Home | Power Supplies| 1U Redundant| Sure Star 1U 300W PSU Module Model # M1I-300J1

Sure Star 1U 300W PSU Module Model # M1I-300J1

My Pc Case
Sure Star 1U 300W PSU Module Model # M1I-300J1
My Pc Case





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My Pc Case
My Pc Case

The M1I-300J1 is a replacement module that is specially designed for the R1J-300I1H2A0. This module can support power up to 300 Watts and has 1 thermal speed control fan in the front.

Input Ratings -

  • Input Voltage: 100~240VAC +/-10% / 47 ~ 63Hz
  • Input Current: 4.0A(RMS) for 115VAC, 2.0A(RMS) for 230VAC.
  • Inrush Current: 35A Max. for 115VAC Per Module, 70A Max. for 230VAC Per Module

Specifications -

Output Voltage Min. load Max. load Regulation LOAD LINE Output Ripple &
Noise Max.(p-p)
+5V 1A 20A 5% 1% 60mV
+3.3V 1A 20A 5% 1% 60mV
+12V 2A 24A 5% 1% 120mV
-12V 0A 0.5A 5% 1% 120mV
+5VSB 0.5A 2A 5% 1% 60mV


- Thermal Protection -
The power supply shall go into thermal protection as the case temperature exceeds 86ºC(±5ºC)limit. 
The output shall recover only when the temperature becomes normal and AC power is turned on again

Over Power: 110% ~ 150% MAX.
Over Voltage: +3.3V→3.7V~4.1V ,+5V→5.7V~6.5V,+12V→13.2V~14.4V
Short Circuit: Shutdown And Latch Re-power ON

Power Good Signal: Delay 200ms~500ms, TTL compatible signal
Power Fail Delay: >1msec. ,TTL compatible signal
PS-ON: Power off: PS-ON = 2V min.; Power on: PS-ON = 0.8V max.
TTL Signal: Normal(Power Supply On): Output Condition =3V Min. , 5.25VMax. 
Failure(Power Supply Off): Output Condition =0V Min. ,1VMax.
Current Sharing: ON +3.3V,+5V,+12V

Operating Temperature: 0°C to 45 °C
Storage Temperature: -20°C to +70°C
Operating Humidity: 5% to 95%,non-condensing
Storage Humidity: 20% to 90%,non-condensing

Safety & EMI/RFI:
Safety Standards: TO MEET CUL UL, TUV
Withstand Voltage: I/P-O/P:1.5KVAC FOR 1 minute. I/P-FG:1.5KVAC For 1 minute
Isolation Resistance: I/P-O/P,I/P-FG,O/P-FG: 500VDC , 50M ohms min.

MTBF: Using MIL - HDBK -217F the calculated MTBF >100,000 hours at 25°C
Coolings: 40x40x20mm x 2pcs DC fans

- Features -

  • 1U Size Design
  • Hot-Swappable & Power Sharing capability
  • Full Range AC input
  • Low Ripple Noise
  • High Power Density
  • High Performance industrial Fan
  • High Reliablity

*For additional information visit the manufacturer's website

My Pc Case