Will this work?

bowdown · 12th August 2005, 04:20 AM

Hi guys just wandering if this would work, I have an amp that uses tip29c/tip30c in part of the power supply, i have on hand tip2955/3055. Just wandering if they will work, Seems to be ok on the datasheet but just wanted to double check.

TIP2955/3055

http://pdf.alldatasheet.com/datashee...S/TIP2955.html

TIP29/30

http://pdf.alldatasheet.com/datashee...CS/TIP29C.html

THANX

Bowdown

Stocker · 12th August 2005, 04:53 AM

you want to swap the latter in place of the former?

clem_o · 12th August 2005, 04:57 AM

Yep, looks alright to swap: same pinouts; 2955/3055 specs higher or at least equal in all aspects. Verify correct operation after putting in new part, making sure the higher current gain (beta) and resulting bw and open-loop gain doesn't cause the output of the regulator to ring (normally shouldn't since most PS systems are swamped with capacitance).

Cheers

bowdown · 12th August 2005, 06:02 AM

Yeah i want to swap them as the tip29 is shorted out so i was going to replace bothe the 29 and the 30 ithe the 2955 and 3055.

thanx for the info clem i will replace them with the 2955/3055.

Regards

Bowdown

12th August 2005, 04:20 AM	#1
bowdown diyAudio Member Join Date: Feb 2004 Location: Perth	Will this work? Hi guys just wandering if this would work, I have an amp that uses tip29c/tip30c in part of the power supply, i have on hand tip2955/3055. Just wandering if they will work, Seems to be ok on the datasheet but just wanted to double check. TIP2955/3055 http://pdf.alldatasheet.com/datashee...S/TIP2955.html TIP29/30 http://pdf.alldatasheet.com/datashee...CS/TIP29C.html THANX Bowdown

12th August 2005, 04:53 AM	#2
Stocker diyAudio Member Join Date: Dec 2003 Location: Austin	you want to swap the latter in place of the former? __________________ Jesus loves you.

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12th August 2005, 04:57 AM	#3
clem_o diyAudio Member Join Date: Jun 2005 Location: Manila	Yep, looks alright to swap: same pinouts; 2955/3055 specs higher or at least equal in all aspects. Verify correct operation after putting in new part, making sure the higher current gain (beta) and resulting bw and open-loop gain doesn't cause the output of the regulator to ring (normally shouldn't since most PS systems are swamped with capacitance). Cheers

12th August 2005, 06:02 AM	#4
bowdown diyAudio Member Join Date: Feb 2004 Location: Perth	Yeah i want to swap them as the tip29 is shorted out so i was going to replace bothe the 29 and the 30 ithe the 2955 and 3055. thanx for the info clem i will replace them with the 2955/3055. Regards Bowdown

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