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softm
Joined: 27 Jul 2008 Posts: 1
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Posted: Sun Jul 27, 2008 1:25 pm Post subject: Replacing of complimentary pair kb688/kd718 |
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Have an broken car audio amplifier Prology Av-470. In output circle of it was used an complimentary pair of transiztors: kd718+kb688.
Want to replace this two with more powerfull transistors in same body (TO-3P).
Have anyone idea which transistors with P~80-100W or more, i can use?
Thanks! |
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vtech
Joined: 08 May 2006 Posts: 1264 Location: USA
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Posted: Sun Jul 27, 2008 4:26 pm Post subject: Re: Replacing of complimentary pair kb688/kd718 |
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softm wrote: | Have an broken car audio amplifier Prology Av-470. In output circle of it was used an complimentary pair of transiztors: kd718+kb688.
Want to replace this two with more powerfull transistors in same body (TO-3P).
Have anyone idea which transistors with P~80-100W or more, i can use?
Thanks! |
Depending on what part of the world you are and what is available to you, best to look at the datasheet and find the closest match. Those are actually 2SD718 & 2SB688 matched pairs. (disregard the k)
http://www.mospec.com.tw/pdf/power/2SD718.pdf
http://www.mospec.com.tw/pdf/power/2SB688.pdf
There are many ways to search. for example, "Onsemi" has a good parametric search
http://www.onsemi.com/ |
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