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Dear all, i have a problems with the monitors, with the horizental transistor C5929 , and mosfet sss7n80a, and P9NB50FP , and i could not find these parts in my country , i want to know the equivalant for these transistors , and thank you very much

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You can find nearly any available datasheet at www.alldatasheet.com Hint: the P9NB50FP is a generic and should be from more than one maker. Drop the SSS and search for the generic 7N80A, as the SSS is a specific manufacturer. Add a 2S to search for 2SC5929. Once you know the parts ratings, you can cross them on the site by searching for similarly rated parts. There should be many equivalents.

Posted on Jan 23, 2009

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1 Answer

What is equivalent transistor P9NB50FP please ?


P9NB50FP have a reatting of 9 Amps 500V . You can use any of the moferts which is in the same range or greater. I will be avilabe in same TO220 package.

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It's hard to tell what the problem is without looking at the device itself. A straight-forward solution would be to replace IRF630 with a different MOSFET, that tolerates higher voltages. However, this is not an optimal solution because the problem might be caused by a malfunctioning power supply, a bad filter, etc. It would be of greater help if you provided voltages from the transistor's pins.

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your monitors horizontal deflection side have some problem. you have to check the horizontal width cotrolling transistor mounded on the aluminum heatsik near the lot( line output transistor). also check the three mosfets which adjust the width for different resolutions. there are three such mosfets in the horizontal section.

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ok
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2 Answers

Equivalent of transistor c5929


2SC5929 - Si, NPN, diffused CRT Horizontal Deflection Output Transistor.
Producent - Matsushita/Panasonic
(Absolute Maximum Ratings)

IB=5,5A
Ic=12A
Icpeak=22A
VCB0=1550V
VCE0=600V
Ptot=50W

similiar tx; C5931, C5129, C5587, C5909

Aug 05, 2010 | Computers & Internet

1 Answer

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1 Answer

Well my ACER AL1916B LCD monitor blew up.


The MOSFET that blew up will more likely to have the switch mode driver IC that went out with it also, you need to verify that the IC is good otherwise you will blow up the new MOSFET, you may be better off buying a new board from here: http://www.discount-merchant.com/ProductDetails.asp?ProductCode=1160140&Click=54985
By the time you order the new MOSFET and other parts it may end up more han $35, just a suggestion.

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1 Answer

Hello sir, only horizental single line show in my display, what is this problem?


That is caused by absence of the vertical signal, more likely to be a problem with a semiconductor (specially a transistor) broken inside the display. Also, it may be caused by a "cold joint" or a problem with the solder. Heat caused by the "excessive" use of this monitor causes the joint to fail.

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