Features NT MPLIA ■ Incremental encoder / quadrature output HS CO ■ Exceptionally long operating life Ro ■ Sturdy construction * ■ Bushing mount ■ Available with PC board mounting bracket (optional) ■ RoHS compliant* ECW - Digital Contacting Encoder Electrical Characteristics Output ..................................................................................2-bit quadrature code, Channel A leads Channel B by 90 º electrically turning clockwise (CW) Closed Circuit Resistance ...........................................................................................................................................................................5 ohms maximum Open Circuit Resistance .......................................................................................................................................................................100 K ohms minimum Contact Rating ..................................................................................................................................................10 milliamp @ 10 VDC or 0.1 watt maximum Insulation Resistance (500 VDC) ...................................................................................................................................................1,000 megohms minimum Dielectric Withstanding Voltage (MIL-STD-202 Method 301) Sea Level ............................................................................................................................................................................................1,000 VAC minimum Electrical Travel .....................................................................................................................................................................................................Continuous Contact Bounce (15 RPM)................................................................................................................................................................5 milliseconds maximum RPM (Operating) ..............................................................................................................................................................................................120 maximum Phase Tolerance (CH A to CH B) ............................................................................................................................................................................90 ° ± 72 ° Environmental Characteristics Operating Temperature Range .........................................................................................................................................-40 ºC to +85 ºC (-40 °F to 185 °F) Storage Temperature Range ..........................................................................................................................................-40 ºC to +85 ºC (-40 °F to +185 °F) Humidity.................................................................................................................................................................MIL-STD-202, Method 103B, Condition B Vibration ..........................................................................................................................................................................................................................15 G Contact Bounce ...........................................................................................................................................................................0.1 millisecond maximum Shock...............................................................................................................................................................................................................................50 G Contact Bounce ...........................................................................................................................................................................0.1 millisecond maximum Rotational Life..................................................................................................................................................................................200,000 shaft revolutions IP Rating ..........................................................................................................................................................................................................................IP 40 Mechanical Characteristics Mechanical Angle ..................................................................................................................................................................................................Continuous Running Torque (Detented) ............................................................................................................................................0.5 to 1.5 N-cm (0.75 to 2.25 oz-in.) Undetented Torque ........................................................................................................................................................0.17 to 1.0 N-cm (0.25 to 1.50 oz-in) Mounting Torque .........................................................................................................................................................................79 N-cm (7 lb.-in.) maximum Shaft Side Load (Static)....................................................................................................................................................................4.5 kg (10 lbs.) minimum Weight ................................................................................................................................................................................Approximately 21 gms. (0.75 oz.) Terminals .................................................................................................................................................................................................PC pin or solder lug Soldering Condition Manual Soldering ...................................................................................................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire 370 °C (700 °F) max. for 3 seconds Wave Soldering ...........................................................................................................................................96.5Sn/3.0Ag/0.5Cu solder with no-clean fl ux 260 °C (500 °F) max. for 5 seconds Wash processes ....................................................................................................................................................................................Not recommended Marking ...........................................................................................................................Manufacturer’s name and trademark, part number, and date code. Hardware .................................................One lockwasher and one mounting nut are shipped with each encoder, except where noted in the part number. Quadrature Output Table – This table is intended to show available outputs as currently defi ned. 1/4 CYCLE PER DETENT FULL CYCLE PER DETENT (Normally Open in Detent Shown) CW Channel A CW Channel A Closed Circuit Closed Circuit Open Circuit Open Circuit Closed Circuit Closed Circuit Open Circuit Open Circuit D D D D D D D D D D D D D D D D D D D D D D Channel B CCW Channel B CCW RECOMMENDED INCREMENTAL CONTROL DIAGRAM FOR USE WITH A DEBOUNCE CIRCUIT (CUSTOMER LOGIC CIRCUITRY) 7 9 DIRECTION 5 ms DELAY DEBOUNCE DECODE UP/DOWN BINARY (MC 14490) LOGIC COUNTER OUTPUT MAGNITUDE *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.

ECW - Digital Contacting Encoder Dimensional Drawings BUSHING MOUNTED - HOUSING A PANEL HOLE DIMENSIONS Rear-Facing Terminals “L” ± 0.38 Bushing Mounted (“L” ± .015) 22.2 ± 0.25 8.51 6.35 (.874 ± .010) (.335) (.250) 9.52 9.14 (1.413.17) 27.68 ± 0.25 (.375) (.360)DIA. (1.090 ± .010) 9.0 DIA. (.1547.87 ±± .00.250)DIA. 28.49 ± 0.25 (3.1.1275)DIA. (.354) (1.122 ± .010) 1.52 M9 X 0.75-6g SPL ACB 5.69 ± 0.25 (.224 ± .010) (.060) CHANNEL A COMMONCHANNEL B PCB BRACKET MOUNTED - HOUSING B PCB MOUNTING DIMENSIONS SOLDER HOLES - HOUSING C Dimensions not given are the same as Bushing Mounted. (Housing Styles B and E) Dimensions not given are the same as Bushing Mounted. 28.499 ± .254 5.74 9.02 23.37 ± 0.25 CL (1.122 ± .010) (.226) (.355) (.920 ± .010) 11.4 15.2 (.450) .762 (.600) 2.54 (.030) 17.069 23.6 (.100)TYP. 16.002 4 PLCS. (.672) (.930) 1.2 (.630) (.047)DIA. 7 PLCS. 2.54 A C B (6.2.3550 ±± 0.0.2150) CHANNEL A COAMCMBONCHANNEL B (1.0.5672) (.1(05.02.)0080) 3( ..P10L04C72S)D.IA. SNAP-IN MOUNT - Housing G PCB MOUNTING DIMENSIONS 13.08 “L” ± 0.38 22.68 (.515) (“L” ± .015) (.893) (8.3.5315)6.35 (2.28.7240 ±± .00.1205) 9.53 (104.5.6788 ±± 50..0280)DIA. (1.14.4363) (.375) (.250) 27.69 ± 0.25 (1.090 ± .010) 21.11 11.10 28.50 ± 0.25 .97 (.831) 8.99 (.437) (1.122 ± .010) 8 X(.038)R (.354) 3 X .635 (7.2.2845 ±± 0.0.2150) (1.0.5620) DIA. CHANNEL A COMMONCHANNEL B ((5..20.002805)) (2.1.5040) 2 X(2.1.5040)3 X(01..00472)(1.04.2990) (1.24.8224) (1.97.7786) Shaft Style B Shaft Style C Shaft Style J Shaft Style R Shaft Style Y 4.75 ± .006/-.051 (6.2.3429 ++ 0.0.0031//–– 0.0.0063)DIA. (5.2.5148 ±± ..007063) (4.1.0518 ++ ..005012// –– ..002051) (.187 + .003/-.002)DIA. (0.0.9442) (6.2.0306 ±± ..102075) (1.0.5672) (.41.875) DIA. DIA. DIA. (.10.663) (1.0.1497) "D" DIMEN"DS"ION EXTEND(6.2S.34 F29R ++O 0.0M.00 31S//H–– A0.0F.00T63 )END TO BUSHIN"GD" FACE (0.0.3781) (.10.663) (.10.1497) S< L1O "T L DEENPGTTHH ( " Y 1 " 4 S . 7 H A FFTO)R ( S 9. 3 H. 68 A 50 F ) T SF O≥R 1 S "H LAEFNTGST H "D" = (SHAFT LENGTH, FMS) – (BUSHING LENGTH) (.578) BUSHING MOUNTED - HOUSING H 23.87 Front-Facing Terminals (.940) 15.87 ±.038 .25 .13 22.2 ±.025 (.625 ±.015) (.010) (.005) (.874 ±.010) 9.01 ±.020 6.35 8.50 ±.025 1.52 (.355 ±.008) 4.01 +.050/-.025 (.250) (.335 ±.010) MM (.060) 1.19 11.09 (.158 +.002/-.001) (IN) (1.548.97 ±±..005200)D(.I0A4.7) (.437) (3.1.1275)DIA. (9.3.5725) (9.3.9931)DIA. .635 3 PLCS. (.025) 2.54 3/8–32 UNEF 2A 2.54 16.0 2 PLCS. 1.19 (.100) (2.1.7190) (1.678.45 ±±..002150) 1.57 (.047)D4 IPAL.CS. 2( .P10L0C)S. (.630) (.062) 4.75 +.076/-.050 3.55 CHANNEL A CHANNEL B (.187 +.003/-.002)DIA. (.140) COMMON 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 E C W 1 J - B 2 4 - B C 0 0 2 4 L RoHS IDENTIFIER Code Description L Compliant Code Rotational Life PERFORMANCE CODE C 200,000 Revolutions Code Detents Cycles/Rev. E0006 0 6 E0009 0 9 BUSHING CONFIGURATION E0012 0 12 Code Description E0024 0 24 W 9 mm x 1/4 " Length. Threaded M9x0.75 E0036 0 36 L 9 mm x 3/8 " Length. Threaded M9x0.75 B0012 12 12 (Use B shaft only.) C0006 6 24 T 9 mm x 1/4 ". No Thread. C0024 24 D0009 36 9 SWITCHING CONFIGURATION (In Detent Position) HOUSING TERMINAL CONFIGURATION Applies to performance codes B0012 and C0024 (X indicates “Equipped With” only, use code "0" for all other performance codes. Code Code Description Features A B C D E F G* H K 0 Not Applicable Terminal Cover X X X X 1 Normally Open Rear-Facing Terminals X X X X Solder Holes X X X PCB Bracket X X X X ANTI-ROTATION LUG POSITION Hardware Included X X X X X Code Description Snap-In Mount X J 9:00 Position Forward-Facing Terminals X X D None *Bushing code T only. SHAFT LENGTH (FMS) SHAFT STYLE (See Outline Drawing for Details) Available Code Description Code Description Shaft Styles B Plain with Inserted Slot (1/4 " Dia.) 16 1/2 " Length B C Single Flatted (1/4 " Dia.) 20 5/8 " (15.9 mm) Length J R Plain with Cross Slot (6 mm Dia.) 24 3/4 " (19 mm) Length B, C, J, Y Y Split Shaft Version (.185 " Dia.) 28 7/8 " (22.2 mm) Length B, C, J, Y J Flatted Shaft (3/16 " Dia.) 32 1 " (25.4 mm) Length B, C, J, Y 36 1-1/8 " (28.6 mm) Length B, C, J, Y Metric The sample part number demonstrates the identification code for Bourns contacting encoders. 19 19 mm Length R 22 22 mm Length R Boldface features are Bourns standard options. All others 24 24 mm Length R are available with higher minimum order quantities. REV. 02/15 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.