Replacement Regulators for 7805, 7815 & 7915?

goody75 · 6th July 2011, 06:33 PM

I need to replace 3 voltage regulators in a receiver that I'm refurbishing (7805,7815 & 7915). They are all TO-220 style.

There are lots of manufacturers and prices range from $0.50 to several dollars American. Can anyone recommend either a manufacturer for these (if it makes a difference) or a better alternative regulator?

indianajo · 6th July 2011, 06:57 PM

Fairchild invented the things, I think they are selling them again, under National Semi ownership, now TI. Other quality IC brands I've used lately, TI, On, ST, NJM. LM34x regulators have better regulation but are not pin compatible mostly.

Enzo · 6th July 2011, 11:09 PM

The cheap commodity ones like from Mouser for under a dollar work just fine. No need at all to spend several dollars each.

Conrad Hoffman · 6th July 2011, 11:16 PM

IMO, it's the parts around the reg like bypass caps that are more important than the reg itself. I think Linear Technology had/has some improved spec pin compatible parts. LM320 and LM340 are also considered better parts.

quadtech · 7th July 2011, 03:34 AM

There are plenty of drop-in "improved" replacements,
which have been discussed here and on other audio forums.
Just a few from my links -

Shunt Regulator
Effective Audio Mods ------- EA Ultima Regulators
NewClassD UWB Regulator
Audiocom International
Fidelity Audio : SPower low noise voltage regulators
PCB for teddy's 'Regulator booster' - Page 3 - pink fish media
Input please - Building a better PSU for my Starfish - Page 4 - pink fish media
The best regulator I've built so far - pink fish media

Hear it in the one drop

Switchmode 3 terminal regulator kit [3PINSWITCHMODE] : LEDsales. LEDs, LED products and other cool stuff.

6th July 2011, 06:33 PM	#1
goody75 diyAudio Member Join Date: Apr 2010 Location: Motown (area)	Replacement Regulators for 7805, 7815 & 7915? I need to replace 3 voltage regulators in a receiver that I'm refurbishing (7805,7815 & 7915). They are all TO-220 style. There are lots of manufacturers and prices range from $0.50 to several dollars American. Can anyone recommend either a manufacturer for these (if it makes a difference) or a better alternative regulator?

6th July 2011, 06:57 PM	#2
indianajo diyAudio Member Join Date: Jan 2010 Location: Jeffersonville, Indiana USA	Fairchild invented the things, I think they are selling them again, under National Semi ownership, now TI. Other quality IC brands I've used lately, TI, On, ST, NJM. LM34x regulators have better regulation but are not pin compatible mostly. __________________ Dynakit ST70, ST120, PAS2,Hammond H182(2 ea),H112,A100,10-82TC,Peavey CS800S,SP2-XT's, T-300 HF Projs, Steinway console, Herald RA88a mixer, Wurlitzer 4500

6th July 2011, 11:16 PM	#4
Conrad Hoffman diyAudio Member Join Date: Mar 2007 Location: Canandaigua, NY USA	IMO, it's the parts around the reg like bypass caps that are more important than the reg itself. I think Linear Technology had/has some improved spec pin compatible parts. LM320 and LM340 are also considered better parts. __________________ I used to be an audiophool like you but then I took an arrow to the knee.

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6th July 2011, 11:09 PM	#3
Enzo diyAudio Member Join Date: Sep 2004 Location: Lansing, Michigan	The cheap commodity ones like from Mouser for under a dollar work just fine. No need at all to spend several dollars each.

7th July 2011, 03:34 AM	#5
quadtech diyAudio Member Join Date: Oct 2007	There are plenty of drop-in "improved" replacements, which have been discussed here and on other audio forums. Just a few from my links - Shunt Regulator Effective Audio Mods ------- EA Ultima Regulators NewClassD UWB Regulator Audiocom International Fidelity Audio : SPower low noise voltage regulators PCB for teddy's 'Regulator booster' - Page 3 - pink fish media Input please - Building a better PSU for my Starfish - Page 4 - pink fish media The best regulator I've built so far - pink fish media Hear it in the one drop Switchmode 3 terminal regulator kit [3PINSWITCHMODE] : LEDsales. LEDs, LED products and other cool stuff.

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