CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Channel Well Technology CSX 850M-G
Serial Number
Lab IDCW85002043
  • Report: 22PS2043A
  • Receipt Date: Jun 22, 2022
  • Test Date: Jul 19, 2022
  • Report Date: Jul 19, 2022
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandChannel Well Technology
Manufacturer (OEM)CWT
SeriesCSX
Model Number
Serial Number
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12
Rated Frequency (Hz)47-63
Rated Power (W)850
TypeSFX
Cooling92mm Fluid Dynamic Bearing Fan
(HA9215SH12FD-F00)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts120849.6153.6
Total Max. Power (W)850

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

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (320mm) 1 1 16AWG No
4+4 pin EPS12V (430mm) 2 2 16AWG No
6+2 pin PCIe (400mm) 3 3 16AWG No
2x 6+2 pin PCIe (600mm) 1 2 18AWG No
12+4 pin PCIe (610mm) 1 1 16-24AWG No
SATA (300mm+105mm) 2 4 18AWG No

Parts Description

General Data
Manufacturer (OEM) CWT
Platform CSX
PCB Type Double Sided
Primary Side
Transient Filter 2x Y caps, 4x SMD Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor SCK-037 (3 Ohm) & Relay
Bridge Rectifier(s) 2x GBUE2560 (600V, 25A @ 140°C)
APFC MOSFETs 1x Infineon IPW60R045P7 (600V, 38A @ 100°C, Rds(on): 0.045Ohm) &
1x Sync Power SPN5003 FET (for reduced no-load consumption)
APFC Boost Diode 1x On Semiconductor FFSP1065B (650V, 10A @ 139°C)
Bulk Cap(s) 1x Rubycon (420V, 470uF, 3,000h @ 105°C, MXK)
Main Switchers 2x Vishay SiHA105N60EF (600V, 8A @ 100°C, Rds(on): 0.102Ohm)
APFC Controller Champion CM6500UNX
Resonant Controller Champion CU6901VAC
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 6x International Rectifier IRPH7004PbF (40V, 164A @ 100°C, Rds(on): 1.4mOhm)
5V & 3.3V DC-DC Converters: 2x UBIQ QM3054M6 (30V, 61A @ 100°C, Rds(on): 4.8mOhm) &
2x UBIQ QN3107M6N (30V, 70A @ 100°C, Rds(on): 2.6mOhm)
PWM Controller(s): uPI-Semi uP3861P
Filtering Capacitors Electrolytic: 2x Elite (2-5,000h @ 105°C, ED), 1x Chengx(2-4,000h @ 105°C, GR), 2x Chengx (3-6,000h @ 105°C, LF)
Polymer: 7x APAQ, 9x CapXon, 5x no info
Supervisor IC Weltrend WT7502R (OVP, UVP, SCP, PG)
Fan Controller 8A08A2
Fan Model Hong Hua HA9215SH12FD-F00 (92mm, 12V, 0.46A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier 1x PS1045L (45V, 10A) SBR
Standby PWM Controller On-Bright OB2365T

Test Results

Temperature & Compliance Info

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

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)15.6
AC Loss to PWR_OK Hold Up Time (ms)13.3
PWR_OK Inactive to DC Loss Delay (ms)2.3

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.17 V 115.13 V 113.85 V 115.20 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.96 Hz 59.40 Hz 60.02 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.10 % N/A 0.18 % 2.00 % PASS
Real Power: 0.026 W 0.022 W N/A 0.030 W N/A N/A
Apparent Power: 16.060 W 16.013 W N/A 16.109 W N/A N/A
Power Factor: 0.001 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.34 V 230.24 V 227.70 V 230.38 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.417 1.490 PASS
Mains Voltage THD: 0.12 % 0.10 % N/A 0.20 % 2.00 % PASS
Real Power: 0.101 W 0.089 W N/A 0.121 W N/A N/A
Apparent Power: 54.324 W 54.075 W N/A 54.600 W N/A N/A
Power Factor: 0.002 N/A N/A N/A N/A N/A

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 0.225W 69.628% 0.02
5.006V 0.323W 115.17V
2 0.09A 0.45W 74.665% 0.037
5.006V 0.603W 115.16V
3 0.55A 2.749W 78.822% 0.19
5.001V 3.488W 115.16V
4 1A 4.994W 78.922% 0.289
4.995V 6.328W 115.16V
5 1.5A 7.483W 79.462% 0.35
4.989V 9.417W 115.16V
6 2.999A 14.906W 78.464% 0.435
4.971V 18.998W 115.16V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.225W 62.589% 0.007
5.006V 0.361W 230.33V
2 0.09A 0.45W 69.551% 0.012
5.006V 0.648W 230.33V
3 0.55A 2.749W 77.642% 0.063
5.001V 3.541W 230.33V
4 1A 4.994W 78.493% 0.11
4.995V 6.362W 230.33V
5 1.5A 7.483W 79.057% 0.155
4.989V 9.464W 230.33V
6 2.999A 14.906W 79.46% 0.255
4.971V 18.762W 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
10% 5.194A 1.977A 1.995A 1.002A 84.995 84.609% 915 13.8 40.52°C 0.959
12.205V 5.057V 3.309V 4.988V 100.458 44.86°C 115.15V
20% 11.417A 2.968A 2.994A 1.181A 169.919 89.495% 917 13.9 41.16°C 0.958
12.176V 5.054V 3.307V 5.078V 189.864 46.22°C 115.13V
30% 17.987A 3.465A 3.494A 1.38A 254.912 90.654% 919 14.0 41.36°C 0.971
12.168V 5.051V 3.305V 5.071V 281.195 47.09°C 115.11V
40% 24.561A 3.962A 3.996A 1.58A 339.987 90.868% 922 14.1 41.89°C 0.979
12.165V 5.049V 3.304V 5.064V 374.153 48.02°C 115.08V
50% 30.769A 4.955A 4.997A 1.78A 424.776 90.605% 925 14.3 42.21°C 0.983
12.164V 5.046V 3.302V 5.055V 468.822 48.77°C 115.06V
60% 36.882A 5.95A 6A 1.981A 509.305 90.159% 966 15.7 42.67°C 0.987
12.187V 5.042V 3.3V 5.047V 564.895 49.81°C 115.03V
70% 43.169A 6.947A 7.004A 2.182A 594.596 89.504% 1775 35.6 43.31°C 0.989
12.173V 5.039V 3.299V 5.038V 664.323 50.86°C 115V
80% 49.501A 7.945A 8.007A 2.284A 679.441 88.827% 2250 40.8 44.05°C 0.99
12.152V 5.036V 3.296V 5.031V 764.901 52.27°C 114.96V
90% 56.204A 8.444A 8.497A 2.387A 764.852 88.072% 2789 45.8 45.12°C 0.991
12.141V 5.033V 3.294V 5.025V 868.451 54.22°C 114.93V
100% 62.645A 8.946A 9.018A 2.992A 849.688 87.063% 3274 50.7 45.56°C 0.992
12.132V 5.03V 3.292V 5.012V 975.941 55.72°C 114.9V
110% 68.924A 9.947A 10.118A 2.995A 934.26 86.072% 3469 52.5 46.7°C 0.993
12.130V 5.026V 3.29V 5.006V 1085.441 57.56°C 114.86V
CL1 0.113A 14.329A 14.44A 0A 121.281 83.194% 933 14.6 42.33°C 0.955
12.227V 5.039V 3.303V 5.085V 145.782 48.51°C 115.14V
CL2 0.113A 19.852A 0A 0A 101.38 81.571% 928 14.4 43.46°C 0.954
12.221V 5.037V 3.299V 5.09V 124.281 50.49°C 115.15V
CL3 0.112A 0A 19.948A 0A 67.369 76.486% 924 14.2 44.36°C 0.965
12.231V 5.048V 3.308V 4.994V 88.079 52.46°C 115.15V
CL4 70.134A 0A 0A 0A 849.425 87.969% 3019 49.9 46.19°C 0.991
12.112V 5.042V 3.295V 5.056V 965.606 56.12°C 114.91V

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
10% 5.194A 1.977A 1.994A 1.002A 84.993 85.311% 921 14.1 40.04°C 0.803
12.204V 5.057V 3.309V 4.988V 99.627 44.54°C 230.34V
20% 11.417A 2.968A 2.993A 1.181A 169.913 90.672% 921 14.1 40.33°C 0.896
12.176V 5.054V 3.307V 5.078V 187.394 45.27°C 230.33V
30% 17.988A 3.465A 3.494A 1.38A 254.905 92.068% 923 14.2 41.47°C 0.924
12.167V 5.051V 3.305V 5.071V 276.861 46.85°C 230.32V
40% 24.566A 3.962A 3.996A 1.58A 339.978 92.419% 927 14.3 41.86°C 0.941
12.162V 5.049V 3.304V 5.064V 367.866 47.83°C 230.31V
50% 30.771A 4.956A 4.997A 1.78A 424.732 92.352% 930 14.5 42.7°C 0.953
12.162V 5.045V 3.302V 5.055V 459.907 49.26°C 230.3V
60% 36.877A 5.951A 6A 1.981A 509.271 92.119% 934 14.6 42.97°C 0.958
12.188V 5.042V 3.3V 5.047V 552.84 49.99°C 230.29V
70% 43.176A 6.947A 7.004A 2.182A 594.559 91.687% 1746 34.3 43.12°C 0.962
12.170V 5.039V 3.298V 5.038V 648.46 50.61°C 230.28V
80% 49.507A 7.945A 8.006A 2.284A 679.412 91.188% 2279 41.9 43.84°C 0.966
12.150V 5.036V 3.296V 5.032V 745.076 51.98°C 230.27V
90% 56.210A 8.444A 8.497A 2.387A 764.82 90.645% 2811 46.2 44.97°C 0.969
12.139V 5.033V 3.294V 5.025V 843.747 54.34°C 230.25V
100% 62.665A 8.945A 9.018A 2.991A 849.643 90.004% 3313 51.2 45.62°C 0.972
12.128V 5.03V 3.292V 5.012V 944.013 55.65°C 230.24V
110% 68.974A 9.947A 10.118A 2.995A 934.233 89.329% 3494 52.9 47.03°C 0.975
12.121V 5.027V 3.29V 5.006V 1045.831 57.82°C 230.22V
CL1 0.113A 14.332A 14.442A 0A 121.277 84.489% 936 14.7 42.36°C 0.866
12.222V 5.038V 3.302V 5.085V 143.539 48.44°C 230.33V
CL2 0.113A 19.853A 0A 0A 101.379 82.503% 933 14.6 43.73°C 0.84
12.221V 5.037V 3.299V 5.09V 122.878 50.98°C 230.34V
CL3 0.112A 0A 19.947A 0A 67.368 76.933% 931 14.5 44.64°C 0.773
12.231V 5.047V 3.308V 4.994V 87.567 52.93°C 230.34V
CL4 70.136A 0A 0A 0A 849.415 90.779% 3086 49.7 46.3°C 0.971
12.112V 5.042V 3.295V 5.056V 935.707 56.27°C 230.24V

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]) Temps (In/Out) PF/AC Volts
20W 1.222A 0.494A 0.499A 0.2A 19.99 72.533% 0 <6.0 40.56°C 0.84
12.149V 5.06V 3.309V 5.002V 27.56 37.43°C 115.17V
40W 2.687A 0.692A 0.698A 0.3A 39.99 79.695% 0 <6.0 41.79°C 0.934
12.163V 5.06V 3.309V 4.999V 50.178 38.37°C 115.16V
60W 4.147A 0.889A 0.898A 0.4A 59.991 83.166% 0 <6.0 43.56°C 0.967
12.183V 5.059V 3.309V 4.997V 72.136 39.94°C 115.16V
80W 5.597A 1.087A 1.097A 0.5A 79.933 84.747% 913 13.7 40.33°C 0.962
12.205V 5.059V 3.309V 4.995V 94.319 44.24°C 115.15V

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
20W 1.222A 0.494A 0.499A 0.2A 19.989 74.451% 902 13.3 36.53°C 0.405
12.139V 5.06V 3.308V 5.002V 26.85 39.66°C 230.35V
40W 2.690A 0.692A 0.698A 0.3A 39.989 80.694% 908 13.5 37.49°C 0.609
12.151V 5.059V 3.308V 4.999V 49.555 40.81°C 230.34V
60W 4.152A 0.889A 0.898A 0.4A 59.989 83.274% 912 13.7 38.22°C 0.726
12.167V 5.059V 3.308V 4.997V 72.037 41.75°C 230.34V
80W 5.599A 1.087A 1.097A 0.5A 79.929 85.341% 916 13.9 39.41°C 0.791
12.199V 5.058V 3.308V 4.995V 93.661 43.11°C 230.34V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load6.33mV15.04mV13.14mV7.39mVPass
20% Load15.82mV12.40mV11.27mV8.05mVPass
30% Load13.09mV14.13mV9.10mV9.16mVPass
40% Load12.30mV14.08mV16.99mV8.96mVPass
50% Load14.48mV21.95mV24.77mV10.37mVPass
60% Load15.09mV15.70mV13.55mV10.98mVPass
70% Load17.16mV16.57mV13.65mV12.85mVPass
80% Load19.19mV16.92mV16.63mV14.32mVPass
90% Load20.56mV20.12mV17.44mV15.43mVPass
100% Load29.72mV20.09mV20.67mV23.10mVPass
110% Load31.93mV22.10mV23.39mV30.77mVPass
Crossload126.86mV12.70mV13.34mV12.43mVPass
Crossload219.57mV14.43mV7.38mV10.83mVPass
Crossload316.50mV12.35mV24.92mV11.18mVPass
Crossload425.71mV17.67mV18.30mV13.22mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load6.63mV15.45mV13.50mV9.36mVPass
20% Load17.90mV15.91mV10.46mV8.80mVPass
30% Load14.26mV18.29mV9.25mV10.43mVPass
40% Load12.58mV17.33mV19.16mV8.91mVPass
50% Load13.72mV22.61mV24.88mV10.63mVPass
60% Load15.34mV18.60mV15.47mV10.98mVPass
70% Load17.47mV21.65mV14.51mV12.25mVPass
80% Load18.68mV20.88mV17.09mV12.65mVPass
90% Load21.16mV22.46mV18.81mV12.55mVPass
100% Load30.56mV21.49mV24.24mV17.80mVPass
110% Load32.62mV31.41mV25.08mV20.38mVPass
Crossload126.97mV12.68mV13.57mV11.90mVPass
Crossload222.15mV19.06mV7.53mV11.59mVPass
Crossload315.59mV13.46mV27.45mV11.44mVPass
Crossload426.35mV18.97mV20.84mV13.86mVPass

The results above are not used in the certification process

Channel Well Technology CSX 850M-G

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
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