Data Sheet

Connector callouts (bottom view)
2
Scale 1:1
QTRX/QTRXL sensor
4
Scale 2:1
3
Profile
Scale 1:1
Isometric view
5
Scale 1:1
Board dimensions (top view)
1
Scale 1:1
38.37
1511
38.37
1511
1.27
50
11.65
459
2.50
98
P
R
https://www.pololu.com/category/123
Name:
Units:
Drawing date:
mm
[mil]
Material:
© 2018 Pololu Corporation
mixed
Item number:
QTRX/QTRXL Reflectance Sensor
Array
14 September 2018
see table
Intended for #2 and M2 screws.1.
Grid lines indicate 2.54 mm [100 mil] spacing.2.
To get the specified scale, select 100% in print settings.3.
Drill location tolerance: ±0.1 [±5].4.
Board edge tolerance: ±0.3 [±10].5.
Dev code:
irs51j
2.0
80
1.52
60
Item
numbers*
P
(pitch)
N
(number of sensors)
4331, 4431,
4531, 4631
4.00
[157]
31
4356, 4456,
4556, 4656
8.00
[315]
16
1.
1.
Drawn in same
orientation as
in view 1.
*Some items available by special order only.
125.0
4921
16.5
650
64.0
2520
28.0
1102
28.0
1102
2.5
98
2.5
98
4×
2.18
86
Emitter
Phototransistor