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Transistor question if you know electronics please help!

 
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bruiserman
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PostPosted: Thu Jul 21, 2005 9:51 pm    Post subject: Transistor question if you know electronics please help! Reply with quote

I need to replace a couple transistors and I have the numbers but don't know where to purchase them or what the numbers mean.
The numbers on the transistor are:

K30A
Y 5H <--- It looks just like that

If you have any ideas on what this all means that would be helpful as well as where I could buy two of these or if there are other transistros that would be compatible.

These are used in a Bass Guitar's active pickup board.
Thanks in advance
Brian
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Ray
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PostPosted: Fri Jul 22, 2005 3:11 am    Post subject: Reply with quote

More likely smal signal JFET transistor 2SK30A --- rather reliable device

How do you know they are bad? especially in a P/U ckt Question

Ray
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PostPosted: Sat Jul 23, 2005 2:13 am    Post subject: Reply with quote

I had a friend that thought the transistor went bad. He does know a bit about electronics but not sure exactly how much. The instrument was not working. So I tried replacing them. The transistors I put in seem to work ok but I will go find the ones your talking about. I have seen those. Yesterday I found the real reason for the bass guitar not working and it wasn't the transistors. Seems it had a controller that was grounding out. The inside of the guitar was lined with aluminum tape and that seemed to be causing the problem. I took the tape out and rewired a bit and now it works even with these other transistors I bought. Don't think they are exactly right though. Should have it fixed soon. Thanks for the info.
B
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