80x38 Cooling Fan (Computer Fan), DC axial fan

The 80x38 cooling fan is 38 mm thick on an 80 mm square frame; it mounts by 4.3 mm mounting holes 71.5 mm apart. Here as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 80x38 fan
• Model id: fans-dc-axial-80x38
• Standard: DC axial fan · size 80x38

Files

Part key	Simplified
fans-dc-axial-80x38	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
a	Frame side		80		80	nominal	L1
t	Frame thickness		38		38	nominal	L1
e	Mounting hole spacing		71.5		71.5	nominal	L1
dh	Mounting hole diameter		4.3		4.3	nominal	L1
k	Corner flange thickness		4		4	nominal	L1

Drawing

As a PDF: CC-DCFAN-SZ-80x38.pdf.

From the maker's data sheet

As written on the Mechatronics data sheet for this frame (mechatronics-dc-axial), one of the sheets this size's dimensions come from: the series, its models and features.

• Series: MR8038
• Models: MR8038S
• Operating Voltage: 12 or 24 VDC
• Bearing option: ball bearing or sleeve
• Air Flow: air exhaust over struts
• Features: soft start, polarity protection, auto-restart
• Options: tachometer output or locked rotor alarm signal; PWM speed control

The 80x38 cooling fan beside the 80x25 and the 92x25

The 80x38 is number 14 of the 18 DC axial fan cooling fans published here, listed from 25x10 to 120x38.

• Frame side (a): 80 mm on the 80x38 cooling fan, against 80 mm on the 80x25 and 92 mm on the 92x25.
• Frame thickness (t): 38 mm on the 80x38 cooling fan, against 25.4 mm on the 80x25 and 25.4 mm on the 92x25.
• Mounting hole spacing (e): 71.5 mm on the 80x38 cooling fan, against 71.5 mm on the 80x25 and 82.5 mm on the 92x25.
• Mounting hole diameter (dh): 4.3 mm on the 80x38 cooling fan, against 4.5 mm on the 80x25 and 4.3 mm on the 92x25.
• Corner flange thickness (k): 4 mm on the 80x38 cooling fan, the same on the 92x25.

Other sizes

• One size smaller: 80x25 Cooling Fan (Computer Fan), DC axial fan, 80 mm square, 25.4 mm thick.
• One size larger: 92x25 Cooling Fan (Computer Fan), DC axial fan, 92 mm square, 25.4 mm thick.

Documents

• CC-DCFAN-DS-80x38.pdf: 80x38 datasheet: values with levels, sources
• CC-DCFAN-SZ-80x38.pdf: 80x38 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

mechatronics-dc-axial, sunon-dc-fan-255e. Full citations: the method page and this size's datasheet.

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