SFX 12V DC Input Industrial PC Power Supply


SFX 12V DC Input Industrial PC Power Supply

Series

Model No.

Output Watts

Input Voltage

Input Voltage range

Polarity reverse protection

12

STC-12370SFX

370W continuous

±12V DC

±9V ~ ±17V DC

No

12

STC-12300SFX
* EOL 31 MARCH 2023

300W continuous

±12V DC

±9V ~ ±17V DC

No

ENVIRONMENTAL CONDITIONS: 

● Cooling: Forced Air-cooling,

60x60x25 mm Fan x 1 (With Two Ball Bearing)

● Fan brand:

DELTA, NMB, SUNON, SUNON IP68 (for H version).
Specifications are equivalent
● Operating Temperature: 0°C ~ +50°C (-20°C~+60°C, H version is optional) Full Load
● Operating Humidity: 20%~85% RH. (Non condensing) (95% RH Optional)
● Storage Temperature -20°C~+80°C
● Storage Humidity:
10%~90% RH. (Non condensing)
● Operating Altitude 10M Below Sea level and 3000M Above Sea level


DC INPUT CHARACTERISTICS:
● Input connector type 30A/300V UL Approved Gold Plated Brass 1.2t/2-Pin Terminal
● Input Current 
29A/55.5A(370W23.8A/45A(300W@Full Load High Line & Low Line
● Inrush Current Less than 50A Cold start @25°C ambient


DC OUTPUT CHARACTERISTICS:

 

Output Voltage

Regulation

Output Current

Ripple & Noise

Load

Line

Cross

370W

300W

Min

Max

Min

Max

+5V

±5%

±1%

±5%

1.5A

30A

1A

28A

50mV

+12V

0.2A

25A

0.5A

20A

120mV

+3.3V

0A

22A

0A

16A

50mV

-12V

±8%

0A

0.3A

0A

1A

120mV

+5VSB

±5%

0A

2.5A

0A

3A

50mV

Maximum continuous combined load on +3.3 V & +5V DC output shall not exceed

180

180

Watt

Maximum continuous combined load on +3.3 V & +5V & 12V DC output shall not exceed

348

278

Maximum continuous total DC output power shall not exceed

370

300

OVERALL PERFORMANCE:   
● Efficiency 65% typical @12V DC Full Load
● Power Good Signal   TTL Compatible signal, on delay 100~500ms, off delay 1ms min
● Short Circuit Protection (SCP)
All output equipped with SCP (shutdows and latch off)
● Over Power Protection (OPP) Peak power protected to 130%±10% of continuous rated power

(shutdown and latch off)
● Over Voltage Protection (OVP) +3.3V@4.5V, +5V@6V, +12V@15.6V


RELIABILITY:
● MTBF (Mean Time Between Failure): 100 000 hours @max. Load, 12V DC & 25°C ambient
● Safety Standards Meet IEC60950-1, EN60950-1
● Safety Approved
● EMI Compatibility (EMC) Standard EN55032:2015/AC:2016, CISPR32:2015, EN6100-3-2:2014,

EN6100-3-3:2013, EN55024:2010 +A1:2015


ISOLATION:

● INPUT and OUTPUT are isolated by transformers and optical couplers
● Dielectric Withstand: INPUT to OUTPUT: 500V DC for 60 seconds
● Dielectric Withstand: INPUT to FRAME GROUND: 500V DC for 60 seconds
● Leakage Current: <0.005μA @ 12V DC


Output Connector specific:
● ATX 24 Pin x 1: Molex 29-01-2240 or equivalent
● ATX 12V(P4) 4 Pin x 1: Molex 39-01-2040 or equivalent
● HDD, DVD 4 pin x 2: Molex 8981-04P or equivalent
● FDD 4 pin x 1: AMP171822-4 or equivalent
● Serial ATA x 2:
Molex 675820000 or equivalent
● CPU EPS 8 pin x 1: Molex 39-01-2080 or equivalent
● PCIe 6+ 2 pin x 1 Molex 39-01-2080 or equivalent


Standard Output Cable Length:
● 270 mm / 10.62 inches

PCB specific: 
● 2 layer 1.6mm / STC-12300SFX
● 6 layer 1.6mm / STC-12370SFX
● Copper: 3 Oz each layer
● Material: FR4 
● PCB material origin: Taiwan

Power chassis Dimension:

● 130(L) x 125(W) x 64(H) mm /
5.11(W) x 4.92(W) x 2.52(H) Inches

 Screw hole:
● Front Panel with 4 screw holes
● Rear Panel bracket with 2 screw holes

Net Weight:
● 1.56 kg / 3.438 lbs

Gross Weight:

● 2~2.4 kg / 4.4~5.29lbs

Packing Detail

● 8 pcs / carton
● GW 18kg

Measurement of Carton
● 46 x 41 x 29 cm / 1.93 Cuft

DOWNLOAD_specification_SFX_STC-12370SFX.pdf
DOWNLOAD_CHASSIS&CABLE_STC-DTD-SFX_20201012.pdf
DOWNLOAD_CHASSIS_SFX-150 Dual input terminals-20210401.pdf