EEWORLDEEWORLDEEWORLD

Part Number

Search

EM140A-B28-L008S

Description
SINGLE, 2 CHANNELS, ROTARY OPTICAL POSITION ENCODER
CategoryLED optoelectronic/LED   
File Size458KB,5 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Download Datasheet Parametric View All

EM140A-B28-L008S Overview

SINGLE, 2 CHANNELS, ROTARY OPTICAL POSITION ENCODER

EM140A-B28-L008S Parametric

Parameter NameAttribute value
Maximum operating temperature70 Cel
Minimum operating temperature-40 Cel
Number of functions1
Processing package descriptionROHS COMPLIANT PACKAGE-6
Lead-freeYes
EU RoHS regulationsYes
stateACTIVE
terminal coatingTIN
structureSINGLE, 2 CHANNELS
Optoelectronic device typeROTARY
PL
IA
NT
Features
n
RoHS compliant*
n
HCMOS, CMOS and TTL compatible
n
Compact package size
n
High rotational cycle life
n
Standard or high force push switch option
F
RE
E
*R
oH
S
C
OM
n
Optional detent
LE
AD
EM14 - 14 mm Rotary Optical Encoder w/Switch
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
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 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
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)
**When device is mounted by normal mounting means.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications 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 specific applications.
Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
Materials and Finishes
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
C2000 MCU implements grid-connected micro solar inverter
The rapid development of renewable energy applications will trigger the fourth industrial revolution. Photovoltaic power generation is a key part of the entire renewable energy solution. Among all sol...
灞波儿奔 DSP and ARM Processors
My own feelings about simulation software
The most annoying thing about using LTspice is that it does not support mixed analog and digital simulation. Although it is just a simple logic, it does not require the use of an MCU. For application-...
xutong Analog electronics
EEWORLD University Hall----Microcomputer Principles and System Design
Microcomputer Principles and System Design : https://training.eeworld.com.cn/course/4926This series introduces the principles of microcomputers and system design, number systems and code systems in co...
木犯001号 MCU
EEWORLD University Hall----RF Amplifier Design Tian Qingcheng, Chinese University, Taiwan
RF Amplifier Design Tian Qingcheng, Chinese University, Taiwan : https://training.eeworld.com.cn/course/5329This video is a teaching courseware of "RF Amplifier Design" by Professor Tian Qingcheng of ...
抛砖引玉 DSP and ARM Processors
How can the pyboard measure frequency and duty cycle?
For example, if there is a signal of about 20k, how can I measure the frequency and duty cycle?...
spydf MicroPython Open Source section
About Udc on the modulation board
What role does this UDC play here? What changes will it have if I adjust it?...
海蜇~ RF/Wirelessly

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号