ABT4E	2.5 W 30 °C	1.75 in	44.45 mm	Aluminum	1.7 in	43.18 mm	Top Mount	4 in	101.6 mm	Thermal Tape Adhesive (Included)	Black Anodized	Pin Fins Square	ASIC BGA CPU LGA	4 °C/W
Wakefield Thermal Solutions 628-40ABT3	2.5 W 30 °C	1.75 in	44.45 mm	Aluminum	1.7 in	43.18 mm	Top Mount	4 in	101.6 mm	Thermal Tape Adhesive (Included)	Black Anodized	Pin Fins Square	ASIC BGA CPU LGA	4 °C/W

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

Heat Sink Assorted (BGA, LGA, CPU, ASIC...) Aluminum 2.5W @ 30°C Top Mount

Technical documentation and resources