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DTC143XE , 100mA / 50V Digital transistors (with built-in resistors)
DTC143XK , DTA/DTC SERIES
DTC143XM , 100mA / 50V Digital transistors (with built-in resistors)
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DS1402D-41+
iButton Probe Blue Dot Subassembly
Features Spring-Mounted iButton® Reader Momentary Contact for Both F3 and F5 Style
iButtons or Dwelled Contact for F5 Only Convenient Tactile Feedback System for Dwelled
iButton Contact
Mounting Pad Layout
General Description The four component parts that are used to construct the Blue-Dot iButton reader found in the DS1402D-DR8 and
DS1402D-DB8 are described here. Diagrams 1 through 4 show the individual part dimensions. This document also
describes how to assemble the Blue-Dot given the sub-parts listed in Table 1. The Blue-Dot can be assembled in
the three easy steps described in the Assembly Instructions section.
Table 1. DS1402D Parts Listing
Reference Part Description Ordering Information DS1402D-011 Small Blue Insert DS1402D-11 DS1402D-010 Small Data Contact Spring DS1402D-10 DS1402D-003 Large Blue Support DS1402D-3
D DS1402D-017 Large Ground Contact DS1402D-17
DS1402D-041 Subassembly of A-D DS1402D-41
DS1402D-0XX
iButton Probe Component Parts
.82in
.080in
.46in
Ground
Data
DS1402D
Diagram 1. DS1402D-003
Diagram 2. DS1402D-010 DS1402D
Diagram 3. DS1402D-011
Diagram 4. DS1402D-017 DS1402D
Assembly Instructions 1. Insert the end of the Data Spring (B) wire at the large coil end, into the slot at the top of the Data Button (A).
Twist the spring clockwise into the slot until the end of the wire at the small coil end lines up with the edge of the
slot in the Button.
2. Place the Data Button (A) with the Data Spring (B), assembled, into the Contact Support (C).
The Contact (D) loop
fits around the side of
the notch with the
larger radii.
DS1402D
3. Compress the Data Spring (B) into the center of the Data Button (A) and slide the Contact (D) onto the Contact
Support (C). Check that the Data Button (A) is free to move up and down through the Contact (D).
Slot in Button (A) to line up
with notch in Contact
Support (C).
End of wire to line up
with notch in Contact
Support
XY
DS1402D
Overview Here is an assembly picture of the overview of steps listed above.
Option: Can be twisted in at the
last step of assembly.
Assembled Parts
Insert into Contact D
See Assembly Instructions
