Enermax ERF850EWT User Manual

EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS

Anex

Lab ID#: EM85001619
Receipt Date: Mar 3, 2020

Enermax ERF850EWT

Report: 20PS1619A

Test Date: Mar 9, 2020 Report Date: Mar 11, 2020

DUT INFORMATION

Brand Enermax
Manufacturer (OEM) Channel Well Technology
Series Revolution D.F.
Model Number ERF850EWT
Serial Number 18C7110160206
DUT Notes

DUT SPECIFICATIONS

Rated Voltage (Vrms) 100-240
Rated Current (Arms) 12
Rated Frequency (Hz) 47-63
Rated Power (W) 850
Type ATX12V

Cooling

Semi-Passive Operation ✗
Cable Design Fully Modular

140mm Twister Bearing Fan
(ED142512M-FA-1)

POWER SPECIFICATIONS

Rail 3.3V 5V 12V 5VSB -12V

Max. Power

Total Max. Power (W) 850

Amps 22 22 25 2.5 0.3
Watts 120 850 12.5 3.6

CABLES AND CONNECTORS

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (600mm) 1 1 18AWG No
4+4 pin EPS12V (700mm) 2 2 16AWG No
6+2 pin PCIe (500mm+150mm) 3 6 16-18AWG No
SATA (450mm+150mm+150mm+150mm) 3 12 18AWG No
4-pin Molex (450mm+150mm+150mm+150mm) 1 4 18AWG No
FDD Adapter (150mm) 1 1 20AWG No
AC Power Cord (1100mm) - C13 coupler 1 1 18AWG -

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

PAGE 1/15

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EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS

Anex

General Data -

Manufacturer (OEM) CWT
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 (SCK-055) & Relay
Bridge Rectifier(s) 1xGBU15L06 (600V, 15A @ 115°C)
APFC MOSFETs 2x Champion GP28S50G (500V, 28A @ 150°C, 0.125Ohm)
APFC Boost Diode 1x CREE C3D08060A (600V, 8A @ 152°C)
Hold-up Cap(s) 1x Nichicon (400V, 680uF, 2,000h @ 105°C, GG)
Main Switchers 2x Toshiba TK25A60X5 (600V, 25A @ 150°C, 0.14Ohm)
APFC Controller Champion CM6500UNX & CM03X Phantom Power Remover
Resonant Controller Champion CM6901X

Topology

Secondary Side -

+12V MOSFETs 6x International RectifierIRFH7004PBF (40V, 100A @ 100°C, 1.4mOhm)

5V & 3.3V

Filtering Capacitors

Supervisor ICs Weltrend WT7518D (OCP, SCP) & Sitronix ST9S429-PG14 (OVP, UVP, OCP, SCP, PG)
Fan Model Enermax ED142512M-FA-1 (140mm, 12V, 0.25A, Twister Bearing Fan)

Primary side: Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters

DC-DC Converters: 2x UBIQ SemiconductorQM3006D(30V, 57A @ 100°C, 5.5mOhm) & 2x Sync Power SPN3004D (30V, 68A @
100°C, 4.2mOhm)
PWM Controllers: ANPEC APW7159C

Electrolytic: 11x Nippon Chemi-Con (4-10,000h @ 105°C, KY), 2x Nippon Chemi-Con (4-10,000h @ 105°C, KYA), 2x Nippon Chemi­Con (5-6,000h @ 105°C, KZH), 6x Nichicon (4-10,000h @ 105°C, HE), 1x Nichicon (1,000h @ 105°C, VZ)
Polymer: 18x FPCAP

Enermax ERF850EWT

5VSB Circuit -

Rectifier ­Standby PWM Controller Power Integrations TNY177PN

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

PAGE 2/15

www.cybenetics.com - [e-mail]

4004 MESA GEITONIA, LIMASSOL, CYPRUS

EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS

Anex

RESULTS

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

115V

Average Efficiency 88.616%
Efficiency With 10W (≤500W) or 2% (>500W) 65.335
Average Efficiency 5VSB 77.400%
Standby Power Consumption (W) 0.0845174
Average PF 0.978
Avg Noise Output 25.78 dB(A)
Efficiency Rating (ETA) ETA-A
Noise Rating (LAMBDA) LAMBDA-A-

230V

Average Efficiency 90.838%
Average Efficiency 5VSB 76.022%
Standby Power Consumption (W) 0.1241690
Average PF 0.934
Avg Noise Output 25.06 dB(A)
Efficiency Rating (ETA) ETA-A
Noise Rating (LAMBDA) LAMBDA-A-

Enermax ERF850EWT

TEST EQUIPMENT

Chroma 63601-5 x4

Electronic Loads

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

Chroma 63600-2 x2
63640-80-80 x20
63610-80-20 x2

HOLD-UP TIME & POWER OK SIGNAL (230V)

Hold-Up Time (ms) 14.6
AC Loss to PWR_OK Hold Up Time (ms) 14.3
PWR_OK Inactive to DC Loss Delay (ms) 0.3

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

PAGE 3/15

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4004 MESA GEITONIA, LIMASSOL, CYPRUS

EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS

Anex

EFFICIENCY UNDER HIGH AMBIENT TEMPERATURE

Enermax ERF850EWT

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

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

INFO

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

PAGE 4/15

Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted

www.cybenetics.com - [e-mail]

4004 MESA GEITONIA, LIMASSOL, CYPRUS

EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS

Anex

Enermax ERF850EWT

5VSB EFFICIENCY -115V (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts

1

2

3

4

5

6

0.045A 0.229

62.228%

5.085V 0.368 115.11V

0.090A 0.458

70.679%

5.084V 0.648 115.11V

0.550A 2.790

78.261%

5.072V 3.565 115.11V

1.000A 5.061

77.291%

5.061V 6.548 115.11V

1.500A 7.573

77.362%

5.048V 9.789 115.11V

2.500A 12.560

75.115%

5.024V 16.721 115.11V

0.037

0.063

0.264

0.361

0.413

0.465

5VSB EFFICIENCY -230V (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts

1

2

3

4

5

6

0.045A 0.229

53.882%

5.056V 0.425 230.24V

0.090A 0.458

64.507%

5.084V 0.710 230.24V

0.550A 2.790

75.385%

5.072V 3.701 230.24V

1.000A 5.061

77.267%

5.061V 6.550 230.24V

1.500A 7.573

77.552%

5.048V 9.765 230.24V

2.500A 12.561

77.537%

5.024V 16.200 230.24V

0.153

0.021

0.102

0.167

0.225

0.301

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

PAGE 5/15

www.cybenetics.com - [e-mail]

4004 MESA GEITONIA, LIMASSOL, CYPRUS