[TechAssist] Re: Philips HOT BU2508DF Mis-labeled
- From: "George" <grndmstrg@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 31 Mar 2004 00:53:18 -0800
Oh,Oh, Check for fakes!
George
Afana Electronics
Moreno Valley, CA
----- Original Message -----
From: "Corey Brazell" <cohbraz@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, March 30, 2004 1:35 PM
Subject: [TechAssist] Re: Philips HOT BU2508DF Mis-labeled
> That's what it said on PartSeeker, but when I ordered it, it subbed to
that
> BU2508DF.
>
> Regardless, any BU2508DF should have the dampening diode and biasing
> resistor; I have several older BU2508DF that do and read 40 ohms. But,
> these new ones that I ordered that all have the same date code not have
> that resistor. There is around a 2 Meg Ohm resistance between Base and
> Emitter.
>
> So, I have two different BU2508DF transistors. Older ones that are
correct,
> and newer ones that do not have the biasing resistor.
>
> Also, I just noticed that the new DF's don't look the same as the older
> ones. It looks like they have been re-stamped. The front of these look as
> if they have been fine-sanded to a smooth even surface and then stamped.
My
> older DF's Have three round indentions on the front face. One in the
middle
> near the bottom, and two toward the top near each side. These new ones are
> smooth all the way across. As a matter of fact, I have one that is stamped
> on both sides!
>
> Corey Brazell
> Audio Video Electronics
> 12169 SC Hwy 121
> Newberry SC 29108
>
>
> > [Original Message]
> > From: Intrepid Video Support <support@xxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Date: 3/30/2004 3:29:48 PM
> > Subject: [TechAssist] Re: Philips HOT BU2508DF Mis-labeled
> >
> > Corey,
> > Thanks for the information, but that part number is for Philips S2055,
> 610597
> >
> > Jeff Dougherty
> > Intrepid Video TV/VCR
> > 263 S Front St
> > Steelton PA 17113
> > fax...717-564-4952
> > www.intrepid-video.com www.tech-repair.net
> >
> > ----- Original Message -----
> > From: "Corey Brazell" <cohbraz@xxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, March 30, 2004 1:07 PM
> > Subject: [TechAssist] Philips HOT BU2508DF Mis-labeled
> >
> >
> > I have received two separate shipments of these BU2508DF transistors
from
> > Philips, and the transistors do not have the built-in Base-Emitter bias
> > resistor. They seem to be a BU2508AF. The transistors in both shipments
> > have the same date code: 0231 C2
> >
> > Philips is now running a Stock Check on these parts. They may also be
> under
> > part number 4835 130 47897.
> >
> > If you have any of these type HOTs, check them!
> >
> >
> > Corey Brazell
> > Audio Video Electronics
> > 12169 SC Hwy 121
> > Newberry SC 29108
> >
> >
> >
> >
> >
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