Customer: Cybenetics LTD
Syrou 6, Latsia, 2231, Nicosia Cyprus

NP-C750M

Report Number: 20PS1685A
Customer ID: 85
Lab ID: NZ75001685

Test Report Results

Section A: Testing Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
Chroma 63640-80-80 x10
Chroma 63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P, GW Instek ASR-3500
Power Analyzers Rohde & Schwarz HMC8015 & NPA701
Oscilloscopes Picoscope 4444, 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
EMI Analyzer TekBox TBMR-110M-EU
Isolation Transformer 4kVA
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Testing Methodology Cybenetics PSU Test Protocol

Section B: ETA

Voltage115V230V
Efficiency (>1450 Load Combinations)88.696%90.780%
Efficiency Graphs
Average PF (>1450 Load Combinations)0.9830.943
12V Step-
5V/3.3V Step-
Standby Power Consumption0.0442W0.0683W
ErP Lot 3/6 Ready
(EU) No 617/2013 Compliance
Average Efficiency VSB77.323%76.620%

Section C: LAMBDA

Voltage115V230V
Noise Rating (>1450 Load Combinations)33.38dBA33.05dBA
Noise Graphs

Section D: ATX(Non-validated)

Efficiency With 10W (≤500W) or 2% (>500W) Load64.017%
Hold Up Time22.10ms
Power OK18.40ms
Power OK to DC Loss3.70ms

Section E: Information about DUT

Product Identification Details
BrandNZXT
ModelNP-C750M
OEMSeasonic
Serial Number31195125800160
Product Specifications
Manufacturer
Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)50-60
Rated Power (W)750
Operating Temperature (Continuous Full Load) (°C)
TypeATX12V
Cable DesignFully Modular
Warranty-
Cybenetics
Dimensions (W x H x D)
Weight
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓ (selectable)
Cybenetics Testing Information
Lab IDNZ75001685
Date of receiptJun 25, 2020
Testing DateJul 16, 2020
Report Issued DateJul 20, 2020
Engineer Name-
Authorized By the Laboratory Technical ManagerAristeidis Bitziopoulos
Signature

Cables And Connectors(Non-accredited measurements)

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (610mm) 1 1 18-22AWG Yes
4+4 pin EPS12V (650mm) 1 1 18AWG Yes
6+2 pin PCIe (680mm+80mm) 2 4 18AWG Yes
SATA (500mm+100mm+100mm+100mm) 2 8 18AWG No
4-pin Molex (500+100mm+100mm) 2 6 18AWG No
AC Power Cord (1400mm) - C13 coupler 1 1 16AWG -

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 Champion CM02X (Discharge IC)
Inrush Protection NTC Thermistor (MF72-5D15M) & Relay
Bridge Rectifier(s) 2x GBU1508 (800V, 15A @ 100°C)
APFC MOSFETs 2x Infineon IPA60R180P7S (650V, 11A @ 100°C, Rds(on): 0.18Ohm)
APFC Boost Diode 1x STMicroelectronics STTH8S06 (600V, 8A @ 25°C)
Bulk Cap(s) 1x Nippon Chemi-Con (400V, 560uF, 2,000h @ 105°C, KMR)
Main Switchers 4x Great Power GPT10N50AD (500V, 9.7A, Rds(on): 0.7Ohm)
APFC Controller Champion CM6500UNX
Resonant Controller Champion CM6901T6X
Topology Primary side: APFC, Full-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side -
+12V MOSFETs 4x Nexperia PSMN2R6-40YS (40V, 100A @ 100°C, Rds(on): 5.3mOhm @ 175°C)
5V & 3.3V DC-DC Converters: 6x Infineon BSC0906NS (30V, 40A @ 100°C, 4.5mΩ)
PWM Controller: ANPEC APW7159
Filtering Capacitors Electrolytic: 2x Nippon Chemi-Con (105°C, W), 6x Nippon Chemi-Con (1-5,000h @ 105°C, KZE), 4x Nippon Chemi-Con (4-10,000h @ 105°C, KY), 2x Rubycon (3-6,000h @ 105°C, YXG)
Polymer: 8x Chemi-Con, 3x FPCAP, 6x NIC
 Supervisor IC Weltrend WT7527V (OCP, OVP, UVP, SCP, PG) 
Fan Model Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, 2200 RPM, Fluid Dynamic Bearing)
5VSB Circuit -
Rectifier 1x MCC MBR1045ULPS SBR (45V, 10A @ 90°C)
Standby PWM Controller Excelliance MOS EM8569

Photos
Top sidePower specifications label

Section F: Uncertainty

Efficiency Uncertainty Estimation

F.1 General Statement

Measurement uncertainty associated with the reported results was evaluated and estimated in accordance with JCGM 100:2008 (Guide to the Expression of Uncertainty in Measurement — GUM) and ISO/IEC 17025:2017, Clauses 7.6 and 7.2.

The uncertainty budget accounts for all significant identified contributors arising from the measurement process, instrumentation, test conditions, and operator interaction.

The reported expanded uncertainty U is obtained by multiplying the combined standard uncertainty uc by a coverage factor k = 2, corresponding to a confidence level of approximately 95 %, assuming a normal probability distribution.

Unless otherwise stated, the reported uncertainty applies only to the specific measurements performed and does not include long-term drift, aging effects, or future environmental changes.

F.2 Expanded Measurement Uncertainty by Measurement Type

Measurement Expanded Uncertainty U (k=2, norm)
Efficiency ±0.18%
Timings ±0.48ms
Power Excursions (Transient Response) ±0.1V
Conducted EMI Emissions (150 kHz – 30 MHz) ±2.35 dBμV
Noise Output ±1.23 dB