Counterfeits again

T

Trevor Wilson

Guest
Well, WES Components is at it again. I was at a mate's workshop the other
day and his TV tech had been tearing his hair out, after replacing BUZ19A
MOSFETs in a TV. He then tried some IRF substitutes (also sourced from WES)
and they blew up as well. Careful examination revealed the leads seemed
thinner than expected. A MOSFET sourced from Farnell solved the problem. Of
course, WES will refund the cost of the blown MOSFETs, but who pays for the
6 hours of frustration?


--
Trevor Wilson
www.rageaudio.com.au
 
Trevor Wilson wrote:
**BUZ19A was one. The other was an IRF number. That is the real worry.
Completely different part numbers, different (alleged) manufacturers, but
the same crappy part. I'll check with my mate tomorrow and report the
details of the other part involved, along with the resolution reached with
WES.
Click to expand...

Any chance of autopsy pics?
 
Trevor Wilson wrote:
**Maybe. They were TO220 packs though. A little hard to pull apart.

[ASIDE] A while ago, my mate posted a pic of a remote control that had
gotten wet. His customer put it in a microwave oven to dry it out......
Click to expand...
Heh: nothing like doing a high frequency test induction test on some
delicate electronics. The only way I've been able to pull a TO220 apart
was to squash it from the sides in a vise. This will pop the plastic off
but also shatter the die inside, at least you can judge the relative
size of it.
 
On Thu, 11 Sep 2008 09:10:07 +1000, "Trevor Wilson"
<trevor@_SPAMBLOCK_rageaudio.com.au> put finger to keyboard and
composed:

Well, WES Components is at it again. I was at a mate's workshop the other
day and his TV tech had been tearing his hair out, after replacing BUZ19A
MOSFETs in a TV. He then tried some IRF substitutes (also sourced from WES)
and they blew up as well. Careful examination revealed the leads seemed
thinner than expected. A MOSFET sourced from Farnell solved the problem. Of
course, WES will refund the cost of the blown MOSFETs, but who pays for the
6 hours of frustration?
Click to expand...
What was the part number?

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.
 
"Mark Harriss" <billy@blartco.co.uk> wrote in message
news:SrednVrw0MEKRlXVnZ2dnUVZ8gidnZ2d@westnet.com.au...
Trevor Wilson wrote:
**BUZ19A was one. The other was an IRF number. That is the real worry.
Completely different part numbers, different (alleged) manufacturers, but
the same crappy part. I'll check with my mate tomorrow and report the
details of the other part involved, along with the resolution reached
with WES.




Any chance of autopsy pics?
Click to expand...
**Maybe. They were TO220 packs though. A little hard to pull apart.

[ASIDE] A while ago, my mate posted a pic of a remote control that had
gotten wet. His customer put it in a microwave oven to dry it out......


--
Trevor Wilson
www.rageaudio.com.au
 
"Trevor Wilson"
"Franc Zabkar"
What was the part number?

**BUZ19A was one.
Click to expand...

** Doubt it.

It don't exist.

But BUZ91A fits the bill.



....... Phil
 
"Trevor Wilson" <trevor@_SPAMBLOCK_rageaudio.com.au> wrote in message
news:6is6khF93foU1@mid.individual.net...
"Mark Harriss" <billy@blartco.co.uk> wrote in message
news:SrednVrw0MEKRlXVnZ2dnUVZ8gidnZ2d@westnet.com.au...
Trevor Wilson wrote:
**BUZ19A was one. The other was an IRF number. That is the real worry.
Completely different part numbers, different (alleged) manufacturers,
but the same crappy part. I'll check with my mate tomorrow and report
the details of the other part involved, along with the resolution
reached with WES.




Any chance of autopsy pics?

**Maybe. They were TO220 packs though. A little hard to pull apart.

[ASIDE] A while ago, my mate posted a pic of a remote control that had
gotten wet. His customer put it in a microwave oven to dry it out......


--
Trevor Wilson
www.rageaudio.com.au
He's probably allergic to sunlight
Click to expand...
 
Overall the service from WES components is non existent. They stuffed up my
order the other day ( yet again) and the guy on the other end of the phone
just didn't care. Whey you stuff up you pay, when they stuff up you pay as
well, I find WES a complete pack of bastards and wouldn't recommend anyone
to use them anymore.


"Phil Allison" <philallison@tpg.com.au> wrote in message
news:6itlg5Fh544U1@mid.individual.net...
"Trevor Wilson"
"Franc Zabkar"


What was the part number?

**BUZ19A was one.


** Doubt it.

It don't exist.

But BUZ91A fits the bill.



...... Phil
Click to expand...
 
"Franc Zabkar" <fzabkar@iinternode.on.net> wrote in message
news:qe5hc4tfctgbnfgm2t21a1hun1p2hnojlc@4ax.com...
On Thu, 11 Sep 2008 09:10:07 +1000, "Trevor Wilson"
trevor@_SPAMBLOCK_rageaudio.com.au> put finger to keyboard and
composed:

Well, WES Components is at it again. I was at a mate's workshop the other
day and his TV tech had been tearing his hair out, after replacing BUZ19A
MOSFETs in a TV. He then tried some IRF substitutes (also sourced from
WES)
and they blew up as well. Careful examination revealed the leads seemed
thinner than expected. A MOSFET sourced from Farnell solved the problem.
Of
course, WES will refund the cost of the blown MOSFETs, but who pays for
the
6 hours of frustration?

What was the part number?
Click to expand...
**As Phil correctly commented, the part number was a BUZ91A. The other part
was a SSP6N60. Critically, they were allegedly from different manufacturers,
the packaging was identical, right down to the thin leads. My mate has not
been back to WES to complain yet.


--
Trevor Wilson
www.rageaudio.com.au
 
On Sep 13, 9:10 am, "Trevor Wilson"
<trevor@_SPAMBLOCK_rageaudio.com.au> wrote:
"Franc Zabkar" <fzab...@iinternode.on.net> wrote in message

news:qe5hc4tfctgbnfgm2t21a1hun1p2hnojlc@4ax.com...



On Thu, 11 Sep 2008 09:10:07 +1000, "Trevor Wilson"
trevor@_SPAMBLOCK_rageaudio.com.au> put finger to keyboard and
composed:

Well, WES Components is at it again. I was at a mate's workshop the other
day and his TV tech had been tearing his hair out, after replacing BUZ19A
MOSFETs in a TV. He then tried some IRF substitutes (also sourced from
WES)
and they blew up as well. Careful examination revealed the leads seemed
thinner than expected. A MOSFET sourced from Farnell solved the problem..
Of
course, WES will refund the cost of the blown MOSFETs, but who pays for
the
6 hours of frustration?

What was the part number?

**As Phil correctly commented, the part number was a BUZ91A. The other part
was a SSP6N60. Critically, they were allegedly from different manufacturers,
the packaging was identical, right down to the thin leads. My mate has not
been back to WES to complain yet.

--
Trevor Wilsonwww.rageaudio.com.au
Click to expand...
Strange that, I built the Deluxe Battery Zapper kit from Jaycar and
the MOSFETs supplied (same SSP6N60 types) died a quick death.
The physical construction of the TO220s looked like garbage, the metal
in the legs were so soft that just bending them produced deep stress
cracks.

Out of desperation, DSE equivalents were successfully used to replace
them.

Should have persued it, but didn't due to time and motion or a lack
there of.
 
"Franc Zabkar" <fzabkar@iinternode.on.net> wrote in message
news:qe5hc4tfctgbnfgm2t21a1hun1p2hnojlc@4ax.com...
On Thu, 11 Sep 2008 09:10:07 +1000, "Trevor Wilson"
trevor@_SPAMBLOCK_rageaudio.com.au> put finger to keyboard and
composed:

Well, WES Components is at it again. I was at a mate's workshop the other
day and his TV tech had been tearing his hair out, after replacing BUZ19A
MOSFETs in a TV. He then tried some IRF substitutes (also sourced from
WES)
and they blew up as well. Careful examination revealed the leads seemed
thinner than expected. A MOSFET sourced from Farnell solved the problem.
Of
course, WES will refund the cost of the blown MOSFETs, but who pays for
the
6 hours of frustration?

What was the part number?
Click to expand...
**BUZ19A was one. The other was an IRF number. That is the real worry.
Completely different part numbers, different (alleged) manufacturers, but
the same crappy part. I'll check with my mate tomorrow and report the
details of the other part involved, along with the resolution reached with
WES.


--
Trevor Wilson
www.rageaudio.com.au
 
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