This product is a sealed plastic stick containing three DS1921G iButtons®. The iButtons are connected in parallel through metal plates that are spot-welded to the IO and GND contact, respectively. Two stranded
wires protruding from the top end of the stick allow for a 1-Wire® reader/writer to make contact to the iButtons for setup and data retrieval. Electrically, the product is specified by the DS1921G data sheet, with the proper scaling (e.g., current ×3, capacitance ×3). The mechanical and thermal characteristics of the module are specified in this document.
Key Features
Applications/Uses
Three DS1921G networked to monitor temperate at the top, bottom and center of the stick
Connects to 1-Wire reader/writer through colorcoded 18 AWG (1 mm Ø) stranded wires with ½ inch (1.3cm) stripped ends
Electrically compatible to the DS1921G Thermochron iButton (3 in parallel)
Sealed against liquid intrusion
Module position information stored in DS1921G memory
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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