Electronics > Beginners
Power Schottky rectifier bad need replacement
luke9511:
hey everyone i hope you are all well, i am attempting to repair a 50k model playstation 2 fat console and i have found that the Power Schottky rectifier is bad and needs to be replaced, here is the datasheet for it https://www.alldatasheet.com/datasheet-pdf/pdf/227512/STMICROELECTRONICS/STPS30L60CT.html,
i have an old pc power supply and was wondering if i could use the same part from it to fix this console?
the voltages on the power supply for the console are AC 120V~1.7A input and output DC 12v 7.2a
here are the datasheets for the parts from the pc power supply, if none work let me know and i will just buy a direct replacement
1. https://pdf1.alldatasheet.com/datasheet-pdf/view/251944/VISHAY/V40100C.html
2. https://www.alldatasheet.com/datasheet-pdf/pdf/221219/STMICROELECTRONICS/LM317T.html
3. https://www.alldatasheet.com/datasheet-pdf/pdf/88595/STMICROELECTRONICS/L7912CV.html
4. https://www.st.com/resource/en/datasheet/stps30l60c.pdf
thanks for any help and advice
digsys:
The STPS30L60C is a slightly different package to the STPS30L60CT (original), so see if it fits ok. The V40100C is close enough and should work fine - similar enough specs.
Not sure why you listed the LM317 and LM7912? They are not shottky pairs, just linear regulators.
luke9511:
still a newb to trying to figure out what things are etc, i did pull the part and got it installed but when i do a continuity test on it after its soldered in i get a beep on all three pins, does this mean its bad or there is a short some where?
digsys:
OK no worries, you've come to the right place. Since it is already soldered in, it becomes a bit "trickier" - refer following pic
You put the meter in diode test mode - Pos (Red) on A1 (Anode) with Neg (Black) on K (Kathode). You should see app 0.4V. Switch Pos to A2 and it should be the same !
If you reverse the leads, it should be open cct = same readings as with leads free.
In circuit, there is no way to predict what you'll see, as the "test voltage" may trigger other components or charge up caps or connect to chokes etc etc. Only experience may help here, BUT it should be a similar pattern ie 1 set higher / the other lower, and definitely not 0V. See how you go
wraper:
--- Quote from: digsys on February 11, 2020, 08:04:51 am ---The STPS30L60C is a slightly different package to the STPS30L60CT (original), so see if it fits ok.
--- End quote ---
STPS30L60C is a general name of the part with zero information about package of which there are 6 variants. CT is TO-220, instead of that CTN can be used which is variant of TO-220 with narrow leads.
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