Features
nꢀ RoHSꢀcompliant*
Additional Information
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nꢀ HCMOS,ꢀCMOSꢀandꢀTTLꢀcompatible
nꢀ Compactꢀpackageꢀsize
nꢀ Highꢀrotationalꢀcycleꢀlife
nꢀ Standardꢀorꢀhighꢀforceꢀpushꢀswitchꢀoptionꢀ
nꢀ Optionalꢀdetent
PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT
LIBRARY
EM14 – 14 mm Rotary Optical Encoder w/Switch
Electrical Characteristics
Electrical Output....................................................................................................................................................................................... 2-bit quadrature code
Resolution .......................................................................................................................................................................... 8 to 64 pulses per revolution (PPR)
Supply Voltage (VCC) ............................................................................................................................................................................... 5.0 VDC ± 0.25 VDC
Supply Current (ICC)........................................................................................................................................................................................26 mA maximum
Output Voltage
Low (VCE(sat)), per Channel.................................................................................................................................... 800 mV maximum at I(SINK) = 25 mA
High (VO(HI)), per Channel.....................................................................................................................................4.0 VDC minimum @ VCC = 4.75 VDC
Output Current I(SINK), per Channel...............................................................................................................................................................25 mA maximum
Rise/Fall Time.....................................................................................................................................................................................................200 ns typical**
Power Dissipation..........................................................................................................................................................................................167 mW maximum
Pulse Width (per Channel)....................................................................................................................................................................................180 °e typical
Phase Angle (Channel A Leads Channel B, Clockwise Rotation)..........................................................................................................................90 °e ± 45 °e
Insulation Resistance @ 500 VDC....................................................................................................................................................1,000 megohms minimum
Operating RPM ....................................................................................................................................................................................................120 maximum
Switch Power Rating..............................................................................................................................................12 VDC / 20 mA (600 ohms minimum load)
Switch Contact Resistance ........................................................................................................................................................................200 ohms maximum
Environmental Characteristics
Operating Temperature Range @ 5.0 VDC ......................................................................................................................-40 °C to +70 °C (-40 °F to +158 °F)
Storage Temperature Range........................................................................................................................................... -55 ºC to +125 ºC (-67 °F to +257 °F)
Vibration ..............................................................................................................................................................................................................................15 G
Shock ..................................................................................................................................................................................................................................50 G
Humidity ......................................................................................................................................................................MIL-STD-202, Method 103, Condition B
Flammability ............................................................................................................................................................................................ Conforms to UL 94HB
IP Rating.........................................................................................................................................................................................................................IP 54***
Mechanical Characteristics
Mechanical Angle............................................................................................................................................................................................360 ° Continuous
Torque
Starting/Running................................................................................................................................................................1.06 N-cm (1.5 oz.-in.) maximum
Detent........................................................................................................................................................................................1.2 N-cm (1.7 oz.-in.) typical
Rotational Life
Non-detent (@ 30 RPM) .......................................................................................................................................1,000,000 cycles (2,000,000 revolutions)
With detent (@ 30 RPM).............................................................................................................................................100,000 cycles (200,000 revolutions)
Switch Life...........................................................................................................................................................................................................100,000 cycles
Switch Actuation Force
Standard.........................................................................................................................................................................................250 gm (8.82 oz.) typical
High Force....................................................................................................................................................................................850 gm (29.98 oz.) typical
Switch Travel
Standard..........................................................................................................................................................................................................0.04 in. typical
High Force.....................................................................................................................................................................................................0.025 in. typical
Shaft Radial Play..........................................................................................................................................................................................0.005 in. maximum
Shaft Axial Structural Strength ......................................................................................................................................................................... 35 lbs. minimum
Mounting Torque...........................................................................................................................................................................2.0 N-m (18 lb.-in.) maximum
Materials and Finishes
Terminals........................................................................................................................................................................................................Sn plated PC pins
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 flux
260 °C (500 °F) max. for 5 seconds
Wash processes.......................................................................................................................................................................................Not recommended
Mounting Hardware
Nut..............................................................................................................................Black annodized brass, hex (metric)/Nickel-plated brass, hex (SAE)
Lockwasher ............................................................................................................................................................ Nickel-plated spring steel, internal tooth
Marking....................................................................................................Manufacturer’s symbol, model number, product code, terminal style and date code
Standard Packaging......................................................................................................................................................... Anti-static plastic tube (25 pcs./tube)
**See schematic note page 5.
***When device is mounted by normal mounting means.
WARNING Cancer and Reproductive Harm
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
www.P65Warnings.ca.gov
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀ
pageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.
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