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New Arrivals |
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| HP Avago HDSP-0962 LED Display | ||||||||
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HP Avago HDSP-0962 bitmapped hexadecimal LED display, tested and in new condition. These LED displays of a very high quality construction; each display has a built in BCD decoder that allows the display to be controlled with a minimum number of I/O pins. The displays are made of ceramic and glass with gold traces, and were originally designed for use in medical and military equipment.
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| Litronix DL1416 | ||||||||
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Litronix DL-1416, used condition, tested and working. The DL1416 is an early LED smart display, which can decode 6 bit TTL ASCII signals without any external components. These displays are used socket pulls, and each one has been tested and confirmed working.
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| Phillips 42310 CCD | ||||||||
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Phillips 42310 image sensor, new old stock, good clean condition. The 42310 is a frame transfer style image sensor intended for use in NSTC video camera systems. The black rectangular area on the die is where images are stored prior to being transmitted out of the image sensor.
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| 6MM Wire Wrap LED | ||||||||
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6mm red LED with an unusual red epoxy package, unknown manufacturer, new tested condition. These large LEDs have square leads for use in wire wrap installations. Though we do not know who made these LEDs, we strongly suspect they were produced by Western Electric based on the package shape and lead thickness.
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| Western Electric 1859 Transistor | ||||||||
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Western Electric 1859 grown junction transistor, new in original packaging with minor shelf wear. The 1859 is the production version of the Western Electric 1752 development prototype, which was the world's first grown junction transistor. First manufactured in 1953, the 1859 was used in the construction of the first transistorized telephone switching system, in Americus Georgia. The example for sale here was manufactured in 1954.
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| AMI 7550IC LSIC Integrated Circuit | |||||||
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AMI ceramic LSIC gate array, used socket pull, unknown working condition. This chip was used in Burroughs B series computer systems, and several gate array chips would be combined to form the CPU of the unit. The example shown here was pulled from a dismantled system, and has surface wear and other signs of active use. Though pretty to look at, these chips are largely undocumented.
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| Pinlite MD-640 | |||||||
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Pinlite MD-640 minitron display, used condition, tested and working. This is a 4 volt display, and will produce decent brightness in 3.3 volt and 3.6 volt logic circuits. These tiny tube-based displays were used in 70's era military equipment and are very hard to find nowadays. Each display contains seven filaments which have been sealed into a single glass bathtub package. These are used displays, but very segment has been tested and confirmed good and the edges have no chips other than normal factory wear.
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| Pinlite Alphanumeric Minitron Display | |||||||
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Rare Pinlite alphanumeric 'Minitron'-style incandescent display, used, tested and working condition. Commonly, used in military equipment, these displays use an array of heated lightbulb filaments to display numbers and letters, which have been shoehorned into a tiny cubical envelope. This is a 4 volt display, and should be paired with two diodes per segment when run from a 5 volt TTL source. Digit height is .300 inches and the display is .468 inches high. These displays are used, but all segments test good; alphanumeric Pinlite displays are practically impossible to find, and these would be a good addition to a tube or display collection or for construction of a "four letter word" clock or other display project.
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| TMI STB 134 Time Lock | |||||||
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TMI STB 134 electronic timelock movement, minor wear, tested and running condition. The STB 134 is a complicated hybrid time lock that incorporates both a mainspring and electronic elements. The winding arbor of this time lock is connected to an internal rotary encoder, which can be used to program a 7 day schedule into the lock for releasing the boltwork. Includes battery door cover.
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| Siemens PD 2435 | ||||||||
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Siemens PD 2435 LED display, clean socket pulls, tested and working. The 2435 is a four digit bitmapped LED display with integrated drivers and character generator ROM. This display can accept 7 bit ASCII data and has numerous secondary features including cursor selection, 4 programmable brightness levels, and various settings to blink and highlight various characters.
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| Master Specialties Incandescent Fiber Optic Display | ||||||||
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Master Specialties incandescent fiber optic display, used condition, tested and working. This display is held together with screws and can be easily opened to install new bulbs or replace them with LEDs. Connection is provided by a printed circuit board edge connector located on the back of the display.
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| 12 Die Epoxy Green LED | ||||||||
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Large green epoxy LED, unknown manufacturer, new old stock. These LEDs contain twelve green dies, which have been mounted to a printed header and doused in pale green epoxy. Specifications are unknown, but we suspect that these are 12 volt devices.
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| Stirling Engine Graphite Piston | ||||||||
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Precision graphite power piston for use in low temperature Stirling engine projects, new old stock, good clean condition. This lightweight graphite piston assembly is ideal for Stirling engine construction and has a sealed drop time of 40 seconds. A threaded plug on the bottom of the glass tube allows for easy attachment to the rest of the engine. This piston assembly has an outside diameter of 18mm and a height of 20mm.
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| Ceramic Body 4 Die Green LED | ||||||||
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5mm ceramic body green LED, unknown manufacturer, new old stock. These look like a long lost relative of the FLV102; each is constructed on a white ceramic header with gold leads. These LEDs contain for green LED dies, and light output is very good for a LED of this era.
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