TO-3 Ceramic Power Transistor Insulators mica NEW

Suitable for ALL transistors with TO-3 package
Thickness:  2mm  = 0.079 inch.
Made in early 1980s.

Material type: I'm not sure about the material type of these ceramic pads. My supplier and a few tests I personally made in 2012 suggested they should be Beryllium oxide (BeO). The factory which made them was known to use only BeO at the time they were produced. But a couple of buyers said they are Aluminum Oxide (AlO). The weight of one pad is approximately 5.5g. One of my buyers calculated that the density of these ceramic pads is about 3.5-3.7 g/cc, which is in between BeO and AlO. The information is controversial and I don't want to argue when I'm not 100% sure, so here are the facts that I know, please choose for yourself.
The ceramic pads still do their job perfectly well by providing excellent electrical insulation and great heat conductivity.

The price is for 10 pieces.

Worldwide delivery: $6.20

SHIPMENT

All item(s) will be shipped by registered priority airmail. Typical delivery times are:
USA/Canada: 14...22 days***** This year there are severe delays to USA and Canada. Buyers from these countries are recommended to use the second a little bit more expensive shipping service if they need their items to arrive in less than 22 days.
EUROPE (All countries): 8...14 days
ALL OTHER destinations (North and South America, Asia, Africa, etc.): 12...25 days
EXCEPTIONS:
1. ITALIAN customers, please be more patient. For unknown reasons deliveries to Italy usually take longer than to the rest of Europe, i.e. 12...16 days.
2. Good news for AUSTRALIAN customers, usually shipment to Australia is pretty fast, it takes no more than 8...12 days.
If a buyer purchases several items I will combine the shipment to reduce shipment costs.

PAYMENT

In the past I used to accept a great variety of payment options but from the end of 2008 eBay does not permit any other payment options except the following two companies, which they own: Paypal and Propay.
Currently I can accept only Paypal from these two.
Whatever payment option you choose, please, don't forget to write the eBay item number(s) you are paying for.

Here are all the payment options I accept, explained in detail, in the order I prefer them:

1. Skrill / Moneybookers.

2. Paypal.

3. Other. I may accept other options permitted by ebay. Please contact me if you want to pay with any other payment options.