I have always purchased from Arrow. Their pricing is typically the best as NA6O
found out.
I buy them through my company and even though they are sometimes out of stock
on the 2.4" cores they get them quickly.
Be sure to buy a full box to prevent shipping damage.
73Gary K9GS
-------- Original message --------
From: Gary Johnson <gwj@wb9jps.com>
Date: 06/24/2016 3:51 PM (GMT-06:00)
To: towertalk@contesting.com
Subject: [TowerTalk] Ferrite type 31 price list
I did some online shopping, so for your convenience here are current prices
from many suppliers for the type 31 toroids and big clamp-ons that are so
useful as chokes. “In stock” means >100 available at the moment. There are
some good deals out there, even in relatively small quantities.
-Gary NA6O
---------------------
Toroid, 2.4" (61 mm) OD, #31, Fair-Rite 2631803802
http://www.dextermag.com/bead-61-0-x-35-6-x-12-7-uncoated.html
in stock
25: $5.750
50: $5.210
100: $4.850
250: $4.540
http://www.kregercomponents.com/fair-rite-products/2631803802
in stock
1 - 24 $5.99
25 - 49 $5.74
50 - 99 $5.20
100+ $4.99
http://www.mouser.com ; 623-2631803802
in stock
1: $6.73
100: $5.42
200: $5.39
500: $5.04
http://www.newark.com/ ;
limited stock
1 - 9 $7.34
10 - 49 $6.36
50 - 99 $5.89
100 - 499 $5.44
http://www.kitsandparts.com/toroids.php
10+ $8.50
shipping: flat rate box, about $10
http://palomar-engineers.com/ferrite-products/ferrite-cores
1-9: $10.00
10-99: $9.00
100+: $8.00
https://www.arrow.com/en/products/2631803802/fair-rite-products
out of stock
1+ $4.443
---------------
"Biggest clamp on" Fair-Rite #31 p/n 0431177081
Page 76 of pdf catalog. 1" bore, 1.7” long. Equivalent to about 3 toroids.
https://www.arrow.com/en/products/0431177081/fair-rite-products
in stock. free ship with special code for orders >$50
1+ $9.920
10+ $9.243
50+ $9.061
http://www.kregercomponents.com/fair-rite-products/0431177081
in stock
1 - 24 $11.85
25 - 49 $11.25
50 - 99 $10.69
100 - 499 $10.65
http://www.dextermag.com/0431177081-31-split-round-cable-assembly.html
in stock
5: $13.560
10: $12.280
25: $11.430
50: $10.710
http://www.mouser.com ; 623-0431177081
in stock
1: $17.13
10: $13.17
50: $11.97
100: $10.88
http://www.newark.com/ ;
in stock
1 - 9 $22.07
10 - 49 $18.42
50 - 99 $16.77
100 - 499 $14.69
Also checked but with no results: Digikey, Allied
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