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Teardown & Component Analysis
Before proceeding with this page we strongly encourage you to a look at our PSUs 101 article, which provides valuable information about PSUs and their operation, allowing you to better understand the components we're about to discuss.
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| General Data | |
|---|---|
| Manufacturer (OEM) | CWT |
| Primary Side | |
| Transient Filter | 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV |
| Inrush Protection | NTC thermistor & relay |
| Bridge Rectifier(s) | 2x GBU1506 (600V, 15A @ 100°C) |
| APFC MOSFETs | 2x Infineon IPA60R125C6 (650V, 19A @ 100°C, 0.125Ω) 1x SPN5003 FET (for reduced no-load consumption) |
| APFC Boost Diode | 1x CREE C3D08060A (600V, 8A @ 152°C) |
| Hold-up Cap(s) | 2x Nichicon (400V, 470uF each or 940uF combined, 2000h @ 105°C, GG) |
| Main Switchers | 2x Infineon IPA60R190P6 (650V, 12.7A @ 100°C, 0.190Ω) |
| APFC Controller | Champion CM6500UNX |
| Switching Controller | Champion CM6901X |
| Fan Controller | PIC16F1503 |
| Topology | Primary side: Half-bridge & LLC resonant controller Secondary side: Synchronous rectification & DC-DC converters |
| Secondary Side | |
| +12V MOSFETs | 6x International Rectifier IRFH7004TRPBF (40V, 164A @ 100°C, 1.4mΩ) |
| 5V & 3.3V | DC-DC Converters: 6x QM3006D (30V, 57A @ 100°C, 5.5mΩ) PWM Controller: Anpec APW7159 |
| Filtering Capacitors | Electrolytics: Nippon Chemi-Con (1-5000 @ 105°C, KZE), Nippon Chemi-Con (4-10,000 @ 105°C, KY) Polymers: FPCAP |
| Supervisor IC | Weltrend WT7502 (OVP, UVP, SCP, PG) & LM393G |
| Fan Model | NR135L (12V, 0.22A, Rifle Bearing) |
| 5VSB Circuit | |
| Rectifier | SD04N65A, QM3004D, LS64 10L45 SBR |
| Step-Down Converter | AME5268 |
| Standby PWM Controller | On-Bright OB5269CP |
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