TFX12V Power Supply Design Guide

Thin Form Factor with 12-V Connector

Version 2.0

3.7.1TFX12V Main Power Connector

Connector: MOLEX* 39-01-2240or equivalent

(Mating motherboard connector is Molex 44206-0007 or equivalent)

18 AWG is suggested for all wires except for the +3.3 V supply and sense return wires combined into pin 11 (22 AWG).

Pin

1

2

3

4

5

6

7

8

9

10

11

12

Signal

+3.3 VDC

+3.3 VDC

COM

+5 VDC

COM

+5 VDC

COM

PWR_OK

+5 VSB

+12 V1DC

+12 V1DC

+3.3 VDC

Color

Orange

Orange

Black

Red

Black

Red

Black

Gray

Purple

Yellow

Yellow

Orange

Pin

13

[13]

14

15

16

17

18

19

20

21

22

23

24

Signal

+3.3 VDC

[+3.3 V default sense]

-12 VDC

COM

PS_ON#

COM

COM

COM

Reserved

+5 VDC

+5 VDC

+5 VDC

COM

Color

Orange [Brown]

Blue

Black

Green

Black

Black

Black

NC

Red

Red

Red

Black

3.7.2Peripheral Connector(s)

Connector: AMP* 1-480424-0 or MOLEX* 8981-04P or equivalent.

Contacts: AMP 61314-1 or equivalent.

Pin

Signal

18 AWG Wire

 

 

 

1

+12 V1DC

Yellow

 

 

 

2

COM

Black

 

 

 

3

COM

Black

 

 

 

4

+5 VDC

Red

 

 

 

3.7.3Floppy Drive Connector

Connector: AMP* 171822-4 or equivalent

Pin

1

2

3

4

Signal

+5 VDC

COM

COM

+12 V1DC

20 AWG Wire

Red

Black

Black

Yellow

Page 33
Image 33
Intel manual 1 TFX12V Main Power Connector, Peripheral Connectors, Floppy Drive Connector

TFX12V specifications

The Intel TFX12V is a power supply unit (PSU) designed specifically for compact desktop systems, catering to the needs of PC builders who prioritize space-efficient components without compromising on performance. Intel's TFX12V specification defines the form factor and power delivery standards, ensuring compatibility across a wide range of motherboards and peripherals.

One of the main features of the TFX12V is its slimline design. Measuring 85mm in height, 65mm in width, and 150mm in depth, this PSU fits into smaller case designs, making it ideal for compact desktops or media centers. Despite its small size, the TFX12V delivers robust power, typically ranging from 300W to 400W. This output is sufficient for everyday computing tasks, light gaming, and media consumption, allowing users to create space-saving systems without sacrificing functionality.

The TFX12V power supply adheres to the ATX power supply standard, featuring a 24-pin ATX connector, which ensures broad compatibility with modern motherboards. Additionally, the TFX12V includes connections for other crucial components, such as the 4-pin CPU power connector and multiple SATA and PCIe connectors, enabling the build of systems with modern graphics cards and storage solutions.

The efficiency of the TFX12V is another significant aspect. Many models are designed to meet or exceed the 80 PLUS certification, which indicates at least 80% efficiency at 20%, 50%, and 100% loads. High efficiency not only reduces energy consumption but also minimizes heat generation, leading to quieter operation due to lower fan speeds.

In terms of safety and reliability, TFX12V power supplies come equipped with standard protections against over-voltage, under-voltage, and short-circuits. These safety features safeguard the valuable components of a PC from potential power surges or failures.

Furthermore, the product lifecycle of the Intel TFX12V often ensures access to advanced technologies, including pulsating load regulation and enhanced thermal management technologies. These features contribute to a stable power output and improved performance, even under load.

In summary, the Intel TFX12V power supply unit combines compactness, efficiency, and reliability, making it an attractive choice for users looking to build a small form-factor PC without compromising on essential features or quality. With its robust performance and modern technology, it meets the demands of today's computing needs effectively.