EM14A1A-B28-L308N datasheet, PDF

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EM14A1A-B28-L308N: DescriptionRotary Position Encoder, Single, 2 Channels, ROHS COMPLIANT PACKAGE-6; CategoryLED optoelectronic/LED photoelectric; File Size501KB，5 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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EM14A1A-B28-L308N Overview

Rotary Position Encoder, Single, 2 Channels, ROHS COMPLIANT PACKAGE-6

EM14A1A-B28-L308N Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Bourns
package instruction	ROHS COMPLIANT PACKAGE-6
Reach Compliance Code	not_compliant
Configuration	SINGLE, 2 CHANNELS
JESD-609 code	e3
Number of functions	1
Maximum operating temperature	70 °C
Minimum operating temperature	-40 °C
Optoelectronic device types	ROTARY POSITION ENCODER
Terminal surface	Tin (Sn)

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Features

■

RoHS compliant*

■

HCMOS, CMOS and TTL compatible

■

Compact package size

■

High rotational cycle life

■

Standard or high force push switch option

■

Optional detent

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

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)

**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.

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