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What is this ?

 
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facts



Joined: 15 Mar 2008
Posts: 6
PostPosted: Sun Jan 17, 2010 8:50 pm    Post subject: What is this ? Reply with quote
Hey all can anyone tell me what this is ? it's out of a magnavox tv converter box mod# TB110WM9 . It's a nec part # 2561A . I cant cross it at all, it's a small 4 leg ic. i need values. thanks in adv.
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jts1957



Joined: 24 Nov 2008
Posts: 2476
Location: Far, Far Away
PostPosted: Sun Jan 17, 2010 9:10 pm    Post subject: Reply with quote
Photocoupler.

http://www.datasheet4u.com/html/2/5/6/2561_NEC.pdf.html
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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA
PostPosted: Sun Jan 17, 2010 9:28 pm    Post subject: Re: What is this ? Reply with quote
facts wrote:
Hey all can anyone tell me what this is ? it's out of a magnavox tv converter box mod# TB110WM9 . It's a nec part # 2561A . I cant cross it at all, it's a small 4 leg ic. i need values. thanks in adv.


Add a PS in front of the number; it is an optoisolator used in in various switch mode power supplies. Should not be hard to get but can be subbed w the ONxx series if needed.

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saurabh1985



Joined: 18 Jan 2010
Posts: 1
PostPosted: Mon Jan 18, 2010 1:35 pm    Post subject: Electronics General Reply with quote
Which type table given u.can u tell me please.
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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA
PostPosted: Mon Jan 18, 2010 7:14 pm    Post subject: Re: Electronics General Reply with quote
saurabh1985 wrote:
Which type table given u.can u tell me please.


The table is the datasheet from NEC
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