Discrete Semiconductors

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7-465801 NPN Transistor

Small NPN transistor of unknown specification, mounted in a white ceramic carrier with gold leads and black ceramic cap. The manufacturer of this device is unknown.

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Catalog No. Price Lead Time
7-4658 US$0.98 1 unit in stock

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2N1756 Transistor

Three amp germanium power transistor, new old stock. The 2N1756 is housed in an unusual pill-shaped package with chassis mounting holes and a elliptical metal cap.

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Catalog No. Price Lead Time
2N1756 US$2.98 2 units in stock

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1N1084 Cartridge Diode

1N1084 cartridge diode, new old stock with minor shelf wear. This rather hard to find part is used in various Collins receivers and is designed to be plugged into a fuse-style holder.

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Catalog No. Price Lead Time
1N1084 US$4.98 3 units in stock

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Alpha 5002291

A cartridge style point contact diode. Alternate part number variant of 1N23. Ceramic body with gold cap and base. Unlike some early point contact transistors, no opening has been provided for adjustment of the point contact.

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Catalog No. Price Lead Time
A-1N23 US$3.98 2 units in stock

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Socket for Raytheon CK703 and CK716

Phenolic socket for use with the extremely rare Raytheon CK703 and CK716 cartridge type point contact transistors. Sockets for these transistors are difficult to find and are a virtual necessity for building circuits with either device. Units are new old stock with minor shelf wear.

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Catalog No. Price Lead Time
CK716SOCKET US$32.98 6 units in stock

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Socket for Type A Western Electric Transistors

A rare socket for Western Electric 'type A' cartridge transistors like the 2A and 2N22. Sockets are new old stock with minor shelf wear. These sockets will also work with transistors made by other companies that have a 'type A' package, but will not work with the Raytheon cartridge types like the CK716.

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Catalog No. Price Lead Time
TYPEASOCKET US$32.98 2 units in stock

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Texas Instruments 1N2175 Photodiode

The 1N2175 is a silicon photodiode that is manufactured by Texas Instruments. Also known as a 1S701, the 1N2175 is packaged in an unusual cylindrical glass capsule with hair-fine gold leads. These diodes are new, and still packaged in their original envelopes.

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Catalog No. Price Lead Time
1N2175 US$19.98 1 unit in stock

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Sylvania 1N358 Coaxial Cartridge Diode

Hard to find Sylvania 1N358 cartridge diode, used condition. The 1N358 is an obscure tripolar RF frequency diode in a coaxial package. This coaxial package was designed to be inserted into a complex socket which would leave the business end of the diode poking into a hollow waveguide. This is a fairly early semiconductor part, and was first released in 1955.

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Catalog No. Price Lead Time
1N358 US$15.98 5 units in stock

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SOCN58 Microwave Diode

We have no idea what these are, other than that they are microwave frequency diodes and were probably very expensive new. Device has a gold and white package with gold surface mount leads, and was packaged in a foam lined antistatic container.

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Catalog No. Price Lead Time
SOCN58 US$4.98 Out of stock

Vintage Offset Lead Transistor Socket

This is the special socket that is designed to mate with many early collectible transistors, including the 2N21, 2N27, 2N39, and 2N110. A hard-to-find part that is very useful when building projects with these early transistors.

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Catalog No. Price Lead Time
2N21SOCKET US$3.98 Out of stock

Motorola NN3568

The NN3568 is a TO-5 package transistor of unknown specification. This transistor has gold leads and a gold base, new old stock. Manufactured by Motorola.

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Catalog No. Price Lead Time
NN3568 US$0.48 Out of stock

International Rectifier 6400005

International Rectifier 6400005 mystery diode, unknown specification, new old stock. These are designed to be welded or soldered to a threaded stud for mounting.

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Catalog No. Price Lead Time
IR6400005 US$0.98 Out of stock

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