ECW - Digital Contacting Encoder
How to Order
PART NUMBERING SYSTEM
E C W 1 J - B 2 4 - B C 0 0 2 4 L
RoHS IDENTIFIER
Code Description
Compliant
L
Blank Non-Compliant
Code Rotational Life
200,000 Revolutions
C
PERFORMANCE CODE
Code Detents Cycles/Rev.
E0006
E0009
E0012
E0024
E0036
B0012
C0006
C0024
D0009
0
0
0
0
0
6
9
BUSHING CONFIGURATION
Code Description
12
24
36
12
6
W
9 mm x 1/4 " Length. Threaded M9x0.75
L
9 mm x 3/8 " Length. Threaded M9x0.75
(Use B shaft only.)
12
T
9 mm x 1/4 ". No Thread.
24
36
24
9
SWITCHING CONFIGURATION (In Detent Position)
Applies to performance codes B0012 and C0024
only, use code "0" for all other performance codes.
HOUSING TERMINAL CONFIGURATION
(X indicates “Equipped With”
Code Description
Code
0
1
Not Applicable
Normally Open
Features
Terminal Cover
Rear-Facing Terminals
Solder Holes
PCB Bracket
Hardware Included
Snap-In Mount
Forward-Facing Terminals
*Bushing code T only.
A
X
X
B
X
X
C
D
E
X
X
F G* H
K
X
X
X
X
X
X
X
ANTI-ROTATION LUG POSITION
Code Description
X
X
X
X
X
X
X
X
J
D
9:00 Position
None
X
X
SHAFT LENGTH (FMS)
SHAFT STYLE (See Outline Drawing for Details)
Code Description
Available
Code Description
Shaft Styles
B
B
C
R
Y
J
Plain with Inserted Slot (1/4 " Dia.)
Single Flatted (1/4 " Dia.)
Plain with Inserted Slot (6 mm Dia.)
Split Shaft Version (.185 " Dia.)
Flatted Shaft (3/16 " Dia.)
16
20
24
28
32
36
1/2 " Length
5/8 " (15.9 mm) Length
3/4 " (19 mm) Length
7/8 " (22.2 mm) Length
1 " (25.4 mm) Length
1-1/8 " (28.6 mm) Length B, C, J, Y
Metric
J
B, C, J, Y
B, C, J, Y
B, C, J, Y
The sample part number demonstrates the identification
code for Bourns contacting encoders.
19
22
24
19 mm Length
22 mm Length
24 mm Length
R
R
R
Boldface features are Bourns standard options. All others
are available with higher minimum order quantities.
REV. 02/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications