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Old 17th August 2008, 03:33 PM   #1
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Default where to buy components?

i am just wondering if anyone can recommend a place to try and purchase parts and pieces from. so far i have only heard of mouser.com.

or if i should be loyal to any specific manufacturer? like texas instruments or fairchild when i have a choice.

where do you buy from and why?
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Old 17th August 2008, 04:29 PM   #2
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digikey.com
mcminone.com
componentsuperstore.com

I prefer International Rectifier/Vishay for FETs. For BJTs, I prefer On-Semi. Never use NTE or similar parts. I've seen a very high rate of failure for Central Semiconductor parts.
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Old 19th August 2008, 05:20 PM   #3
djQUAN is offline djQUAN  Philippines
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Quote:
Originally posted by Perry Babin
digikey.com
mcminone.com
componentsuperstore.com

I prefer International Rectifier/Vishay for FETs. For BJTs, I prefer On-Semi. Never use NTE or similar parts. I've seen a very high rate of failure for Central Semiconductor parts.

I have seen in a store that sells NTE parts. the semicons all appeared as if the original number was sanded off and an NTE number stamped on.
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Old 19th August 2008, 07:16 PM   #4
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That's generally what they do. The problem with using the NTE parts is that you never really know what part you're installing. Many times, they'll have one part number to cover many other parts (all with slightly different specs).

With class D amps and switching power supplies, it's often important to use precisely the same part as the original. Very small changes in the electrical characteristics can make a huge difference. In some class D amps, transistors that have been changed VERY slightly by the manufacturer will not work properly, even though the parts have the same number and essentially the same specs.

NTE may have been OK in the 70s and may still be OK for TV repair but they are not a reliable sub for many of the newer amplifiers.
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Old 24th August 2008, 09:40 AM   #5
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Some places I have bought a few things from are:

partsexpress.com
tigerdirect.com
newegg.com

hope this helps
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Old 26th August 2008, 06:21 PM   #6
MartyM is offline MartyM  United States
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I've found some interesting things on eBay, some sellers were from the USA, some in Canada like you, and a few in China & Thailand.

Generally I get harder to get parts from Digi-Key, Mouser, Parts Express, and things like a few ICs and microcontrollers (PICs especially) from eBay for my low-quantity projects.

There is a seller from Canada (DIPMICRO) with pretty neat proto boards.

Also, I've gotten a few things cheap from Futurlec.com but the shipping is terribly slow!
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