![](http://datasheet.mmic.net.cn/160000/ENT1D-D16-M00064_datasheet_8699969/ENT1D-D16-M00064_2.png)
Specications are subject to change without notice.
Customers should verify actual device performance in their specic applications.
EN - Rotary Optical Encoder
Dimensional Drawings
Optional
Radial Leads
A
-+
B
GROUND
INDEX
OR
N.C.
Vcc
CHANNEL B
CHANNEL A
TERMINATION DIAGRAM
2.54
(.100)
TYP.
SQ.
1/4-32 UNEF
DIA.
3/8-32 UNEF
1/4-32 UNEF
Optional
Radial Leads
Bushing Style C
Bushing Style S
(Ball Bearing)
Bushing Style A
Shaft End Style C
Bushing Style T
(Ball Bearing)
Servo Mount Style W (Ball Bearing)
9.525
(.375)
.635
(.025)
18.5
(.73)
6.35
(.250)
6.34
(.2497)
5.54
(.218)
F
3.167 + .000/ – .0076
(.1247 + .000/ – .0003)
8.636
(.34 )
4 PLCS.
2 PLCS.
Recommended Board Layout
with Bracket
Bushing with Bracket
Radial Leads
Axial Ribbon Cable Option
Radial Ribbon Cable Option
Ribbon Cable Option Detail
Connector
Pinout
Connector
Pinout
18.11
(.713)
11.13
(.438)
4.14
(.163)
2.54
(.100)
6.99
(.275)
9 PLCS.
DIA. MIN.
0.99
(.039)
15.88
(.625)
1.37
(.054)
21.21
(.835)
2.36
(.093)
9.53
(.375)
6.342 + .000/ – .0076
(.2497 + .000/ – .0003)
10.32 + .000/ – .0508
(.4062 + .000/ – .002)
9.53
(.375)
9.53
(.375)
DIA.
6.342 + .000/ – .0076
(.2497 + .000/ – .0003)
DIA.
1.57
(.062)
DIA.
3.167 + .000/ – .0076
(.1247 + .000/ – .003)
1.57
(.062)
9.53
(.375)
DIA.
7.14 + .000/ – .0508
(.281 + .000/ – .002)
DIA.
1.57
(.062)
1.57
(.062)
DIA.
3.167 + .000/ – .0076
(.1247 + .000/ – .003)
21.8
(.86)
DIA.
19.05
± .0127
(.7500
± .0005)
DIA.
22.2 + .0127 / – .1270
(.875 + .0005 / – .0050)
1.57
(.062)
.787
± .254
(.031
± .010)
.254
± .076
(.010 .003)
R.
Anti-rotation Lug
View
SHAFT
LENGTH
SHAFT FLAT
LENGTH
(DIM. F)
12.7
(.050)
15.9
(.625)
19.1
(.750)
2.54
(.100)
5.08
(.200)
8.25
(.325)
22.2
(.875)
9.65
(.380)
A
—+ B
5
4
3
2
1
5
4
3
2
1
DIMENSIONS:
MM
(INCHES)
Consult factory for options not shown,
including:
Wire lead or cable options
Connectors
Non-standard resolutions
Special shaft/bushing sizes and
features
Special performance characteristics
PCB mounting bracket
Additional Features
■ CMOS and TTL compatible
■ Long life
■ Ball bearing option for high operating speed up to 3000 rpm