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July 21, 2017

24 volt DC Input PC ATX-12 Style Power Supplies 300 Watt

DC Input ATX style power supply, 24 volts input DC Input ATX-12 Style power supplies
12 volt input DC ATX power supplies for cars 24 volt input DC ATX power supplies 48 volt input DC ATX power supplies 120 volt input DC ATX power supplies
12 volt input DC ATX power supplies More 24 volt input DC ATX power supplies 48 volt DC input ATX Power Supplies 120VDC input ATX Power Supplies
These are industrial grade power supplies with 24 volt DC input. They are useful for applications where battery or solar power is available. These are regulated switching power converters.
Quantity Price
1 - 9 $220
10-99 $199


1. CE Marked
2. DC powered ATX 2.03 version 20 pin connector included (ATX-12V)
3. Remote ON/OFF
4. Built in EMI Filter
5. "Power Good" signal
6. Terminal strip for DC input with polarity protection
7. Click here for a -48VDC input ATX-12 power supply
8. DC 24 volt nominal, 18-32 VDC INPUT
9. Remote Sense for Main Output
10.100% ATE Test
11.100% Hi-pot Test
12.100% Burn-in
13.Warranty : One year

  Input Range Max
+3.3 V +5 V +12 V -5 V - 12 V +5 V SB
STC-24300 18-32 VDC, 24V nominal 300 W 21 A 40 A 20 A 1 A 1 A 2 A
Output Voltage Regulation Output Current Ripple & Noise
Line Cross 300W
Min. Max.
±5% ±1% ±5% 1.5A 35A 50mV
0.2A 15A 120mV
0A 21A 50mV
0A 1A 120mV
±8% 0A 2A 150mV
±5% 0A 2A 50mV

Total combined power on +3.3V & +5V

175 Watts

Total continuous output power

  • ATX 24 Pin x1: Molex29-01-2240 or equivalent
  • +12V(P4) 4 pin x1: Molex 39-01-2040 or equivalent
  • HDD, DVD 4 pin x8: Molex 8981-04P or equivalent
  • FDD 4 pin x1: AMP171822-4 or equivalent
  • Serial ATA x2: Molex 675820000 or equivalent
  • Process EPS 8 Pins x1 Molex 39-01-2080 or equivalent
current ATX connector assortment  
  For Pinout Diagram Click Here   


Cooling: Forced Air-cooling, 80x80x25 mm Fan x 1(With Two Ball Bearing)

Operating Temperature:0 ~+55

Operating Humidity:20%~85% RH. (Non condensing)

Storage Temperature:-20 ~+80

Storage Humidity:10%~90% RH. (Non condensing)

Operating Altitude:10M Below Sea level to Above Sea level 3000M


Input connector type20A/ 300V UL Approved 3-Pin Terminal

Input Current 20A/20A(max.) @Full Load & Low Line

Inrush Current Less than 10A Cold start @25 ambient



Efficiency 70% typical @24V DC Full Load Hold up time 16ms @Full Load & Normal input voltage Rise time 20ms Power Good SignalTTL Compatible signal, on delay 100~500ms, off delay 1ms min.

Short Circuit Protection (SCP)All output equipped with SCP (shutdown 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) +5V, +12V & +3.3V


MTBF (Mean Time Between Failure): 10,000 hours @max. Load, 24V DC & 25°C ambient

Safety Standards:Meet UL60950 and T EN60950 Safety Approved: EMI Compatibility (EMC) Standard:FCC Part 15 Class B, CISPER22 (EN55022) Class B (CE mark)

Dielectric WithstandInput to Output: 1500Vac for 1second, Input to Frame Ground: 1500Vac for 1second

Leakage Current<0.75mA @250Vac

Output Device Connector Specific:

ATX 20 Pin x 1 Molex39-01-2200

+12V(P4) 4 Pin x 1 Molex 39-01-2040

HDD, DVD 4 pin x 8 Molex 8981-04P

FDD 4 pin x 1 AMP171822-4

Standard Output Cable Length From Chassis:550 mm

Power Chassis Dimension:

150(W) x 140(H) x 86(H) mm

Net Weight:2 kgm

Gross Weight:2.1 kgm


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  1. 18 volt DC input ATX-12 power supply
  2. 20 volt DC input ATX-12 power supply
  3. 24 volt DC input ATX-12 power supply

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