[sdiy-interim] Sorce for tempcos/polystyrene caps?

[Takuya Katayama]

Hi firends!

In Japan, we can buy TEMPCOs very easily.
We know 2 manufacturers list TEMPCOs on their catalogue.
(Lead type only. We can find SMD type TEMPCOs over 5
manufacturers in Japan.) 

I reccomend;
"LT" resistor manufactured by
AKAHANE ELECTRONICS IND. CORP.
http://www.akaneohm.com/2005/en/index.shtml 

It is very reasonable cost (we can buy in Japan,
@20-30Yen/1000lot).
Resistor value tolerance class G(2%) and J(5%) are
standardized, F(1%) can be made upon request.
Power ratings are 1/4 and 1/6watts.


Other manufacturer is
KOA CORPORATION
http://www.koanet.co.jp/en/index.htm

Their "LP" resistor is very famous for its reliability.
Resistor value tolerance class F(1%), G(2%) and J(5%) are
standardized.
Power ratings are 1/8 and 1/16watts.
Excellent charactoristics but very expensive
(@100yen/1000lot).

You can find them in Yahoo Auction (Japan)...

===
Takuya KATAYAMA
Muse Music Synthesizer Lab., Tokyo.

--- mrmike <mrmike at clickbang.com> wrote:

> No, probably not, but that's how they are spec'd.  I
> think these are the 
> Dale/Vishay ones, which are listed as 3W units. Paul
> S. supplies these 
> with his MOTM units, but does not sell them
> separately.
> 
> 
> Tim Parkhurst wrote:
> > On 3/29/07, mrmike <mrmike at clickbang.com> wrote:
> >> Hey all-
> >> Anyone know a good source for tempcos? I need
> some 1K 1% 3W 3500ppm
> >> types like the old Dale units. Some PT146s might
> work, too.
> >>
> >> I'm also looking for polystyrene caps in sizes
> under 100pF (Mouser only
> >> carries polystyrene values greater than that)
> >>
> >> Thanks,
> >> Mike
> >>
> >
> > Do you REALLY need a 3 Watt tempco? That might
> complicate things a bit...
> >
> >
> > Tim (1/4 Watt) Servo
> 
> 
>
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