CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
SeaSonic Prime Connect 750W
Serial NumberR1912AA1A4300060
Lab IDSS75001620
  • Report: 20PS1620A
  • Receipt Date: Mar 5, 2020
  • Test Date: Mar 11, 2020
  • Report Date: Mar 13, 2020
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandSeasonic
Manufacturer (OEM)Seasonic
SeriesPrime Connect
Model NumberSSR-750FA
Serial NumberR1912AA1A4300060
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(HA13525H12F-Z)
Semi-Passive Operation✓ (selectable)
Cable DesignSemi Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps20206230.3
Watts100744153.6
Total Max. Power (W)750

Test Equipment

Electronic Loads Chroma 63601-5 x4
Chroma 63600-2 x2
63640-80-80 x20
63610-80-20 x2
AC Sources Chroma 6530, Keysight AC6804B
Power Analyzers N4L PPA1530 x2
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Tachometer UNI-T UT372 x2
Digital Multimeter Keysight U1273AX, Fluke 289, Keithley 2015 - THD
UPS CyberPower OLS3000E 3kVA x2
Transformer 3kVA x2
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Native Cables
Description Cable Count Connector Count (Total) Gauge In Cable Caps
Main connector 20 pin and 10 pin sense (220mm) 1 1 16-24AWG No
Modular Cables
Description Cable Count Connector Count (Total) Gauge Gauge
ATX connector 20+4 pin (210mm) 1 1 18AWG No
4+4 pin EPS12V (240mm) 2 2 16AWG No
6+2 pin PCIe (280mm) 2 2 16-18AWG No
6+2 pin PCIe (320mm) 2 2 16-18AWG No
SATA (300mm+70mm+70mm+70mm) 1 4 18AWG No
SATA (200mm+40mm) 1 2 18AWG No
SATA (120mm+110mm) 1 2 18AWG No
4 pin Molex (450mm+120mm+120mm) 1 3 18AWG No
4 pin Molex to SATA 3.3 Adapter (150mm+150mm) 1 2 18AWG No
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data -
Manufacturer (OEM) Seasonic
PCB Type Double Sided
Primary Side -
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x Discharge IC
Inrush Protection NTC Thermistor (MF72 5D-20L) & Relay
Bridge Rectifier(s) 2x GBU1508 (800V, 15A @ 100°C)
APFC MOSFETs 2x Infineon IPA50R190CE (550V, 15.7A @ 100°C, 0.19Ohm)
APFC Boost Diode 1x STMicroelectronics STTH8S06D (600V, 8A @ 25°C)
Hold-up Cap(s) 1x Hitachi (400V, 820uF, 2,000h @ 105°C, HU)
Main Switchers 4x Great Power GPT10N50AD (500V, 9.7A, 0.7Ohm)
APFC Controller Champion CM6500UNX
Resonant Controller Champion CM6901T6X
Topology Primary side: Full-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side -
+12V MOSFETs 4x Nexperia PSMN2R6-40YS (40V, 100A @ 100°C, 5.3mOhm @ 175°C)
5V & 3.3V DC-DC Converters: 6x Nexperia PSMN4R0-30YLD (30V, 67A @ 100°C, 6.6mOhm @ 150°C)
PWM Controllers: ANPEC APW7159C
Filtering Capacitors Electrolytic: 7x Nippon Chemi-Con (4-10,000h @ 105°C, KY), 4x Nippon Chemi-Con (105°C, W), 2x Nippon Chemi-Con (1-5,000h @ 105°C, KZE)
Polymer: 28x FPCAP, 6x United Chemi-Con
Supervisor IC Weltrend WT7527V (OCP, OVP, UVP, SCP, PG)
Fan Model Hong Hua HA13525H12F-Z (135mm, 12V, 0.50A, 2,000rpm, Fluid Dynamic Bearing Fan)
5VSB Circuit -
Rectifier 1xMCC MBR1045ULPS SBR (45V, 10A @ 90°C)
Standby PWM Controller Excelliance MOS Corp EM8569

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)26.9
AC Loss to PWR_OK Hold Up Time (ms)22.5
PWR_OK Inactive to DC Loss Delay (ms)4.4

Vampire Power

Graphs

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing

Efficiency Graph

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

Noise Graph

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

Indicative Performance

Efficiency under high ambient temperature

INFO

The PSU`s efficiency under high ambient temperatures with 115V and 230V input. For this graph the results of the 10-110% load regulation table are used

5VSB Efficiency

INFO

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input

5VSB Efficiency (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231 68.750% 0.055
5.124V 0.336 115.15V
2 0.090A 0.461 73.291% 0.099
5.122V 0.629 115.15V
3 0.550A 2.811 77.077% 0.340
5.110V 3.647 115.14V
4 1.000A 5.100 76.669% 0.413
5.099V 6.652 115.14V
5 1.500A 7.633 76.891% 0.451
5.088V 9.927 115.14V
6 3.000A 15.137 74.394% 0.505
5.045V 20.347 115.12V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231 62.264% 0.018
5.123V 0.371 230.33V
2 0.090A 0.461 68.601% 0.033
5.121V 0.672 230.33V
3 0.550A 2.811 75.626% 0.160
5.109V 3.717 230.33V
4 1.000A 5.100 76.199% 0.243
5.098V 6.693 230.33V
5 1.500A 7.632 76.312% 0.300
5.087V 10.001 230.33V
6 3.000A 15.153 76.069% 0.380
5.051V 19.920 230.33V

Supplementary Tests (For Reference)

Typical Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 4.424A 1.989A 1.982A 0.983A 74.957 85.471% 0 <6.0 45.55°C 0.968
12.059V 5.030V 3.330V 5.090V 87.699 40.57°C 115.14V
2 9.880A 2.985A 2.974A 1.184A 150.026 89.140% 0 <6.0 46.54°C 0.981
12.057V 5.027V 3.327V 5.070V 168.304 41.24°C 115.11V
3 15.677A 3.484A 3.474A 1.385A 225.025 90.141% 582 19.2 41.65°C 0.987
12.054V 5.024V 3.325V 5.053V 249.638 47.43°C 115.11V
4 21.475A 3.984A 3.974A 1.589A 300.031 90.068% 698 22.8 41.96°C 0.988
12.052V 5.022V 3.323V 5.035V 333.117 48.23°C 115.11V
5 26.892A 4.984A 4.969A 1.794A 374.529 89.751% 872 29.3 42.61°C 0.988
12.049V 5.018V 3.320V 5.017V 417.297 49.38°C 115.10V
6 32.350A 5.984A 5.970A 2.000A 449.457 89.244% 1086 36.3 42.72°C 0.988
12.045V 5.014V 3.317V 4.997V 503.626 50.03°C 115.09V
7 37.842A 6.983A 6.972A 2.210A 524.792 88.532% 1495 44.4 43.14°C 0.988
12.042V 5.011V 3.314V 4.978V 592.774 51.27°C 115.08V
8 43.334A 7.991A 7.976A 2.421A 600.112 87.773% 1701 46.9 43.72°C 0.989
12.039V 5.007V 3.310V 4.958V 683.712 52.62°C 115.07V
9 49.199A 8.494A 8.464A 2.428A 674.613 87.075% 1934 50.7 45.01°C 0.990
12.035V 5.004V 3.308V 4.943V 774.747 54.67°C 115.07V
10 54.861A 8.997A 8.983A 3.054A 749.847 86.308% 1941 51.1 45.21°C 0.991
12.033V 5.002V 3.306V 4.913V 868.799 55.62°C 115.06V
11 61.122A 8.999A 8.984A 3.063A 825.067 85.553% 1949 51.5 46.50°C 0.992
12.031V 5.001V 3.306V 4.898V 964.397 57.39°C 115.05V
CL1 0.116A 11.999A 12.000A 0.000A 101.052 84.152% 584 19.2 42.42°C 0.977
12.049V 5.006V 3.299V 5.097V 120.082 49.15°C 115.12V
CL2 62.005A 1.000A 1.001A 1.000A 759.994 86.960% 1943 51.2 45.78°C 0.991
12.042V 5.023V 3.333V 4.971V 873.959 55.99°C 115.04V

The results above are not used in the certification process

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 4.425A 1.988A 1.981A 0.983A 74.961 86.357% 0 <6.0 45.19°C 0.822
12.059V 5.030V 3.331V 5.089V 86.804 40.19°C 230.35V
2 9.881A 2.985A 2.976A 1.184A 150.036 90.386% 570 18.9 41.05°C 0.913
12.056V 5.027V 3.327V 5.071V 165.994 46.34°C 230.34V
3 15.679A 3.485A 3.474A 1.386A 225.041 91.592% 554 18.3 41.90°C 0.944
12.053V 5.024V 3.325V 5.052V 245.700 47.76°C 230.34V
4 21.478A 3.984A 3.974A 1.590A 300.052 91.947% 685 22.4 42.41°C 0.959
12.051V 5.022V 3.324V 5.034V 326.333 48.60°C 230.34V
5 26.901A 4.982A 4.970A 1.795A 374.606 91.882% 890 29.7 42.59°C 0.967
12.048V 5.018V 3.320V 5.015V 407.702 49.50°C 230.34V
6 32.358A 5.986A 5.971A 2.000A 449.537 91.573% 1172 38.4 43.00°C 0.973
12.044V 5.015V 3.317V 4.996V 490.905 50.81°C 230.33V
7 37.851A 6.987A 6.974A 2.211A 524.882 91.190% 1355 40.5 43.17°C 0.976
12.041V 5.011V 3.313V 4.976V 575.589 51.39°C 230.31V
8 43.345A 7.991A 7.975A 2.422A 600.199 90.693% 1733 47.4 43.32°C 0.979
12.038V 5.007V 3.310V 4.956V 661.793 52.33°C 230.31V
9 49.205A 8.495A 8.464A 2.429A 674.701 90.272% 1927 50.5 44.44°C 0.981
12.035V 5.005V 3.308V 4.941V 747.406 54.19°C 230.31V
10 54.873A 8.998A 8.984A 3.055A 749.944 89.762% 1942 51.1 45.64°C 0.982
12.032V 5.002V 3.306V 4.911V 835.478 55.81°C 230.30V
11 61.135A 9.000A 8.986A 3.065A 825.169 89.306% 1949 51.5 46.63°C 0.983
12.030V 5.001V 3.305V 4.896V 923.979 57.44°C 230.30V
CL1 0.117A 12.000A 11.998A 0.000A 101.063 85.200% 615 20.3 42.82°C 0.873
12.048V 5.006V 3.299V 5.096V 118.619 49.01°C 230.35V
CL2 62.015A 1.000A 0.999A 1.000A 760.046 90.406% 1942 51.1 45.24°C 0.982
12.041V 5.023V 3.333V 4.970V 840.705 55.97°C 230.30V

The results above are not used in the certification process

Light Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) PF/AC Volts
1 1.231A 0.496A 0.494A 0.195A 19.992 69.371% 0 <6.0 0.860
12.062V 5.037V 3.337V 5.117V 28.819 115.14V
2 2.461A 0.993A 0.989A 0.392A 39.980 79.764% 0 <6.0 0.935
12.061V 5.034V 3.334V 5.109V 50.123 115.14V
3 3.694A 1.492A 1.486A 0.588A 60.008 83.966% 0 <6.0 0.958
12.060V 5.032V 3.332V 5.101V 71.467 115.14V
4 4.922A 1.989A 1.980A 0.786A 79.957 86.147% 0 <6.0 0.970
12.059V 5.030V 3.331V 5.093V 92.815 115.14V

The results above are not used in the certification process

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) PF/AC Volts
1 1.231A 0.495A 0.495A 0.195A 19.991 69.536% 0 <6.0 0.547
12.062V 5.037V 3.337V 5.117V 28.749 230.34V
2 2.461A 0.993A 0.989A 0.392A 39.980 80.344% 0 <6.0 0.691
12.061V 5.033V 3.334V 5.109V 49.761 230.34V
3 3.695A 1.491A 1.486A 0.588A 60.010 84.797% 0 <6.0 0.778
12.059V 5.032V 3.332V 5.101V 70.769 230.34V
4 4.922A 1.989A 1.981A 0.786A 79.959 87.159% 0 <6.0 0.831
12.059V 5.030V 3.330V 5.093V 91.739 230.35V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load8.40mV7.50mV15.10mV5.10mVPass
20% Load12.20mV7.60mV15.70mV5.30mVPass
30% Load14.20mV7.60mV15.80mV5.30mVPass
40% Load15.40mV7.60mV15.50mV5.60mVPass
50% Load12.30mV7.80mV15.80mV6.00mVPass
60% Load11.00mV8.20mV17.00mV6.00mVPass
70% Load12.00mV8.50mV16.20mV6.10mVPass
80% Load12.70mV9.20mV17.00mV8.80mVPass
90% Load13.40mV9.40mV17.00mV9.20mVPass
100% Load20.80mV10.10mV18.00mV9.50mVPass
110% Load22.40mV10.40mV20.40mV9.50mVPass
Crossload119.40mV11.00mV19.00mV7.90mVPass
Crossload218.00mV8.40mV15.90mV7.80mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load8.30mV7.30mV15.60mV5.10mVPass
20% Load11.80mV7.70mV16.70mV6.00mVPass
30% Load14.60mV8.10mV15.90mV5.40mVPass
40% Load15.40mV7.40mV16.20mV5.50mVPass
50% Load12.70mV8.10mV16.00mV5.90mVPass
60% Load11.10mV8.50mV16.50mV6.00mVPass
70% Load11.20mV8.80mV17.30mV6.20mVPass
80% Load12.30mV9.10mV17.10mV6.80mVPass
90% Load12.70mV9.30mV18.20mV7.20mVPass
100% Load20.90mV10.20mV19.50mV7.70mVPass
110% Load22.60mV10.30mV18.10mV7.90mVPass
Crossload118.70mV10.40mV19.20mV7.30mVPass
Crossload217.50mV8.40mV17.80mV6.90mVPass

The results above are not used in the certification process

SeaSonic Prime Connect 750W

Top side
Power specifications label
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient and silent power supplies are promoted
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com