CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Seasonic Focus Plus Gold 850W (#2)
Serial NumberR1705AA135890205
Lab ID394
  • Report:
  • Receipt Date: May 18, 2018
  • Test Date: May 27, 2018
  • Report Date: May 30, 2018
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandSeasonic
Manufacturer (OEM)Seasonic
SeriesFOCUS Plus Gold
Model NumberSSR-850FX
Serial NumberR1705AA135890205
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 70 3 0.3
Watts 100 840 15 3.6
Total Max. Power (W) 850

Test Equipment

Electronic Loads Chroma 6314A x2
63123A x6
63102A
63101A		 Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, Chroma 61604
Power Analyzers N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444 & 3424, Keysight DSOX3024A, Rigol DS2072A
Voltmeter Keithley 2015 THD 6.5 Digit
Sound Analyzer Bruel & Kjaer 2250-L G4
Microphone Bruel & Kjaer Type 4955-A, Bruel & Kjaer Type 4189
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Modular Cables
Description Cable Count Connector Count (Total) Gauge
ATX connector 20+4 pin (610mm) 1 1 18-22AWG
4+4 pin EPS12V (655mm) 2 2 18AWG
6+2 pin PCIe (680mm+80mm) 3 6 18AWG
SATA (460mm+115mm+115mm+115mm) 2 8 18AWG
SATA (460mm+115mm) 1 2 18AWG
4 pin Molex (460mm+120mm+120mm) 1 3 18AWG
4 pin Molex (360mm+120mm) 1 2 18AWG
FDD Adapter (+105mm) 1 1 22AWG

Parts Description

General Data
Manufacturer (OEM) Seasonic
Platform Model FX
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor & Diode
Bridge Rectifier(s) 2x GBU1506 (600V, 15A)
APFC MOSFETS 2x Infineon IPW50R190CE (550V, 15.7A @ 100°C, 0.19Ohm)
APFC Boost Diode 1x STMicroelectronics STTH8S06D (600V, 8A @ 125°C)
Hold-up Cap(s) 1x Nippon Chemi-Con (400V, 650uF, 2000h @ 105°C, CE)
Main Switchers 4x UTC GPT13N50DG (500V, 13A @ 100°C, 0.49Ohm)
APFC Controller Champion CM6500UNX
Resonant Controller Champion CM6901T6X
Topology Primary side: Full-Bridge & LLC Resonant Controller
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETS 4x Nexperia PSMN2R6-40YS (40V, 100A @ 25°C, 2.8mOhm)
5V & 3.3V DC-DC Converters: 6x Infineon BSC0906NS (30V, 40A @ 100°C, 4.5mOhm)
PWM Controller: APW7159
Filtering Capacitors Electrolytics: Chemi-Con (1-5,000 @ 105°C, KZE), Chemi-Con (4-10,000 @ 105°C, KY), W
Polymers: Chemi-Con
Supervisor IC Weltrend WT7527V (OVP, UVP, OCP, SCP, PG)
Fan Model Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, 2200 RPM, Fluid Dynamic Bearing)
5VSB Circuit
Standby PWM Controller Excelliance 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)25
AC Loss to PWR_OK Hold Up Time (ms)22.1
PWR_OK Inactive to DC Loss Delay (ms)2.9

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 0.044A 0.225 67.365% 0.032
5.106V 0.334 115.39V
2 0.089A 0.455 73.151% 0.060
5.105V 0.622 115.39V
3 0.540A 2.752 77.850% 0.268
5.095V 3.535 115.38V
4 1.000A 5.086 77.732% 0.372
5.084V 6.543 115.39V
5 1.500A 7.612 78.160% 0.426
5.073V 9.739 115.38V
6 3.001A 15.093 76.316% 0.493
5.030V 19.777 115.37V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.044A 0.225 57.990% 0.013
5.106V 0.388 230.97V
2 0.089A 0.455 66.423% 0.023
5.105V 0.685 230.97V
3 0.540A 2.752 76.064% 0.113
5.094V 3.618 230.96V
4 1.000A 5.085 77.291% 0.189
5.084V 6.579 230.96V
5 1.500A 7.610 77.416% 0.251
5.072V 9.830 230.96V
6 3.001A 15.117 77.802% 0.355
5.038V 19.430 230.96V

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 5.222A 1.996A 1.987A 0.985A 84.992 86.748% 621 11.6 41.65°C 0.973
12.137V 5.010V 3.327V 5.078V 97.976 47.59°C 115.27V
2 11.485A 2.997A 2.979A 1.184A 170.301 90.194% 565 10.7 38.83°C 0.988
12.136V 5.009V 3.325V 5.069V 188.816 47.93°C 115.17V
3 18.076A 3.497A 3.490A 1.384A 255.483 91.014% 550 10.4 39.01°C 0.990
12.136V 5.008V 3.323V 5.059V 280.706 48.41°C 115.15V
4 24.667A 3.997A 3.973A 1.585A 340.575 91.022% 550 10.4 39.57°C 0.991
12.136V 5.007V 3.322V 5.050V 374.169 49.23°C 115.03V
5 30.861A 4.998A 4.968A 1.786A 425.082 90.655% 560 10.5 40.75°C 0.990
12.137V 5.006V 3.321V 5.041V 468.903 50.75°C 114.91V
6 37.117A 5.997A 5.965A 1.988A 510.384 90.095% 880 20.6 41.79°C 0.991
12.139V 5.005V 3.320V 5.031V 566.497 52.22°C 114.88V
7 43.348A 6.997A 6.961A 2.192A 595.278 89.427% 1333 31.4 42.33°C 0.991
12.138V 5.004V 3.319V 5.020V 665.660 52.93°C 114.75V
8 49.587A 7.998A 7.962A 2.395A 680.212 88.693% 1984 41.5 42.93°C 0.992
12.136V 5.003V 3.317V 5.011V 766.925 53.79°C 114.72V
9 56.248A 8.499A 8.474A 2.398A 765.241 87.942% 2310 45.1 44.02°C 0.992
12.136V 5.002V 3.316V 5.006V 870.166 55.12°C 114.58V
10 62.643A 9.000A 8.958A 3.009A 849.956 87.009% 2320 45.2 45.40°C 0.993
12.136V 5.002V 3.315V 4.987V 976.857 56.83°C 114.43V
11 69.683A 9.000A 8.962A 3.012A 935.525 85.851% 2225 44.7 47.19°C 0.993
12.138V 5.001V 3.314V 4.981V 1089.714 58.87°C 114.39V
CL1 0.159A 12.001A 12.000A 0.001A 101.985 85.242% 560 10.5 43.42°C 0.983
12.145V 5.008V 3.329V 5.092V 119.642 53.02°C 115.24V
CL2 70.008A 1.002A 1.001A 1.001A 863.063 87.262% 2320 45.2 45.75°C 0.993
12.137V 5.004V 3.315V 5.039V 989.045 56.15°C 114.43V

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 5.208A 1.996A 1.982A 0.985A 84.840 87.431% 675 13.8 39.70°C 0.826
12.144V 5.010V 3.327V 5.076V 97.036 46.04°C 230.88V
2 11.400A 2.996A 2.975A 1.185A 169.340 91.393% 560 10.5 40.03°C 0.929
12.144V 5.008V 3.325V 5.065V 185.287 47.41°C 230.83V
3 17.987A 3.496A 3.461A 1.385A 254.440 92.476% 560 10.5 40.78°C 0.959
12.144V 5.007V 3.323V 5.054V 275.143 48.65°C 230.77V
4 24.573A 3.997A 3.972A 1.586A 339.642 92.686% 560 10.5 41.33°C 0.971
12.145V 5.006V 3.322V 5.043V 366.444 49.83°C 230.70V
5 30.828A 4.995A 4.968A 1.788A 424.965 92.577% 590 12.8 42.09°C 0.977
12.147V 5.005V 3.321V 5.033V 459.039 50.87°C 230.64V
6 37.016A 5.997A 5.964A 1.992A 509.484 92.211% 1015 23.6 42.48°C 0.981
12.148V 5.004V 3.320V 5.022V 552.520 51.80°C 230.68V
7 43.281A 6.998A 6.961A 2.196A 594.801 91.780% 1650 36.9 43.67°C 0.983
12.146V 5.003V 3.318V 5.010V 648.071 53.47°C 230.62V
8 49.545A 8.001A 7.961A 2.401A 680.139 91.283% 2130 44.4 44.38°C 0.985
12.145V 5.001V 3.316V 4.999V 745.089 54.58°C 230.55V
9 56.200A 8.501A 8.446A 2.404A 765.065 90.888% 2330 45.4 45.22°C 0.986
12.145V 5.001V 3.315V 4.993V 841.767 55.82°C 230.32V
10 62.586A 9.003A 8.960A 3.017A 849.881 90.180% 2340 45.4 46.39°C 0.987
12.146V 5.000V 3.314V 4.973V 942.424 57.53°C 230.42V
11 69.566A 9.003A 8.964A 3.021A 934.658 89.523% 2340 45.4 47.16°C 0.988
12.146V 4.999V 3.313V 4.967V 1044.048 58.98°C 230.47V
CL1 0.144A 12.001A 11.998A 0.000A 101.768 86.140% 560 10.5 44.36°C 0.868
12.149V 5.008V 3.327V 5.088V 118.143 54.52°C 230.95V
CL2 70.004A 1.002A 0.998A 1.000A 863.621 90.526% 2340 45.4 45.89°C 0.987
12.146V 5.003V 3.317V 5.029V 954.007 57.07°C 230.42V

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 1.273A 0.500A 0.482A 0.197A 20.562 69.035% 0 <6.0 0.810
12.133V 5.014V 3.329V 5.101V 29.785 115.36V
2 2.456A 1.001A 0.995A 0.393A 40.123 79.750% 0 <6.0 0.915
12.133V 5.009V 3.325V 5.095V 50.311 115.34V
3 3.709A 1.499A 1.507A 0.590A 60.535 84.325% 0 <6.0 0.954
12.135V 5.010V 3.327V 5.089V 71.788 115.31V
4 4.895A 1.999A 1.986A 0.788A 80.033 86.626% 0 <6.0 0.971
12.136V 5.010V 3.327V 5.083V 92.389 115.29V

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 1.190A 0.499A 0.479A 0.196A 19.548 69.710% 0 <6.0 0.492
12.143V 5.015V 3.331V 5.100V 28.042 230.92V
2 2.441A 0.999A 0.991A 0.393A 39.947 81.002% 0 <6.0 0.640
12.144V 5.010V 3.328V 5.094V 49.316 230.91V
3 3.623A 1.496A 1.473A 0.590A 59.396 85.279% 0 <6.0 0.744
12.144V 5.010V 3.328V 5.088V 69.649 230.89V
4 4.880A 1.995A 1.983A 0.787A 79.854 87.528% 0 <6.0 0.812
12.144V 5.010V 3.327V 5.081V 91.233 230.89V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 7.0 mV 5.2 mV 3.6 mV 2.8 mV Pass
20% Load 10.4 mV 6.1 mV 4.5 mV 3.5 mV Pass
30% Load 13.3 mV 6.6 mV 5.0 mV 4.3 mV Pass
40% Load 15.2 mV 7.7 mV 5.7 mV 4.7 mV Pass
50% Load 15.7 mV 9.2 mV 6.7 mV 4.7 mV Pass
60% Load 15.1 mV 9.9 mV 7.3 mV 5.8 mV Pass
70% Load 16.5 mV 10.2 mV 7.8 mV 5.8 mV Pass
80% Load 18.3 mV 10.4 mV 8.7 mV 8.7 mV Pass
90% Load 21.2 mV 11.2 mV 9.0 mV 9.1 mV Pass
100% Load 24.2 mV 12.3 mV 9.5 mV 9.8 mV Pass
110% Load 26.9 mV 12.7 mV 9.7 mV 9.9 mV Pass
Crossload 1 8.4 mV 10.6 mV 7.8 mV 3.3 mV Pass
Crossload 2 24.0 mV 7.9 mV 5.8 mV 7.2 mV Pass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load6.60mV5.30mV4.00mV2.90mVPass
20% Load9.80mV5.90mV4.50mV3.40mVPass
30% Load12.30mV6.50mV4.90mV3.90mVPass
40% Load14.50mV7.80mV5.70mV3.80mVPass
50% Load14.60mV9.30mV6.80mV3.90mVPass
60% Load14.40mV9.70mV7.30mV4.90mVPass
70% Load15.70mV10.10mV7.90mV4.30mVPass
80% Load18.40mV10.00mV9.00mV7.10mVPass
90% Load20.80mV10.40mV9.20mV7.50mVPass
100% Load23.10mV11.50mV9.60mV7.50mVPass
110% Load25.80mV12.20mV10.10mV8.00mVPass
Crossload18.00mV10.30mV8.20mV3.30mVPass
Crossload223.70mV7.90mV6.10mV5.20mVPass

The results above are not used in the certification process

Seasonic Focus Plus Gold 850W (#2)

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