Serial Number iButton

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DS1990 | Serial Number iButton for Guard Tour Data Logging Systems - Dallas Maxim

Average ETA for Additional Units 1-2 Days
Product Datasheet Download

An iButton is a micro circuit, encapsulated in a stainless steel weather resistant button, of great durability and reliability (1,000,000 recordings per button). Each iButton is a guaranteed, unique, never to be repeated, factory programmed ROM. 

Its 16-character serial number is kept in laser-cut poly-silicon links, not as stored magnetic charge! The iButton is an identifier that cannot be counterfeited. Height 3mm or 5mm, Diameter 16mm.

The serial number of each iButton can be assigned as Guard ID Devices, Recording Stations, Keypad Incident Booklets, etc.

Part Number Product Description
DS1990-F3 3mm 64 Bit ROM Serial Number iButton
DS1990-F3-100 100 Pack of 3mm 64 Bit ROM Serial Number iButton
DS1990-F5 5mm 64 Bit ROM Serial Number iButton
DS1990-F5-100 100 Pack of 5mm 64 Bit ROM Serial Number iButton