Sanken 2SC2922 - max peak current delivery.

beppe61 · 26th January 2006, 07:37 AM

Dear Sirs,

looking at the Sanken 2SC2922's datasheet I cannot find a value of the max peak current available from it.
Do anyone have an idea?

Moreover I am looking for extremely simply schematics (minimum number of active devices) of power amps of about 50-70 W/8 ohm using just a single output pair 2SC2922/2SA1216 (something like the LCAudio Millenium XP power amp of which I could not find the schematic).

Thank you very much indeed.

Kind regards,

beppe

richie00boy · 26th January 2006, 10:25 AM

The peak current will be listed somewhere on the datasheet. The trouble is that a peak means a brief incursion into some value, the longer the duration the less the current can be allowed. Your best bet would be to examine the safe operating area (SOA) curves.

The Millenium schematic is available on the LC Audio website in the Millenium cookbook pdf. Also bear in mind that minimum number of devices does not always mean best. Unless every stage is extremely linear the results will be worse IMO than a more complex but linear design.

gfinlayson · 26th January 2006, 10:34 AM

According to the datasheet I found, Ic absolute max rating is 17 A, at an ambient temperature of 25ºC.

http://www.ampslab.com/PDF/2sc2922.pdf

beppe61 · 26th January 2006, 11:56 AM

Dear Sirs,

thank you sincerely for your very kind and valuable help.
I would like to kindly redirect you to the solid state forum where a similar discussion has already generated interesting contributions.

Thank you very much indeed.

Kind regards,

Beppe

26th January 2006, 07:37 AM	#1
beppe61 diyAudio Member Join Date: Feb 2005 Location: torino	Sanken 2SC2922 - max peak current delivery. Dear Sirs, looking at the Sanken 2SC2922's datasheet I cannot find a value of the max peak current available from it. Do anyone have an idea? Moreover I am looking for extremely simply schematics (minimum number of active devices) of power amps of about 50-70 W/8 ohm using just a single output pair 2SC2922/2SA1216 (something like the LCAudio Millenium XP power amp of which I could not find the schematic). Thank you very much indeed. Kind regards, beppe

26th January 2006, 10:25 AM	#2
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	The peak current will be listed somewhere on the datasheet. The trouble is that a peak means a brief incursion into some value, the longer the duration the less the current can be allowed. Your best bet would be to examine the safe operating area (SOA) curves. The Millenium schematic is available on the LC Audio website in the Millenium cookbook pdf. Also bear in mind that minimum number of devices does not always mean best. Unless every stage is extremely linear the results will be worse IMO than a more complex but linear design. __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

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26th January 2006, 10:34 AM	#3
gfinlayson diyAudio Member Join Date: Jan 2006 Location: Aylesford, Kent, England	According to the datasheet I found, Ic absolute max rating is 17 A, at an ambient temperature of 25ºC. http://www.ampslab.com/PDF/2sc2922.pdf

26th January 2006, 11:56 AM	#4
beppe61 diyAudio Member Join Date: Feb 2005 Location: torino	Dear Sirs, thank you sincerely for your very kind and valuable help. I would like to kindly redirect you to the solid state forum where a similar discussion has already generated interesting contributions. Thank you very much indeed. Kind regards, Beppe

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