2SC2397 Datasheet ?
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Posted by Steve Kavanagh on June 3, 2006, 7:09 am
Please log in for more thread options I'm looking for a data sheet for the 2SC2397. www.datasheetarchive.com appears to have just a 1 line description. Does anyone have more ? Steve | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Phil Allison on June 3, 2006, 7:20 am
Please log in for more thread options "Steve Kavanagh" ** Appears to be an obsolete type. Several references quote the " MJE3055T " as being a replacement with similar or better specs. ...... Phil | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Spehro Pefhany on June 3, 2006, 7:55 am
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On Sat, 3 Jun 2006 21:20:18 +1000, the renowned "Phil Allison" >
>"Steve Kavanagh" >>
>> I'm looking for a data sheet for the 2SC2397. www.datasheetarchive.com >> appears to have just a 1 line description. Does anyone have more ? >> >
> > ** Appears to be an obsolete type. > >Several references quote the " MJE3055T " as being a replacement with >similar or better specs. Gack! Well, you can bolt it in the same place and the pinout is the same, but things kinda fall apart from there.. considering the ft of the 3055 is 2MHz vs 100MHz for the 2SC2397. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Phil Allison on June 3, 2006, 8:40 am
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"Spehro Pefhany" >
>> ** Appears to be an obsolete type.
>> >>Several references quote the " MJE3055T " as being a replacement with >>similar or better specs. >
> Gack! Well, you can bolt it in the same place and the pinout is the > same, but things kinda fall apart from there.. considering the ft of > the 3055 is 2MHz vs 100MHz for the 2SC2397. ** The Motorola " POWER Data Book" of 1982, lists the devices as "similar replacements" - as does the similar " Bipolar Power Transistor Data " of 1987. I found at least 7 web sites, including the ST Microelectronics site, with the same info. Seems some staffer at Motorola made an error in the early 80s and it has gone on and on and on ........ ....... Phil | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Spehro Pefhany on June 3, 2006, 9:10 am
Please log in for more thread options
On Sat, 3 Jun 2006 22:40:39 +1000, the renowned "Phil Allison" >
>"Spehro Pefhany" > >>
>>> ** Appears to be an obsolete type.
>>> >>>Several references quote the " MJE3055T " as being a replacement with >>>similar or better specs. >>
>> Gack! Well, you can bolt it in the same place and the pinout is the >> same, but things kinda fall apart from there.. considering the ft of >> the 3055 is 2MHz vs 100MHz for the 2SC2397. >
> > >** The Motorola " POWER Data Book" of 1982, lists the devices as "similar >replacements" - as does the similar " Bipolar Power Transistor Data " of >1987. > >I found at least 7 web sites, including the ST Microelectronics site, with >the same info. > >Seems some staffer at Motorola made an error in the early 80s and it has >gone on and on and on ........ Maybe someone who was sick of the breaker-breaker-one-nine-rubber-duck CB craze of the day? ;-) Unfortunately lots of references on the 'net may just mean that the stuff was all copied from one source. BTW, any Japanese speakers here? The Japanese characters for Hitachi appear to be only two syllables. The characters would be pronounced "ri4 li4" in Chinese ('sun' or 'day' and 'stand'), maybe "hi ta" in Japanese? Is the "chi" just tacked on in English? Mazda is the opposite-- it's three syllables in Chinese (and probably Japanese as well). And Alps (the component maker)is two syllables in Japanese. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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> I'm looking for a data sheet for the 2SC2397. www.datasheetarchive.com
> appears to have just a 1 line description. Does anyone have more ?
>