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Teardown & Component Analysis
Before proceeding with this page we strongly encourage you to a look at this article, which will provide you valuable information about PSUs and their operation, allowing you to understand better the information given below.
|Platform Model||No info (platform exclusively used by be quiet!)|
|Transient Filter||4x Y caps, 2x X caps, 2x CM chokes, 1x MOV|
|Inrush Protection||NTC thermistor & relay|
|Bridge Rectifier(s)||2x GBJ2506 (600V, 25A @ 100°C)|
|APFC MOSFETs||3x STMicroelectronics STF28N60M2 (600V, 14A @ 100°C, 0.15Ω)|
|APFC Boost Diode||1x ROHM SCS308AP (600V, 8A @ 135°C)|
|Hold-up Cap(s)||2x Nichicon (420V, 470uF, 3000h @ 105°C, GN)|
|Main Switchers||2x STMicroelectronics STF33N60M2 (650V, 16A @ 100°C, 0.125Ω)|
|APFC Controller||Infineon ICE2PCS02|
|Resonant Controller||Champion CM6901|
|Topology||Primary side: Half-bridge & LLC resonant controller Secondary side: Synchronous rectification & DC-DC converters|
|+12V MOSFETs||6x Toshiba TPHR85 04PL (SOP Advance Series, 40V, 150A @ 25°C, 0.85Ω)|
|5V & 3.3V||DC-DC Converters: 6x DMN3009SK3 (30V, 60A @ 70°C, 5.5mΩ) PWM Controller: 1x Anpec APW7159C|
|Filtering Capacitors||Electrolytics: Nippon Chemi-Con (1-5000 @ 105°C, KZE), Rubycon (6-10,000 @ 105°C, ZLH), Rubycon (3-6000 @ 105°C, ZLH), Rubycon (4-10,000 @ 105°C, YXF) Polymers: FPCAP, Chemi-Con|
|Supervisor IC||Weltrend WT7579 (OVP, UVP, SCP, PG)|
|Fan Model||BQ SIW3-13525-HF-26 (135mm, 12V, 0.56A, 2600 RPM, fluid dynamic bearing)|
|Rectifier||1x DMN6040SK3 (30V, 13A @ 100°C, 40mΩ)|
|Standby PWM Controller||Power Integrations InnoSwitch-EP INN2603K|
Straight Power 11 PSUs use an FSP platform that's currently only available to be quiet!. Besides the high soldering quality and clean design, what catches our eyes most is FSP's choice of bulk capacitors. We're not used to seeing bulk caps with 3000-hour lifetimes, even in higher-end PSUs. It's much more common to find 2000-hour caps. A number of polymer caps on the secondary side, along with electrolytic caps from reputable brands, are a good indication of this platform's expected reliability over time.
The following video shows the E11-1000’s internals:
Here are some photos showing the PSU’s major parts.
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Aris Mpitziopoulos is a Contributing Editor at Tom's Hardware US, covering PSUs.