70x15 Cooling Fan (Computer Fan), DC axial fan

A 70 mm square cooling fan, 15 mm thick, with 4.3 mm mounting holes 61.5 mm apart. It comes as simplified STEP files.

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

• Also searched as: 70x15 fan
• Model id: fans-dc-axial-70x15
• Standard: DC axial fan · size 70x15

Files

Part key	Simplified
fans-dc-axial-70x15	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
a	Frame side		70		70	nominal	L1
t	Frame thickness		15		15	nominal	L1
e	Mounting hole spacing		61.5		61.5	nominal	L1
dh	Mounting hole diameter		4.3		4.3	nominal	L1
k	Corner flange thickness		3		3	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-DCFAN-SZ-70x15.pdf.

The 70x15 cooling fan beside the 60x38 and the 80x15

The 70x15 is number 11 of the 18 DC axial fan cooling fans published here, listed from 25x10 to 120x38.

• Frame side (a): 70 mm on the 70x15 cooling fan, against 60 mm on the 60x38 and 80 mm on the 80x15.
• Frame thickness (t): 15 mm on the 70x15 cooling fan, against 38 mm on the 60x38 and 15.3 mm on the 80x15.
• Mounting hole spacing (e): 61.5 mm on the 70x15 cooling fan, against 50 mm on the 60x38 and 71.5 mm on the 80x15.
• Mounting hole diameter (dh): 4.3 mm on the 70x15 cooling fan, against 4.4 mm on the 60x38 and 4.3 mm on the 80x15.

Other sizes

• One size smaller: 60x38 Cooling Fan (Computer Fan), DC axial fan, 60 mm square, 38 mm thick.
• One size larger: 80x15 Cooling Fan (Computer Fan), DC axial fan, 80 mm square, 15.3 mm thick.

Documents

• CC-DCFAN-DS-70x15.pdf: 70x15 datasheet: values with levels, sources
• CC-DCFAN-SZ-70x15.pdf: 70x15 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

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

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