Where to Buy SL100 Transistor or Equivalent in the Philippines for Battery Charger Project

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#1 21659250 28 Jul 2011 00:21

Evelyn Benamir Evelyn Benamir

Anonymous

Post #1
21659250 28 Jul 2011 00:21

Greetings! Where can I buy sl100 transistor or its equivalent in the Philippines? My son needs this sl100 transistor to complete his mobile phone battery charger.
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#2 21659251 28 Jul 2011 06:46

Olin Lathrop Olin Lathrop

Anonymous

Post #2
21659251 28 Jul 2011 06:46

I don't know what a SL100 transistor is. Show the parameters you care about and there will likely be a common part that does what you need.
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#3 21659252 28 Jul 2011 08:34

Praveen Kumar Avala Praveen Kumar Avala

Anonymous

Post #3
21659252 28 Jul 2011 08:34

sir,
you can find this in alldatasheets.com or findchips.com. once please visit the website that might me helpful.
#4 21659253 28 Jul 2011 09:31

Olin Lathrop Olin Lathrop

Anonymous

Post #4
21659253 28 Jul 2011 09:31

No. I'm not going to chase down a datasheet for something you should be supplying information for. That's your responsibility.

Besides, a datasheet will tell me all the parameters of a part, not which ones you care about. Finding a substitute that meets or exceeds all parameters could be difficult. However, no design relies on the outer values of all parameters. Finding a substitute that meets your needs is likely a lot easier.
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#5 21659254 28 Jul 2011 10:33

Cody Miller Cody Miller

Anonymous

Post #5
21659254 28 Jul 2011 10:33

I think that you have a typo in the part number. Where did you get that part number? Send a link or upload the schematic.
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#6 21659255 29 Jul 2011 16:53

David Deleonardo David Deleonardo

Anonymous

Post #6
21659255 29 Jul 2011 16:53

Olin:

I re-read the chain here and I think Praveen was advising the person that asked the question originally (Evelyn) to go to those sites to get the datasheets.

Still, your point is very well taken: without knowing what they care about, there is no way to really recommend "an equivalent".

Plus, as Cody M. points out in a subsequent post, I suspect there is a typo in the part number. Likely confused case markings with part number which are not always the same...
#7 21659256 29 Jul 2011 19:58

Olin Lathrop Olin Lathrop

Anonymous

Post #7
21659256 29 Jul 2011 19:58

Oh, I see that now. I didn't notice there were two different people. It didn't help that he addressed his comment to "sir", instead of "olin" or "Evelyn".

In any case, we still need to know what parameters of the transistor are required for the circuit. Most likely there are many possible substitutes, but without parameters it's hard to know.
#8 21659257 29 Jul 2011 22:31

Praveen Kumar Avala Praveen Kumar Avala

Anonymous

Post #8
21659257 29 Jul 2011 22:31

David,
you were right, i was addressing "evelyn", to visit the website. thank u for solving the issue.
#9 21659258 30 Jul 2011 01:25

Evelyn Benamir Evelyn Benamir

Anonymous

Post #9
21659258 30 Jul 2011 01:25

Sir:

Follow-up to the transistor sl100. One of the reference of my son to his mobile phone project is http://www.electronicsforu.com/EFYLinux/circuit/mar2004/Cir-01-mobile-charger.pdf

Any replacement or alternate to sl100 transistor that can be bought in the Philippines to be used in his project will be greatly appreciated.

Thank you.
#10 21659259 30 Jul 2011 01:51

Dennis Bauer Dennis Bauer

Anonymous

Post #10
21659259 30 Jul 2011 01:51

How about the CL100? that seems the same, but the best way is just go to electronic parts seller and ask if they have something similar, because i don't know what is availlable in the Phillipines
#11 21659260 30 Jul 2011 07:28

Olin Lathrop Olin Lathrop

Anonymous

Post #11
21659260 30 Jul 2011 07:28

Just about any medium power NPN transistor will do there. This is not a demanding application. You want a package that can dissipate some heat, but it doesn't need to be excessive since the current it limited to 120mA. I keep TIP41 transistors around for such applications, but just about any NPN in a TO-220 package can do this job.
#12 21659261 30 Jul 2011 08:54

Alec Alec

Anonymous

Post #12
21659261 30 Jul 2011 08:54

Ah, TIP41 BJTs. Ubiquitous, versatile, and made by a half-dozen or more semiconductor manufacturers so you can pretty much always find some.

I fondly remember using them in college Electronics labs not so long ago as simple transistor signal amplifiers. And once for what turned out to be a very not LDO linear regulator (Vce saturation spec not so awesome for that application).

Although it looks like the Pb free monster is getting its claws on them and the manufacturers are going to stop shipping the old ones and now only do ones with lead free caveats in the part number. Oh well, I guess I can at least use that as an excuse for my ugly solder jobs.
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Topic summary

The discussion centers on sourcing the SL100 transistor or an equivalent for a mobile phone battery charger project in the Philippines. Participants highlight the need for detailed transistor parameters to identify suitable substitutes, as the exact SL100 part number may be a typo or unclear. Suggested alternatives include common medium power NPN transistors in TO-220 packages, such as the TIP41, which can handle the required current (~120mA) and dissipate heat adequately. The CL100 transistor is also mentioned as a possible equivalent. Resources like alldatasheets.com and findchips.com are recommended for datasheet lookup. The consensus is that many general-purpose NPN transistors can fulfill the role, and local electronic parts sellers may offer suitable replacements.
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Where to Buy SL100 Transistor or Equivalent in the Philippines for Battery Charger Project

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