3-Pin PC Fan Connector
Standard 3-pin motherboard fan connector with 0.1 inch (2.54mm) pitch for 12V DC cooling fans with Ground, +12V Power, and Tachometer speed feedback signal.
Aliase:3-Pin Fan, 3-Pin CPU Fan, PC Fan 3-Pin, Molex 2510 3-Pin, 12V Fan Connector
3-Pin Fan Connector Pinout
3 Pins
Pinout Table3
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | GND | Ground | Power & Signal Ground (Black Wire) |
| 2 | +12V | Power | +12V DC Power Supply (Red Wire) |
| 3 | TACH | Digital | Tachometer Fan Speed Signal (Open-collector, 2 pulses/rev) (Yellow Wire) |