FSP300-701US is an industrial level of switching power supply. The power supply comes to offer the total power capacity up to 300 Watts, and uses unique active PFC (Power Factor Correction) circuit design with its high-load electrical components, makes it to be perfectly used in an industrial environment. In addition, with its full range of input and output electrical features, the power supply is ideally the best choice for server, workstation, communication or any other automation applications to use. The product also complies with the latest safety and EMC standards, which is perfectly to meet various regulations worldwide.


For standard, advanced server, NAS, storage and industrial power system.


  • 80 Plus Gold
  • Low Ripple & Noise
  • Output over voltage protection
  • Short circuit protection on all outputs
  • Resettable power shut down
  • INTERNAL 4 cm fan
  • Dual +12V output (+12V/1,+12V/2)
  • -5V is included
  • 100% burn-in under high ambient temperature(50)
  • Vacuum-impregnated transformer
  • MTBF:100K hours at 25
  • 100% Hi-pot tested
  • Line input fuse protection


Model Name





190mm (L) x 100 mm (W) x 40.5mm (H)

Product Highlight

Efficiency Level

80 Plus Gold



General Specification


92% 230VAC

Voltage Regulation

+3.3V, +12V, +5V, +5SB: 5%

-12V, -5V: 10%

Input Electrical Specification

Input Frequency

47 ~ 63 Hz

Input Current

[email protected] 4.0 Amps-rms maximum

[email protected] 2.0 Amps-rms maximum

Output Specification

Hold-up time

115V/60Hz 16mSec. [email protected]% Load, 

230V/50Hz 16mSec. [email protected]% Load

Ouput Voltage Regulation

+3.3Vdc output : +3.7 Vdc minimum, + 4.8Vdc maximum

+5Vdc output : +5.7 Vdc minimum, + 7Vdc maximum

+12Vdc output : +13.3 Vdc minimum, + 16Vdc maximum

Ripple & Noise

115V-rms/230V-rms 5V 20ms Maximum

115V-rms/230V-rms 12V 20ms Maximum

Over current protection

3.3V:50mV p-p

5V:50mV p-p

12V1:120mV p-p

12V2:120mV p-p

-12V:120mV p-p

5Vsb:50mV p-p

-5V:100mV p-p

Environmental Requirement

Temperature Range

Operating : 0 to +50 DegreeC

Storage :-20 to +80 DegreeC


Operating : 85% to % RH, Non-condensing

Storage : 95% to % RH, Non-condensing


The power supply have a minimum predicted MTBF(MIL-HDBK-217) of 100,000 hours of continuous operation at 25, maximum-output load, and nominal AC inout voltage



Output Voltage and Current Rating

+3.3V +5V +12V1 +12V2 -12V -5V +5Vsb
Ripple-Noise(R-P) mV 50mV 50mV 120mV 120mV 120mV 100mV 50mV
Regulation Load % 5% 5% 5% 5% 10% 10% 5%
Output Max.(A) 14A 16A 16A 16A 0.5A 0.2A 3A
Output Min.(A) 0.3A 0.3A 0.5A 0.5A 0A 0A 0A


  • 5V, 3.3V, 12V, -12V Will have the regulation to 10% when all load take off.
  • The +3.3V and +5V total output shall not exceed 105 watts.
  • The total output shall not exceed 300 watts
  • -5V is optional

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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