Cgs synth

On Sep 5, 2007, at 8:12 AM, Jason Hollis wrote:

> The deal they gave me was:
>
> --------
>
> PT146 1K ohm 1%
> @25 C
> TC 3500 ppm/degree C
> 10 pc.min.@$7.50 ea.
> 13 pcs.thru 100 pcs.@$2.00 ea.Plus $50 set up charge
>
> PT146 2K ohm 1%
> @25 C
> TC 3500 ppm/degree C
> 15-99 pcs.@$3.54 ea.Plus $50 set up charge
>
> Lead time: 1000 ohms - stock and could ship within 2-3 days after
> receipt
> of confirming order and credit card info.
>
> 2000 ohms - current lead time running a ship date of 5
> weeks after order entry date.
>
> We have a $75 min.order on the PT146 1K's; we have a $100 min.order
> on the
> 2K's.
>
> ------------
>
> Sounds like you got a better deal.
>
> Here's some 2k SMD tempcos from Farnell:
>
> http://uk.farnell.com/jsp/Passive+Components/
> Resistors,+Thermistors+&+Potentiometers/TYCO+ELECTRONICS/
> LT73+3000+2K0J+TG/displayProduct.jsp?sku=1174312
>
> And some Panasonic 1k's from DigiKey:
> Panasonic Thermosensitive Chip Resistor (catalog page 1503)
> Description:
> 0805, 1/10 W, 5%
> TCR:
> +3300 ppm/C
> Value Range:
> 22 ~ 1.8K
> TCR Tolerance:
> ±10%
> Part number:
> P(Value)CDCT-ND
> Price for 10:
> $5.52
>
> Found via this thread on EM:
> http://electro-music.com/forum/viewtopic.php?
> t=17430&postorder=asc&highlight=tempco++smd
>
> Example of use that I found, in this case, two in serial to create a
> 2k:
> http://modularsynthesis.com/magicsmoke/2k_tempco_chip.jpg
>
> Hope this helps. =]
>
> ~!J!
> http://www.endif.org
> http://www.myspace.com/endif
>
>

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