This power supply has four Schottky rectifiers on its secondary.

The +12 V output is produced by two STPS6045CW Schottky rectifiers connected in parallel. Since each one supports up to 60 A at 150º C we have a maximum theoretical current for the +12 V output of 120 A or 1,440 W. Of course the maximum current (and thus power) this line can really deliver will depend on other components, especially the transformer, the coil, the capacitors and the wire gauge used.

The +5 V output is produced by one STPS60L30CW Schottky rectifier, which supports up to 60 A at 130º C. So the maximum theoretical power the +5 V output can deliver is of 300 W. Of course the maximum current (and thus power) this line can really deliver will depend on other components, especially the transformer, the coil, the capacitor and the wire gauge used, as we mentioned before.

And the +3.3 V output is produced by another STPS60L30CW Schottky rectifier, which supports up to 60 A at 130º C. So the maximum theoretical power the +3.3 V output can deliver is of 198 W. Of course the maximum current (and thus power) this line can really deliver depends on other factors, as mentioned.

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Figure 12: +12 V rectifier, +5 V rectifier and +3.3 V rectifier. The other +12 V rectifier is on the other side of the heatsink.

This power supply uses a HY-510N monitoring integrated circuit, which is in charge of the power supply protections, like OCP (over current protection). OCP was really activated, as we will talk about later.

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Figure 13: HY-510N monitoring integrated circuit.

This power supply uses a very small semiconductor thermal sensor, located under the main transformer secondary, see Figure 14. This sensor is used to control the fan speed according to the power supply internal temperature and to shut down the power supply in an overheating situation, if the power supply implements over temperature protection (OTP), which isn’t the case of Silencer 750 Quad.

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Figure 14: Thermal sensor.

This power supply uses only Japanese electrolytic capacitors from Chemi-Con, which is great (Japanese capacitors are the best). The active PFC capacitor is rated at 85º C while the secondary capacitors are rated at 105º C.