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NEC D7220 Integrated Circuit

NEC D7220 video controller IC, new old stock, still in original tube. The D7220 is a highly regarded video interface controller that was popular in the early 1980s. This chip can draw circles and lines to a bitmapped CRT, and also includes support for light pens and complex character graphics. The D7220 saw use in a number of early computer systems from NEC and Digital Equipment Corporation, including the DEC Rainbow and the NEC APCIII.

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Catalog No. Price Lead Time
D7220AD US$10.98 8 units in stock

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SCS 1007CRT

SCS 1007CRT integrated circuit, clean socket pull. The SCS 1007 is an integrated alphanumeric minitron driver IC designed for use with displays like the Wamco KW-105AL. The chip is packaged in an early gray trace ceramic carrier with a gold cavity lid. There is no date code on this chip, but we suspect it was made sometime around 1970.

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Catalog No. Price Lead Time
SCS1007 US$29.98 4 units in stock

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Wamco KW105AL Minitron Display

Hard to find Wamco KW105AL alphanumeric 'Minitron'-style incandescant display, in tested and working condition. Commonly, used in military equipment, the KW105AL uses an array of heated lightbulb filaments to display numbers and letters, which have been shoehorned into a tiny rectangular DIP-style envelope. The KW105AL is rated for 100,000 hours at 5VDC, and will probably last much longer at lower voltages. Digit height is .300 inches and the display is .468 inches high. All segments test good; these are practically impossible to find, and 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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Catalog No. Price Lead Time
KW105AL US$19.98 8 units in stock

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Soviet ALS317B Bargraph LED

Soviet ALS317B red bargraph LED, new old stock, clean condition. This tiny display contains 5 bar shaped LED dies and can be stacked end-to-end to create bargraphs of any length. Though this device is packaged in what appears to be a six pin DIP package it should be noted that the dimensions are much smaller than a standard DIP... the epoxy package is 5mm by 5mm and the leads are 7mm long.

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Catalog No. Price Lead Time
ALS317B US$1.98 16 units in stock

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Micro Burroughs Panaplex II Neon Display

A tiny Burroughs Panaplex II branded neon filled display, used but tested condition. This is a neon filled seven segment display with 4 and 1/2 digits and colon in a tiny flat glass envelope, it is uncommon to see a Panaplex display that crams this many digits into such a small space. This display has full length leads and is not desoldered,and all of the segments test good. The display has a label on the back indicating it has been doped with krypton-85. Maybe it is time for someone to build a Panaplex watch?

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Catalog No. Price Lead Time
C6026 US$21.98 5 units in stock

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Luminus XNova CXM-22-27-80-36 125 Watt LED

Luminus XNova CXM-22-27-80-36 high power LED, clean unused condition, tested and working. These are insanely bright 125 watt LEDs, and can produce an eyeball-watering 7800 lumens of light output. Color temperature is rated at 2700K; these produce a warm white light similar in color to the output of an old-style incandescent bulb. They are obviously much brighter than an incandescent bulb however... a typical 100 watt incandescent bulb can only produce about 1500 lumens of light. Needless to say, these require a heatsink when operated at full power, and will quickly immolate themselves if ran bare. If you ever wanted to construct a flashlight so powerful that it could be seen from space, this might be the LED for you!

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Catalog No. Price Lead Time
CXM-22 US$6.98 6 units in stock

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Gold Plated Near Infrared (NIR) LED

An unusual gold plated near infrared NIR LED, in tested and working condition. These unusual devices operate in the 810 nanometer band and their light output is right at the edge of human vision. Each LED contains an array of 16 NIR dies bonded to a gold transistor header. When powered up these produce a deep cherry red output in the visible light range, with almost 90% of their output spilling over into the infrared bands. In the photos, the LED is powered at 100ma and 6.5 volts, and the visible light output is unlike anything typically seen in a solid state device. The photos have been taken with an IR filter to block the infrared light and and limit the output to the human-visible portion of the spectrum; this produces an image that closely matches what would be seen with the naked eye.

WARNING: These LEDs output almost 90% of their light is invisible IR radiation, and as such can be hazardous to vision if not properly used. Never view these with your naked eyes unless you fully understand the safety implications of NIR light!

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Catalog No. Price Lead Time
NIR17 US$10.98 2 units in stock

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Litronix MAN2 Clone LED Display

Litronix early red alphanumeric 5x7 LED display, good condition, new old stock. This is an early clone of the Monsanto MAN2 and has identical pinouts and character spacing to the original, hard to find Monsanto part. The internal construction is both visually striking and quite crude... no attempt has been made to hide the sloppy epoxy fill or early green diode substrate.

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Catalog No. Price Lead Time
LITMAN2 US$5.98 26 units in stock

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6977 Tuning Eye Tube

6977 tuning eye indicator, used condition, filament tests good. The 6977 is widely considered to be the world's smallest tuning eye tube, though due to it's low operating voltage, it also sees use as a triode in battery powered radios. This tube has clipped leads, but is otherwise in good working condition.

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Catalog No. Price Lead Time
6977 US$4.98 Out of stock

Harris 130172 Integrated Circuit

Harris 130172 integrated circuit, unknown function, new in tube. This chip is a complete mystery...Harris Semiconductors produced chips for military and aerospace use, and as such much of their product line is an undocumented basket of mystery. The package of this chip is very robustly constructed however, and it was likely designed for use in a harsh environment.

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Catalog No. Price Lead Time
AMI4040212 US$4.98 10 units in stock

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Collins 350-3003-020 Integrated Circuit

Collins 350-3003-020 integrated circuit, unknown function, clean condition. We don't know what this flatpack chip does, but it is constructed out of white ceramic with surface mount leads, and is likely intended for aerospace use.

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Catalog No. Price Lead Time
COLLINS350 US$4.98 4 units in stock

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General Instrument AY-5-1012 Integrated Circuit

General Instrument AY-5-1012 PMOS UART controller, clean condition. This chip has a white ceramic package with locking holes and top brazed pins.

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Catalog No. Price Lead Time
AY5-1012 US$7.98 5 units in stock

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Western Electric 618 Integrated Circuit

Western Electric 618 integrated circuit, new condition with minor shelf wear. This chip uses an unusual construction style unique to Western Electric; the die has been mounted to the bottom of a white ceramic carrier and covered in resin, which is then inserted into a plastic base. Tabs in the base wrap around the top of the chip carrier and lock the entire assembly together.

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Catalog No. Price Lead Time
WE618 US$4.98 11 units in stock

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Texas Instruments TIL311 LED Display

Texas Instruments TIL311, tested and working. This display contains a built in BCD decoder, and can display four bit hexadecimal characters from a TTL source. The TIL311 is a popular part that has seen use in many homebrew electronics builds.

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Catalog No. Price Lead Time
TIL311 US$7.98 7 units in stock

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