CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
HuntKey WD650K
Serial NumberWD650KM9QO907932977
Lab IDHK65002754
  • Report: 25PS2754A
  • Receipt Date: Dec 10, 2024
  • Test Date: Feb 27, 2025
  • Report Date: -
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandHuntKey
Manufacturer (OEM)HuntKey
SeriesWD-K
Model NumberHK750-51PP
Serial NumberWD650KM9QO907932977
DUT NotesIt doesn't get a 230V rating because of the increased vampire power. It doesn't get an ATX v3.1 compliance because of the short hold-up time. No ALPM support. T3 > 150ms

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)50-60
Rated Power (W)650
TypeATX12V
Cooling120mm Sleeve Bearing Fan (AS12025H12)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps1515502.50.3
Watts10060012.53.6
Total Max. Power (W)650

Test Equipment

Electronic Loads

Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P
Power Analyzers RS HMC8015, N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444, Rigol DS7014, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A, Keithley 2015 - THD
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Isolation Transformer 4kVA
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 (530mm) 1 1 18-22AWG No
4+4 pin EPS12V (650mm+50mm) 1 2 18-20AWG No
6+2 pin PCIe (500mm+80mm) 1 2 18AWG No
SATA (450mm+120mm) / 4-pin Molex (+120mm) 1 2 / 1 18AWG No
4-pin Molex (450mm+120mm) / SATA (+120mm+120mm) 1 2 / 2 18AWG No
AC Power Cord (1350mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data
Manufacturer (OEM) HuntKey
PCB Type Single-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor Joyin 15S070L (7 ohm) & Relay
Bridge Rectifier(s)

1x GSIB2580 (800V, 25A @ 98°C)
APFC MOSFETs

2x Infineon IPA60R190P6 (650V, 12.7A @ 100°C, Rds(on): 0.190Ohm)
APFC Boost Diode

1x WeEn BYC8X600P (650V, 8A @ 130°C)
Bulk Cap(s)

1x SamXon (450V, 390uF, 2,000h @ 85°C, LP)
Main Switchers

2x STMicroelectronics STF24N60DM2 (650V, 11A @ 100°C, Rds(on): 0.200Ohm)
Resonant Controller

HK6288
APFC Controller

Champion CM6500UNX
Topology

Primary side: APFC, Half-Bridge & LLC Resonant converter Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 2x Oriental Semiconductor SFS06R02PF (60V, 200A @ 25°C, Rds(on): 2.5mOhm)
5V & 3.3V DC-DC Converters: 3x Huajing HGQ022N03A (30V, 94A @ 100°C, Rds(on): 2.2mOhm) PWM Controller(s): Anpec APW7159C
Filtering Capacitors

Electrolytic: 3x AiSHi (2-4,000h @105°C, RE) 2x AiSHi (3-6,000h @105°C, RF) 2x SamXon (1-4,000h @105°C, GF) 2x SamXon (2,000h @105°C, KM) 1x SamXon (2-5,000h @105°C, GK) Polymer: 9x Polycap, 6x X-Con (ULR)
Supervisor IC Sitronix ST9S313C-DAG
Fan Model HK AS12025H12 (120mm, 12V, 0.25A, Sleeve Bearing Fan)
5VSB
Rectifier

1x MBR1060CT SBR (60V, 10A)
Standby PWM Controller

Chipown PN8177

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

Efficiency RatingSILVER
Noise RatingStandard++
Average Efficiency (>1450 load combinations)87.245%
Average Noise Output (>1450 Load Combinations)32.91dBA
Average PF (>1450 Load Combinations)0.991
Efficiency With 10W (≤500W) or 2% (>500W) Load61.047%
Standby Power Consumption0.0950W
12V Ripple (Full Load)33.51mV
5V Ripple (Full Load)13.81mV
3.3V Ripple (Full Load)15.89mV
5VSB Ripple (Full Load)11.05mV
12V Load Regulation1.30%
5V Load Regulation4.61%
3.3V Load Regulation5.35%
5VSB Load Regulation4.27%
Inrush Current49.410A
Efficiency Rating
Noise RatingStandard++
Average Efficiency (>1450 load combinations)89.602%
Average Noise Output (>1450 Load Combinations)32.12dBA
Average PF (>1450 Load Combinations)0.969
Efficiency With 10W (≤500W) or 2% (>500W) Load60.643%
Standby Power Consumption0.2782W
12V Ripple (Full Load)32.36mV
5V Ripple (Full Load)13.12mV
3.3V Ripple (Full Load)16.01mV
5VSB Ripple (Full Load)8.96mV
12V Load Regulation1.33%
5V Load Regulation4.59%
3.3V Load Regulation5.32%
5VSB Load Regulation4.23%
Inrush Current91.410A
12V Transient Response (150%)11.75V
5V Transient Response (150%)4.892V
3.3V Transient Response (150%)3.212V
5VSB Transient Response (150%)5.059V
Hold-Up Time & Power Ok Signal9.00ms
AC Loss to PWR_OK Hold Up Time6.80ms
PWR_OK Inactive to DC Loss Delay2.20ms
PSU Timings: T1 (20% / 100%)82.0ms82.0ms
PSU Timings: T3 (20% / 100%)231.0ms233.0ms
12V OCP (29.1°C / 41.4°C)62.80A (125.60%), 11.916V 5V60.00A (120.00%), 11.930V 5V
5V OCP (29.1°C / 41.4°C)
3.3V OCP (29.1°C / 41.4°C)
5VSB OCP (29.1°C / 41.4°C)
OPP (28.04°C / 41.79°C)118.92%114.59%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)9
AC Loss to PWR_OK Hold Up Time (ms)6.8
PWR_OK Inactive to DC Loss Delay (ms)2.2

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.05 V 115.01 V 113.85 V 115.08 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.09 % N/A 0.19 % 2.00 % PASS
Real Power: 0.095 W 0.032 W N/A 0.127 W N/A N/A
Apparent Power: 4.767 W 4.672 W N/A 4.863 W N/A N/A
Power Factor: 0.022 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.01 V 230.90 V 227.70 V 231.07 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: 1.417 1.416 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.26 % 2.00 % PASS
Real Power: 0.278 W 0.242 W N/A 0.315 W N/A N/A
Apparent Power: 15.922 W 15.765 W N/A 16.086 W N/A N/A
Power Factor: 0.016 N/A N/A N/A N/A N/A

Graphs

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

Conducted Emissions EN55032 & CISPR 32

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 0.234W 58.977% 0.081
5.186V 0.396W 115V
2 0.09A 0.467W 68.359% 0.133
5.184V 0.683W 115.02V
3 0.55A 2.841W 75.976% 0.384
5.164V 3.739W 115.01V
4 1A 5.144W 75.706% 0.452
5.143V 6.794W 115V
5 1.5A 7.681W 75.24% 0.481
5.119V 10.209W 115V
6 2.501A 12.682W 74.303% 0.513
5.072V 17.068W 114.99V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.234W 40.609% 0.036
5.189V 0.577W 230.2V
2 0.09A 0.467W 53.41% 0.054
5.187V 0.874W 230.19V
3 0.55A 2.841W 72.504% 0.205
5.165V 3.918W 230.18V
4 1A 5.145W 74.299% 0.292
5.144V 6.925W 230.18V
5 1.5A 7.682W 74.741% 0.348
5.121V 10.278W 230.17V
6 2.5A 12.685W 74.717% 0.4
5.073V 16.976W 230.17V

Protection Features

Protection Features
OCP (Normal @ 29.1°C) 12V: 62.80A (125.60%), 11.916V 5V: 26.8A (178.67%), 4.818V 3.3V: 26.8A (178.67%), 3.234V 5VSB: 4.6A (184.00%), 4.96V
OCP (Hot @ 41.4°C) 12V: 60.00A (120.00%), 11.930V 5V: 27A (180.00%), 4.811V 3.3V: 27A (180.00%), 3.229V 5VSB: 4.5A (180.00%), 4.956V
OPP (Normal @ 28.0°C) 773.00W (118.92%)
OPP (Hot @ 41.8°C) 744.87W (114.59%)
OTP ✓ (110°C @ Heat Sink)
SCP 12V to Earth: ✓ 5V to Earth: ✓ 3.3V to Earth: ✓ 5VSB to Earth: ✓ -12V to Earth: ✓
PWR_OK Accurate but short
UVP (Full Load @ 90V) Does Not Start
UVP (No Damage @ 80V) ✓
Conducted Emissions EN55032 & CISPR 32 ✓
NLO ✓
Fan Failure Protection ✗
SIP Surge: MOV Inrush: NTC & Bypass Relay

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% 3.601A 1.961A 1.948A 0.975A 65.017 85.129% 924 21.8 40.22°C 0.973
12.056V 5.102V 3.389V 5.129V 76.373 42.42°C 114.94V
20% 8.228A 2.955A 2.937A 1.175A 129.981 88.527% 929 21.7 40.74°C 0.987
12.041V 5.078V 3.371V 5.11V 146.827 44.33°C 114.92V
30% 13.216A 3.459A 3.441A 1.375A 194.994 89.451% 1231 30 41.12°C 0.991
12.025V 5.062V 3.357V 5.091V 217.991 45.41°C 114.9V
40% 18.226A 3.966A 3.949A 1.578A 260.093 89.367% 1485 35.2 41.75°C 0.994
12.010V 5.044V 3.343V 5.072V 291.041 46.66°C 114.85V
50% 22.894A 4.982A 4.963A 1.782A 325.1 88.799% 1722 40.1 42.08°C 0.992
11.994V 5.02V 3.325V 5.052V 366.106 48.13°C 114.82V
60% 27.549A 6.008A 5.99A 1.988A 389.806 88.132% 1874 41.7 42.71°C 0.993
11.978V 4.995V 3.306V 5.032V 442.301 50.14°C 114.8V
70% 32.269A 7.046A 7.029A 2.196A 455.129 87.353% 1970 43.4 43.27°C 0.994
11.962V 4.969V 3.287V 5.011V 521.023 51.94°C 114.78V
80% 36.999A 8.094A 8.08A 2.303A 519.923 86.49% 1983 43.4 43.96°C 0.996
11.946V 4.943V 3.268V 4.995V 601.135 54.45°C 114.77V
90% 42.141A 8.634A 8.611A 2.411A 585.348 85.512% 1985 43.4 44.57°C 0.997
11.932V 4.924V 3.252V 4.978V 684.527 57.35°C 114.76V
100% 47.230A 9.179A 9.18A 2.52A 650.073 84.36% 1991 43.4 45.13°C 0.998
11.917V 4.904V 3.235V 4.962V 770.596 61.31°C 114.75V
110% 52.065A 10.26A 10.364A 2.527A 715.486 82.924% 1996 43.4 46.74°C 0.998
11.902V 4.874V 3.213V 4.948V 862.835 66.04°C 114.75V
CL1 0.117A 12.168A 12.02A 0A 101.329 82.502% 1467 35.1 40.09°C 0.986
12.042V 4.949V 3.303V 5.15V 122.82 46.04°C 114.92V
CL2 0.116A 15.123A 0A 0A 76.419 82.08% 1151 28.7 40.06°C 0.981
12.053V 4.96V 3.376V 5.165V 93.101 44.91°C 114.93V
CL3 0.116A 0A 14.916A 0A 50.906 76.708% 1018 24 40.2°C 0.97
12.052V 5.086V 3.319V 5.164V 66.363 44.33°C 114.94V
CL4 54.505A 0A 0A 0A 649.905 85.845% 1993 43.4 45.37°C 0.998
11.924V 5.049V 3.321V 5.106V 757.082 56.95°C 114.77V

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% 3.600A 1.961A 1.948A 0.975A 65.014 85.853% 927 21.7 40.11°C 0.881
12.056V 5.102V 3.389V 5.129V 75.725 42.58°C 230.09V
20% 8.228A 2.955A 2.937A 1.175A 129.972 90.004% 941 22.1 40.88°C 0.952
12.040V 5.078V 3.372V 5.11V 144.407 43.99°C 230.07V
30% 13.216A 3.458A 3.44A 1.375A 194.978 91.094% 1231 30 41.07°C 0.97
12.025V 5.062V 3.358V 5.091V 214.04 44.96°C 230.05V
40% 18.224A 3.965A 3.948A 1.578A 260.067 91.312% 1467 35.1 41.85°C 0.978
12.010V 5.045V 3.344V 5.073V 284.812 45.11°C 230.05V
50% 22.891A 4.981A 4.963A 1.782A 325.068 91.095% 1721 40.1 42.26°C 0.983
11.994V 5.02V 3.325V 5.053V 356.847 46.5°C 230.03V
60% 27.539A 6.008A 5.989A 1.988A 389.693 90.666% 1868 41.6 42.64°C 0.986
11.979V 4.995V 3.307V 5.033V 429.813 47.76°C 230.02V
70% 32.259A 7.045A 7.027A 2.195A 455.015 90.148% 1964 43.4 43.15°C 0.988
11.962V 4.97V 3.288V 5.013V 504.739 49.11°C 230.02V
80% 36.990A 8.092A 8.078A 2.302A 519.817 89.574% 1983 43.4 43.62°C 0.99
11.947V 4.944V 3.268V 4.997V 580.321 50.68°C 230.01V
90% 42.133A 8.631A 8.608A 2.41A 585.242 88.945% 1990 43.4 44.96°C 0.991
11.932V 4.925V 3.253V 4.981V 657.986 53.12°C 230.01V
100% 47.222A 9.177A 9.178A 2.518A 649.968 88.175% 1991 43.4 45.18°C 0.992
11.917V 4.905V 3.236V 4.964V 737.134 55.13°C 230V
110% 52.055A 10.257A 10.361A 2.525A 715.387 87.179% 1998 43.4 46.42°C 0.993
11.902V 4.875V 3.214V 4.951V 820.601 58.36°C 229.98V
CL1 0.117A 12.167A 12.02A 0A 101.319 83.307% 1549 36.4 40.85°C 0.936
12.043V 4.948V 3.303V 5.15V 121.62 45.16°C 230.09V
CL2 0.116A 15.12A 0A 0A 76.412 83.019% 1199 29 40.76°C 0.906
12.053V 4.961V 3.376V 5.165V 92.04 44.85°C 230.1V
CL3 0.116A 0A 14.914A 0A 50.9 77.419% 992 23.6 40.33°C 0.855
12.052V 5.086V 3.319V 5.165V 65.747 43.89°C 230.1V
CL4 54.496A 0A 0A 0A 649.824 89.458% 1993 43.4 45.12°C 0.991
11.924V 5.05V 3.322V 5.109V 726.408 53.29°C 230V

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 1.232A 0.487A 0.484A 0.193A 20.014 70.957% 920 22 36.88°C 0.9
12.072V 5.13V 3.408V 5.174V 28.205 38.29°C 114.96V
40W 2.712A 0.683A 0.679A 0.29A 40.011 81.864% 922 21.9 37.37°C 0.953
12.061V 5.124V 3.404V 5.167V 48.874 39.14°C 114.96V
60W 4.192A 0.88A 0.874A 0.388A 60.011 85.503% 922 21.9 38.24°C 0.97
12.056V 5.119V 3.399V 5.16V 70.185 40.04°C 114.95V
80W 5.670A 1.076A 1.069A 0.485A 79.983 87.459% 924 21.8 39.85°C 0.981
12.053V 5.113V 3.395V 5.152V 91.452 41.36°C 114.94V

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 1.230A 0.487A 0.484A 0.193A 20.013 70.571% 922 21.9 36.41°C 0.634
12.076V 5.13V 3.408V 5.174V 28.36 38.8°C 230.09V
40W 2.712A 0.683A 0.679A 0.29A 40.01 82.182% 923 21.8 37.02°C 0.784
12.061V 5.124V 3.404V 5.167V 48.686 39.22°C 230.09V
60W 4.192A 0.879A 0.874A 0.388A 60.009 86.335% 925 21.7 38.59°C 0.864
12.056V 5.119V 3.399V 5.16V 69.506 40.04°C 230.09V
80W 5.670A 1.076A 1.069A 0.485A 79.977 88.492% 926 21.7 39.24°C 0.903
12.053V 5.114V 3.395V 5.152V 90.377 41.3°C 230.08V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load13.86mV9.28mV4.32mV6.37mVPass
20% Load17.73mV9.54mV14.75mV6.42mVPass
30% Load15.05mV8.67mV4.98mV6.57mVPass
40% Load14.52mV9.59mV5.75mV7.13mVPass
50% Load15.69mV9.95mV6.66mV6.67mVPass
60% Load16.54mV9.64mV8.85mV7.85mVPass
70% Load16.43mV10.25mV9.15mV8.51mVPass
80% Load18.22mV10.81mV8.55mV8.36mVPass
90% Load20.97mV11.43mV9.71mV8.61mVPass
100% Load33.51mV13.81mV15.89mV11.05mVPass
110% Load37.60mV18.79mV18.41mV12.77mVPass
Crossload127.00mV9.54mV9.12mV6.88mVPass
Crossload215.15mV8.37mV4.17mV6.47mVPass
Crossload312.45mV8.32mV7.32mV6.42mVPass
Crossload431.55mV16.14mV12.82mV11.62mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load14.84mV9.13mV3.97mV6.67mVPass
20% Load17.44mV10.05mV14.60mV7.54mVPass
30% Load14.79mV9.54mV4.83mV7.03mVPass
40% Load15.18mV9.03mV5.59mV6.52mVPass
50% Load15.23mV9.28mV6.25mV7.08mVPass
60% Load15.77mV9.90mV8.29mV8.10mVPass
70% Load16.18mV10.46mV9.10mV9.38mVPass
80% Load17.91mV11.17mV11.14mV7.64mVPass
90% Load20.56mV11.53mV11.09mV8.36mVPass
100% Load32.36mV13.12mV16.01mV8.96mVPass
110% Load37.02mV18.41mV18.38mV9.97mVPass
Crossload126.82mV9.68mV9.34mV6.60mVPass
Crossload215.25mV8.37mV4.12mV6.11mVPass
Crossload312.25mV8.37mV7.27mV6.16mVPass
Crossload431.83mV15.43mV12.10mV9.92mVPass

The results above are not used in the certification process

HuntKey WD650K

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
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