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Features

■ Compact design, long life and high

reliability

■ Vertical and horizontal mount versions

■ Flatted and knurled shaft styles

■ Variety of LED colors available

■ Bushing and bushingless options

PEL12S - 12 mm Encoder with Illuminated Shaft

Electrical Characteristics

Output.....................................................................................................................................................................................2-bit quadrature code

Closed Circuit Resistance ........................................................................................................................................................... 3 ohms maximum

Contact Rating.............................................................................................................................................................................. 0.5 mA @ 5 VDC

Insulation Resistance ....................................................................................................................................................100 megohms @ 250 VDC

Dielectric Withstanding Voltage

Sea Level................................................................................................................................................................................300 VAC minimum

Electrical Travel......................................................................................................................................................................................Continuous

Contact Bounce (15 RPM).........................................................................................................................................................2.0 ms. maximum**

RPM (Operating) ............................................................................................................................................................................ 100 maximum**

Environmental Characteristics

Operating Temperature Range.......................................................................................................................-10 °C to +70 °C (+14 °F to +158 °F)

Storage Temperature Range .......................................................................................................................... -40 °C to +85 °C (-40 °F to +185 °F)

Operating Humidity..................................................................................................................................................................... 25 % to 85 % R.H.

Rotational Life..................................................................................................................................................................... 30,000 cycles minimum

IP Rating...........................................................................................................................................................................................................IP 40

Mechanical Characteristics

Mechanical Angle ..........................................................................................................................................................................360 ° continuous

Detent Torque..................................................................................................................................................30 to 200 g-cm (0.42 to 2.77 oz.-in.)

Running Torque ......................................................................................................................................................50 g-cm (0.69 oz-in.) maximum

Shaft Strength (Push)...................................................................................................................................................................... 5 kgf (11.0 lbs.)

Shaft Strength (Pull)......................................................................................................................................................................10 kgf (22.0 lbs.)

Weight ...............................................................................................................................................................................3 gm (0.1 oz.) maximum

Terminals.................................................................................................................................................................. Printed circuit board terminals

Soldering Condition

Wave Soldering..................................................................... Sn95.5/Ag2.8/Cu0.7 solder with no-clean ?ux: 260 °C max. for 5 1 seconds

Hand Soldering.................................................................................................................................................................. Not recommended

Hardware...............................................................................................................................................................................No hardware supplied

How To Order

PEL12S - 4 0 20 F - N 1 024

Model

Terminal Con?guration

2 = Vertical Mount/Side Exit PC Pin

Detent Option

4 = Horizontal Mount/Rear Exit PC Pin

0 = No Detents

2 = 24 Detents

Standard Shaft Length

Flatted:

Knurled:

15 = 15.0 mm

17 = 17.5 mm

20 = 20.0 mm

25 = 25.0 mm

30 = 30.0 mm

24 = 24.0 mm

Shaft Style

F = Insulated Flatted Shaft

S = Insulated Knurled Shaft (18 Teeth)

G = Insulated Flatted Shaft w/Bushing***

T = Insulated Knurled Shaft (18 Teeth) w/Bushing

Switch Con?guration

N = No Switch

LED Color

Single:

1 = Red

3 = Blue

5 = White

2 = Green

4 = Orange

Resolution

024 = 24 Pulses per 360 ° Rotation

*** Available in 17.5, 20 and 25 mm shaft lengths.

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

**Devices are tested using standard noise reduction ?lters. For optimum performance, designers should use noise reduction ?lters in their circuits.

Speci?cations are subject to change without notice.

Customers should verify actual device performance in their speci?c applications.

Applications

Level control, tuning and timer settings in:

■ Audio-visual equipment

■ Consumer electric appliances

■ Musical instrumentation

■ Communications equipment

3312 - 2 mm SMD Trimming Potentiometer

PEL12S - 12 mm Encoder with Illuminated Shaft

Product Dimensions

PEL12S-4xxxS-Nxxxx (Horizontal Mount w/Single LED, No Switch, Knurled Shaft)

MOUNTING

24.0

(.945)

18.0

(.709)

5.0

(.197)

SURFACE

14.0

(.551)

6.0

(.236)

12.4

(.488)

13.2 0.1

(.520 .004)

LED

8.2

(.323)

5.0 0.1

(.197 .004)

3.5

(.138)

0.8

(.031)

7.0

(.276)

2 PLCS.

2.1 +0.1/-0

(.083 +.004/-0)

2.0 0.1

(.079 .004)

7.0 0.1

(.276 .004)

13.2

(.520)

10.2

(.402)

18 TEETH

7.5 0.1

(.295 .004)

2.0 +0.1/-0

(.079 +.004/-0)

2 PLCS.

6.0

(.236)

DIA.

6.8

(.268)

DIA.

3.5

(.138)

5.0 0.1

(.197 .004)

5.0

(.197)

1.1 +0.2/-0

(.043 +.008/-0)

DIA. 5 PLCS.

0.9 0.1

(.035 .004)

TERMINAL DETAIL

PEL12S-4xxxF-Nxxxx (Horizontal Mount w/Single LED, No Switch, Flatted Shaft)

MOUNTING

SURFACE

14.0

(.551)

6.0

12.4

(.488)

(.236)

5.0

(.197)

(.118)

(.591)

8.2

(.323)

3.5

0.8

1.5

(.591)

17.5

(.138)

(.031)

(.197)

(.689)

0.5

(.020)

2.0 0.1

(.079 .004)

(.276)

(.787)

13.2

(.520)

10.2

(.402)

(.472)

(.984)

6.8

4.5 0.05

(.268)

DIA.

(.177 .002)

3.5

(.138)

(.472)

(1.181)

6.0 0.1

DIA.

5.0

(.197)

(.236 .004)

(INCHES)

DIMENSIONS:

Single LED Circuit

TOLERANCES:

0.3

10.0 ~ 100

(.394) ( .012) (.394 ~ 3.937) ( .020)

10.0

0.5

UNDER

( + )

( - )

Speci?cations are subject to change without notice.

Customers should verify actual device performance in their speci?c applications.

3312 - 2 mm SMD Trimming Potentiometer

PEL12S - 12 mm Encoder with Illuminated Shaft

Product Dimensions

PEL12S-2xxxS-Nxxxx (Vertical Mount w/Single LED, No Switch, Knurled Shaft)

24.0

(.945)

6.0

(.236)

18.0

(.709)

3.5 0.1

(.138 .004)

12.4

(.488)

5.0

(.197)

2.5 0.1

2.4

8.2

(.323)

(.098 .004)

(.094)

0.8

(.031)

7.0

(.276)

LED

5.0 0.1

(.197 .004)

10.8 0.1

(.425 .004)

13.2

(.520)

10.2

(.402)

18 TEETH

10.0

(.394)

6.0

(.236)

DIA.

6.8

(.268)

1.1 +0.2/-0

(.043 +.008/-0)

DIA. 5 PLCS.

DIA.

2.0 +0.1/-0

(.079 +.004/-0)

2 PLCS.

2.1 +0.1/-0

(.083 +.004/-0)

2 PLCS.

3.5

(.138)

10.0

(.394)

2.0

(.079)

5.1

(.201)

PEL12S-2xxxF-Nxxxx (Vertical Mount w/Single LED, No Switch, Flatted Shaft)

6.0

(.236)

12.4

(.488)

5.0

(.197)

2.4

(.094)

8.2

(.323)

0.8

(.031)

1.5

(.591)

(.118)

(.591)

0.5

(.020)

17.5

(.197)

(.689)

13.2

(.520)

10.2

(.402)

(.276)

(.787)

10.0

(.394)

6.8

(.268)

DIA.

4.5 0.05

(.177 .002)

(.472)

(.984)

6.0 0.1

DIA.

(.236 .004)

(.472)

(1.181)

3.5

(.138)

10.0

(.394)

(INCHES)

2.0

DIMENSIONS:

(.079)

5.1

(.201)

TOLERANCES:

0.3

10.0 ~ 100

(.394) ( .012) (.394 ~ 3.937) ( .020)

10.0

0.5

UNDER

Speci?cations are subject to change without notice.

Customers should verify actual device performance in their speci?c applications.

PEL12S - 12 mm Encoder with Illuminated Shaft

Product Dimensions

Suggested Filter Circuit

5 VDC

PEL12S-4xxxT-Nxxxx (Horizontal Mount w/Single LED, No Switch, Knurled Shaft w/Bushing)

24.0

(.945)

10K OHMS

TERMINAL B

6.5

(.256)

17.5

(.689)

TERMINAL A

0.01 μF

7.0

(.276)

7.0

(.276)

0.3

0.01 μF

ENCODER

TERMINAL C

(.012)

18 TEETH

6.0

0.75

(.030)

DIA.

M9 X

(.236)

Quadrature Output Table

PEL12S-4xxxG-Nxxxx (Horizontal Mount w/Single LED, No Switch, Flatted Shaft w/Bushing)

OFF

A Signal

5.0

(.199)

B Signal

17.5

(.197)

(.433)

(.689)

CCW

13.5

(.276)

(.532)

(.787)

18.5

0.75

(.030)

(.472)

(.728)

(.984)

M9 X

(INCHES)

DIMENSIONS:

TOLERANCES:

0.3

10.0 ~ 100

(.394) ( .012) (.394 ~ 3.937) ( .020)

10.0

0.5

UNDER

LED Characteristics (Single)

Power

DC Forward

Current

(mA)

Forward Voltage (V)

Dissipation

LED Color

Red

(mW)

100

120

Typ.

1.8

2.0

3.5

2.2

3.4

Max.

2.3

2.5

4.0

2.6

4.0

Asia-Paci?c:

Green

Blue

Orange

White

Tel: +886-2 2562-4117

Fax: +886-2 2562-4116

Europe:

Tel: +41-41 768 5555

Fax: +41-41 768 5510

Notes:

The Americas:

Reverse Current:

Reverse Voltage:

10 μA

Tel: +1-951 781-5500

Fax: +1-951 781-5700

5 VDC

Test Condition (IF): 20 mA

www.bourns.com

REV. 05/12

Speci?cations are subject to change without notice.

Customers should verify actual device performance in their speci?c applications.