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#1
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40673 Mosfets
I have a small quantity of RCA 40673 mosfets for anyone interested. I
will sell them for $2.50 each. These are NOS and I am selling them at half the market value. If you get them through NTE they are over $11.00 or you get them through Dan`s small parts (if he has any) at$5.00 each. Thanks, Rob |
#2
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I think I remember the number from the dlate 1960s but can't recall what
their main use was, refreesher? tnx hank wd5jfr "rob34" wrote in message ... I have a small quantity of RCA 40673 mosfets for anyone interested. I will sell them for $2.50 each. These are NOS and I am selling them at half the market value. If you get them through NTE they are over $11.00 or you get them through Dan`s small parts (if he has any) at$5.00 each. Thanks, Rob |
#3
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I think I remember the number from the dlate 1960s but can't recall what
their main use was The 40673 as I recall was a dual gate FET. Used in mixers and other stuff dual gates were used. They were in a small metal package (TO-??) with 4 leads. I think I remember their orginal application was CB xcvrs. 73 Gary N4AST |
#4
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JGBOYLES wrote:
I think I remember the number from the dlate 1960s but can't recall what their main use was The 40673 as I recall was a dual gate FET. Used in mixers and other stuff dual gates were used. They were in a small metal package (TO-??) with 4 leads. I think I remember their orginal application was CB xcvrs. 73 Gary N4AST A lot of early solid state garage door openers used it, as well. -- 9 days! Michael A. Terrell Central Florida |
#6
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J. Yazel ) writes:
On 16 Dec 2003 23:42:13 GMT, (JGBOYLES) wrote: I think I remember the number from the dlate 1960s but can't recall what their main use was The 40673 as I recall was a dual gate FET. Used in mixers and other stuff dual gates were used. They were in a small metal package (TO-??) with 4 leads. I think I remember their orginal application was CB xcvrs. 73 Gary N4AST =========================== Some years ago, all of the radio magazines had many articles with 40673's. About every third article had at least one (slight exaggeration). Jack W8RAG That's not really a surprise. It's always been a constant that a handful of parts are used in the magazines. By sticking to a few parts, it guarantees that you will be able to get those parts, since small companies that deal with the hobbyist will carry those parts. And then in turn it guarantees that the parts will be used. Besides, many articles were traditionaly a variant on something that had already been published. So someone looks in the magazines, and picks parts (or even whole circuits) based on what they see, and then write about it. I've always tended to look at those common parts as a designator for a generic category of something. So a 40673 is a dual gate MOSFET, and likely some other similar part will fit the situation. After all, if someone was going for extreme performance, it would not be a common part. Michael VE2BVW |
#7
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Some years ago, all of the radio magazines had many articles with 40673's. About every third article had at least one (slight exaggeration). Jack W8RAG That's not really a surprise. It's always been a constant that a handful of parts are used in the magazines. By sticking to a few parts, it guarantees that you will be able to get those parts, since small companies that deal with the hobbyist will carry those parts. And then in turn it guarantees that the parts will be used. Besides, many articles were traditionaly a variant on something that had already been published. So someone looks in the magazines, and picks parts (or even whole circuits) based on what they see, and then write about it. I've always tended to look at those common parts as a designator for a generic category of something. So a 40673 is a dual gate MOSFET, and likely some other similar part will fit the situation. After all, if someone was going for extreme performance, it would not be a common part. Michael VE2BVW ===================================== That's a good idea except that few hams have the expertise to modify a circuit for a different IC even if it is similar. Jack W8RAG |
#8
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Some years ago, all of the radio magazines had many articles with 40673's. About every third article had at least one (slight exaggeration). Jack W8RAG That's not really a surprise. It's always been a constant that a handful of parts are used in the magazines. By sticking to a few parts, it guarantees that you will be able to get those parts, since small companies that deal with the hobbyist will carry those parts. And then in turn it guarantees that the parts will be used. Besides, many articles were traditionaly a variant on something that had already been published. So someone looks in the magazines, and picks parts (or even whole circuits) based on what they see, and then write about it. I've always tended to look at those common parts as a designator for a generic category of something. So a 40673 is a dual gate MOSFET, and likely some other similar part will fit the situation. After all, if someone was going for extreme performance, it would not be a common part. Michael VE2BVW ===================================== That's a good idea except that few hams have the expertise to modify a circuit for a different IC even if it is similar. Jack W8RAG |
#9
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J. Yazel ) writes:
On 16 Dec 2003 23:42:13 GMT, (JGBOYLES) wrote: I think I remember the number from the dlate 1960s but can't recall what their main use was The 40673 as I recall was a dual gate FET. Used in mixers and other stuff dual gates were used. They were in a small metal package (TO-??) with 4 leads. I think I remember their orginal application was CB xcvrs. 73 Gary N4AST =========================== Some years ago, all of the radio magazines had many articles with 40673's. About every third article had at least one (slight exaggeration). Jack W8RAG That's not really a surprise. It's always been a constant that a handful of parts are used in the magazines. By sticking to a few parts, it guarantees that you will be able to get those parts, since small companies that deal with the hobbyist will carry those parts. And then in turn it guarantees that the parts will be used. Besides, many articles were traditionaly a variant on something that had already been published. So someone looks in the magazines, and picks parts (or even whole circuits) based on what they see, and then write about it. I've always tended to look at those common parts as a designator for a generic category of something. So a 40673 is a dual gate MOSFET, and likely some other similar part will fit the situation. After all, if someone was going for extreme performance, it would not be a common part. Michael VE2BVW |
#10
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JGBOYLES wrote:
I think I remember the number from the dlate 1960s but can't recall what their main use was The 40673 as I recall was a dual gate FET. Used in mixers and other stuff dual gates were used. They were in a small metal package (TO-??) with 4 leads. I think I remember their orginal application was CB xcvrs. 73 Gary N4AST A lot of early solid state garage door openers used it, as well. -- 9 days! Michael A. Terrell Central Florida |
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