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13th November 2005, 11:42 PM
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#1 |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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µPA75V and µPA74V data
dual transistors in SIL (?) package
need data,info blah blah TIA
__________________
my Papa is smarter than your Nelson ! tnx to  clean  thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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14th November 2005, 12:27 AM
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#2 |
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diyAudio Member
Join Date: Jul 2004
Location: nowhere of interest
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14th November 2005, 12:59 AM
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#3 |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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tnx!
mea culpa- I searched with "mi" , "U" just didn't crossed my mind 
__________________
my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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16th November 2005, 01:32 PM
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#4 |
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diyAudio Member
Join Date: Dec 2004
Location: Rock Ridge
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In Japanese, but something... you'll need to create a login, but it's free
http://www.bdent.com/search/part.jsp?partnum=UPA75V
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Twisted Pear Audio |
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16th November 2005, 03:15 PM
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#5 |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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__________________
my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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16th November 2005, 09:39 PM
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#6 |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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bingo!
but- I still need help from our Japanese members : TIA
__________________
my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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17th November 2005, 01:04 PM
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#7 |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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Part Number = UPA74V
Description = Si NPN Lo-Pwr Bipolar Junction Transistor Manufacturer = NEC V(BR)CEO (V) = 80 V(BR)CBO (V) = 80 I(C) Abs.(A) Collector Current = 50m Absolute Max. Power Diss. (W) = 300m I(CBO) Max. (A) = 1.0u h(FE) Min. Static Current Gain = 150 @I(C) (A) (Test Condition) = 0.1 @V(CE) (V) (Test Condition) = 6.0 C(obo) (Max) (F) = 2.5p Status = Discontinued Package = ZIP Military = N Part Number = UPA75V Description = Si PNP LP HF Bipolar Junction Transistor Manufacturer = NEC V(BR)CEO (V) = 80 V(BR)CBO (V) = 80 I(C) Abs.(A) Collector Current = 50m Absolute Max. Power Diss. (W) = 300m I(CBO) Max. (A) = 1.0u h(FE) Min. Static Current Gain = 150 @I(C) (A) (Test Condition) = 0.1 @V(CE) (V) (Test Condition) = 6.0 f(T) Min. (Hz) Transition Freq = 300M C(obo) (Max) (F) = 4.0p Status = Discontinued Package = ZIP Military = N
__________________
my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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30th May 2008, 07:57 PM
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#9 |
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diyAudio Member
Join Date: Dec 2004
Location: Rock Ridge
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Not that I am aware of, but the originals are apparently still available at BDent (link above)
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Twisted Pear Audio |
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30th May 2008, 07:58 PM
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#10 | |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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Quote:
matched and temp connected (face to face ) : pair of BC546C - for UPA74V pair of BC556C - for UPA75V good enough - at least for audio use that's for Europe ; for other parts of world - find adequate substitutes
__________________
my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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