A Look Inside

Before reading this page we strongly suggest to take a look at this article, which will help you understand the internal components of a PSU much better.


The OEM of CSP-X1000CB (and of all other CSP models) is Andyson.


As usual the first part of the EMI/transient filtering stage starts at the AC receptacle, with one X and two Y capacitors. The filtering stage continues to the main PCB with an MOV, two coils, one X and two Y capacitors.


The bridge rectifier is sandwiched between two heatsinks. In the APFC stage we find two mosfets (32N50C3) and the smoothing capacitor (provided by Matsushita, 105°C, 560µF, 420V). The combo PFC/PWM controller resides in a vertical daughter-board and is a Champion CM6800. As main switches we meet two 32N50C3 again.


In the secondary side, for the generation of +12V, a "synchronous" design is used so six ME80N08A mosfets replace the less efficient SBRs (Schottky Barrier Rectifiers). The minor rails are generated by +12V with the use of two DC-DC converters. Each DC-DC converter has an APW7073 (Synchronous Buck) PWM controller and four ME75N03 mosfets. All filtering capacitors in the secondary are provided by TEAPO and are rated at 105°C. The protections integrated circuit is an PS232S.


On the modular PCB there are some extra filtering (polymer) capacitors.


Soldering quality on the main and the modular PCB is good enough. However some leads on the solder side of the main PCB are very sharp (I cut my finger on one of them!).


The cooling fan is provided by Young Lin Tech. The model number is DFB132512H and it's rated for 3W.