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Technical content

Features

■ Incremental encoder / quadrature output ■ Exceptionally long operating life ■ Sturdy construction ■ Bushing mount ■ Available with PC board mounting bracket (optional) ■ RoHS compliant* ECW - Digital Contacting Encoder *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifi cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specifi c applications.

Electrical Characteristics

Dielectric Withstanding Voltage (MIL-STD-202 Method 301) Environmental Characteristics Mechanical Characteristics Soldering Condition 370 °C (700 °F) max. for 3 seconds 260 °C (500 °F) max. for 5 seconds Quadrature Output Table – This table is intended to show available outputs as currently defi ned. *RoHS COMPLIANT RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT 1/4 CYCLE PER DETENT Open Circuit Channel A D DDDDDDDDDDDDDDDD Closed Circuit Open Circuit Closed Circuit CW CCW CCWChannel B FULL CYCLE PER DETENT (Normally Open in Detent Shown) Open Circuit CW Channel A DDDDD Closed Circuit Open Circuit Closed Circuit Channel B

Specifi cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specifi c applications. ECW - Digital Contacting Encoder Dimensional Drawings BUSHING MOUNTED - HOUSING A Rear-Facing Terminals BUSHING MOUNTED - HOUSING H Front-Facing Terminals 8.51 (.335) 9.0 (.354) 1.52 (.060) 6.35 (.250) “L” ± 0.38 (“L” ± .015) “L” ± 0.38 (“L” ± .015) 5.69 ± 0.25 (.224 ± .010) 6.35 ± 0.25 (.250 ± .010) DIA. M9 X 0.75-6g SPL 14.7 ± 0.5 (.578 ± .020)DIA. 22.2 ± 0.25 (.874 ± .010) 27.68 ± 0.25 (1.090 ± .010) 28.49 ± 0.25 (1.122 ± .010)ACB 11.1 (.437) CHANNEL BCHANNEL A COMMON CHANNEL BCHANNEL A COMMON CHANNEL BCHANNEL A COMMON PCB BRACKET MOUNTED - HOUSING B Dimensions not given are the same as Bushing Mounted. 5.74 (.226) 9.02 (.355) .762 (.030) 4 PLCS. 23.37 ± 0.25 (.920 ± .010) 17.069 (.672) ACB SOLDER HOLES - HOUSING C Dimensions not given are the same as Bushing Mounted. 2.54 (.100) 5.08 (.200) .107 (.042) 3 PLCS. DIA. 14.478 (.570) 26.975 (1.062) A C B 1.57 (.062) CL 15.2 (.600) 23.6 (.930) 11.4 (.450) 2.54 (.100)TYP. 1.2 (.047)DIA. 7 PLCS. SNAP-IN MOUNT - Housing G PCB MOUNTING DIMENSIONS (Housing Styles B and E) 13.08 (.515) 8.51 (.335) 6.35 (.250) 8.99 (.354) DIA.1.52 (.060)7.24 ± 0.25 (.285 ± .010) 22.20 ± 0.25 (.874 ± .010) 9.53 (.375) 14.68 ± 5.08 27.69 ± 0.25 (1.090 ± .010) 28.50 ± 0.25 (1.122 ± .010) 11.10 (.437) .635 (.025) 2.54 (.100)5.08 (.200) PCB MOUNTING DIMENSIONS 22.68 (.893) 11.33 (.446) 8 X 3 X .97 (.038)R 21.11 (.831) 19.76 (.778)12.24 (.482) 10.90 (.429) 3 X 1.07 (0.042) 2.54 (.100)2 X Shaft Style B 6.32 + 0.03/– 0.06 1.19 (.047)1.6 (.063) 1.52 (.060) .635 (.025) 3 PLCS. 2.54 (.100) 2 PLCS. 2.79 (.110) 23.87 (.940) 1.19 (.047) 11.09 (.437) 6.35 (.250) 9.52 (.375) 16.0 (.630) 3.17 (.125) DIA. 2.54 (.100) 2 PLCS. 1.19 (.047) DIA. 4 PLCS. 9.93 (.587 ±.020) DIA. 9.01 ±.020 (.355 ±.008) 22.2 ±.025 (.874 ±.010) 17.4 ±.025 (.685 ±.010) 15.87 ±.038 (.625 ±.015) 8.50 ±.025 (.335 ±.010) 4.75 +.076/-.050 4.01 +.050/-.025 (.158 +.002/-.001) 3/8–32 UNEF 2A "D" DIMENSION EXTENDS FROM SHAFT END TO BUSHING FACE "D" = (SHAFT LENGTH, FMS) – (BUSHING LENGTH) Shaft Style C 5.54 ± .076 (.218 ± .003) DIA. Shaft Style J "D" 0.94 (.042) 4.75 ± .006/-.051 1.57 (.062) 3.55 (.140) Shaft Style Y 1.57 (.062) 4.7 (.185) DIA. 9.65 (.380)14.7 (.578) SLOT DEPTH ("Y" SHAFT) FOR SHAFTS < 1 " LENGTH FOR SHAFTS ≥ 1 " LENGTH CHANNEL BCHANNEL A COMMON PANEL HOLE DIMENSIONS Bushing Mounted 9.52 (.375) 3.17 (.125) 9.14 (.360)DIA. DIA. .25 (.010) .13 (.005) MM (IN) Shaft Style R 1.6 (.063) 6.00 (.236) DIA. 1.19 (.047) 0.78 (.031)

Specifi cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specifi c applications. ECW - Digital Contacting Encoder How to Order PART NUMBERING SYSTEM EC W1J - B24 -BC00 24L Code C Rotational Life 200,000 Revolutions Code W L T

Description

9 mm x 1/4 " Length. Threaded M9x0.75 9 mm x 3/8 " Length. Threaded M9x0.75 (Use B shaft only.) 9 mm x 1/4 ". No Thread. BUSHING CONFIGURATION Code SWITCHING CONFIGURATION (In Detent Position) Applies to performance codes B0012 and C0024 only, use code "0" for all other performance codes. Code J D 9:00 Position None ANTI-ROTATION LUG POSITIONCode B C R Y J Plain with Inserted Slot (1/4 " Dia.) Single Flatted (1/4 " Dia.) Plain with Cross Slot (6 mm Dia.) Split Shaft Version (.185 " Dia.) Flatted Shaft (3/16 " Dia.) SHAFT STYLE (See Outline Drawing for Details) *Bushing code T only. HOUSING TERMINAL CONFIGURATION (X indicates “Equipped With” Code A X X X B X X X C X X D X X E X X X X F X X X X X X H X X K X Code SHAFT LENGTH (FMS) Available Shaft Styles B J B, C, J, Y B, C, J, Y B, C, J, Y B, C, J, Y R R R 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 Metric 19 mm Length 22 mm Length 24 mm Length The sample part number demonstrates the identification code for Bourns contacting encoders. Boldface features are Bourns standard options. All others are available with higher minimum order quantities. Code E0006 E0009 E0012 E0024 E0036 B0012 C0006 C0024 D0009 PERFORMANCE CODE Cycles/Rev. Detents Code L REV. 02/13