T
PL
IA
N
M
Features
■ Compact design, long life and high
*R
oH
S
CO
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 flux: 260 °C max. for 5 ± 1 seconds
Hand Soldering .................................................................................................................................................................. Not recommended
Hardware ................................................................................... One flat washer and one mounting nut supplied with each encoder with bushing
How To Order
PEL12S - 4 0 20 F - N 1 024
Model
Terminal Configuration
2 = Vertical Mount/Side Exit PC Pin
4 = Horizontal Mount/Rear Exit PC Pin
Detent Option
0 = No Detents
2 = 24 Detents
Standard Shaft Length
Flatted:
Knurled:
15 = 15.0 mm
25 = 25.0 mm
24 = 24.0 mm
17 = 17.5 mm
30 = 30.0 mm
20 = 20.0 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 Configuration
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.
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Devices are tested using standard noise reduction filters.
For optimum performance, designers should use noise reduction filters in their circuits.
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers
as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Applications
Level control, tuning and timer settings in:
■ Audio-visual equipment
■ Consumer electric appliances
■ Musical instrumentation
■ Communications equipment
PEL12S - 12 mm Encoder with Illuminated Shaft
Product Dimensions
PEL12S-4xxxS-Nxxxx (Horizontal Mount w/Single LED, No Switch, Knurled Shaft)
MOUNTING
SURFACE
24.0
(.945)
6.0
(.236)
3.5
(.138)
14.0
(.551)
18.0
(.709)
12.4
(.488)
5.0
(.197)
0.8
(.031)
13.2 ± 0.1
(.520 ± .004)
8.2
(.323)
7.0
(.276)
2.0 ± 0.1
(.079 ± .004)
18 TEETH
13.2
(.520)
10.2
(.402)
3.5
(.138)
2 PLCS.
2.1 +0.1/-0
(.083 +.004/-0)
7.0 ± 0.1
(.276 ± .004)
7.5 ± 0.1
(.295 ± .004)
6.0
(.236)
DIA.
6.8
DIA.
(.268)
LED
5.0 ± 0.1
(.197 ± .004)
A
C
B
5.0 ± 0.1
(.197 ± .004)
5.0
(.197)
0.9 ± 0.1
(.035 ± .004)
2.0 +0.1/-0
(.079 +.004/-0)
2 PLCS.
A
C
B
1.1 +0.2/-0
(.043 +.008/-0)
DIA. 5 PLCS.
TERMINAL DETAIL
PEL12S-4xxxF-Nxxxx (Horizontal Mount w/Single LED, No Switch, Flatted Shaft)
MOUNTING
SURFACE
6.0
(.236)
3.5
(.138)
14.0
(.551)
LM
5.0
(.197)
12.4
(.488)
L1
0.8
(.031)
1.5
(.591)
2.0 ± 0.1
(.079 ± .004)
8.2
(.323)
0.5
(.020)
13.2
(.520)
10.2
(.402)
3.5
(.138)
6.8
(.268)
DIA.
4.5 ± 0.05
(.177 ± .002)
6.0 ± 0.1
DIA.
(.236 ± .004)
A
C
B
5.0
(.197)
L1
LM
3
(.118)
15
(.591)
5
(.197)
17.5
(.689)
7
(.276)
20
(.787)
12
(.472)
25
(.984)
12
(.472)
30
(1.181)
DIMENSIONS:
MM
(INCHES)
Single LED Circuit
(+)
UNDER
TOLERANCES:
10.0
±0.3
±0.5
10.0 ~ 100
=
=
(.394) (±.012) (.394 ~ 3.937) (±.020)
(-)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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)
2.4
(.094)
18.0
(.709)
5.0
(.197)
0.8
(.031)
3.5 ± 0.1
(.138 ± .004)
12.4
(.488)
2.5 ± 0.1
(.098 ± .004)
8.2
(.323)
7.0
(.276)
LED
5.0 ± 0.1
(.197 ± .004)
B
18 TEETH
10.0
(.394)
13.2
(.520)
10.2
(.402)
6.0
(.236)
DIA.
6.8
DIA.
(.268)
2.0 +0.1/-0
(.079 +.004/-0)
2 PLCS.
A
3.5
(.138)
10.8 ± 0.1
(.425 ± .004)
C
B
C
A
1.1 +0.2/-0
(.043 +.008/-0)
DIA. 5 PLCS.
2.1 +0.1/-0
(.083 +.004/-0)
2 PLCS.
10.0
(.394)
2.0
(.079)
5.1
(.201)
PEL12S-2xxxF-Nxxxx (Vertical Mount w/Single LED, No Switch, Flatted Shaft)
LM
6.0
(.236)
2.4
(.094)
12.4
(.488)
L1
5.0
(.197)
0.8
(.031)
1.5
(.591)
8.2
(.323)
0.5
(.020)
13.2
(.520)
10.2
(.402)
10.0
(.394)
6.8
(.268)
DIA.
4.5 ± 0.05
(.177 ± .002)
DIA.
6.0 ± 0.1
(.236 ± .004)
A
3.5
(.138)
2.0
(.079)
10.0
(.394)
C
B
L1
LM
3
(.118)
15
(.591)
5
(.197)
17.5
(.689)
7
(.276)
20
(.787)
12
(.472)
25
(.984)
12
(.472)
30
(1.181)
DIMENSIONS:
5.1
(.201)
UNDER
MM
(INCHES)
TOLERANCES:
10.0
±0.3
±0.5
10.0 ~ 100
=
=
(.394) (±.012) (.394 ~ 3.937) (±.020)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
PEL12S - 12 mm Encoder with Illuminated Shaft
Product Dimensions
Suggested Filter Circuit
PEL12S-4xxxT-Nxxxx (Horizontal Mount w/Single LED, No Switch, Knurled Shaft w/Bushing)
6.5
(.256)
24.0
(.945)
5 VDC
10K OHMS
17.5
(.689)
7.0
(.276)
10K OHMS
10K OHMS
10K OHMS
TERMINAL A
7.0
(.276)
0.3
(.012)
TERMINAL B
0.01 μF
0.01 μF
ENCODER
TERMINAL C
18 TEETH
M9 X
6.0
DIA.
(.236)
0.75
(.030)
Quadrature Output Table
CW
PEL12S-4xxxG-Nxxxx (Horizontal Mount w/Single LED, No Switch, Flatted Shaft w/Bushing)
OFF
LM
A Signal
ON
L1
5.0
(.199)
L2
0.75
M9 X
(.030)
DIMENSIONS:
UNDER
L2
L1
LM
5
(.197)
11
(.433)
17.5
(.689)
7
(.276)
13.5
(.532)
20
(.787)
12
(.472)
18.5
(.728)
25
(.984)
B Signal
D
CCW
MM
(INCHES)
TOLERANCES:
10.0
±0.3
10.0 ~ 100
±0.5
=
=
(.394) (±.012) (.394 ~ 3.937) (±.020)
LED Characteristics (Single)
LED Color
Power
Dissipation
(mW)
DC Forward
Current
(mA)
Forward Voltage (V)
Typ.
Max.
Red
58
25
1.8
2.3
Green
53
25
2.0
2.5
Blue
80
20
3.5
4.0
Orange
100
30
2.2
2.6
White
120
30
3.4
4.0
Notes:
Reverse Current:
10 μA
Reverse Voltage:
5 VDC
Test Condition (IF): 20 mA
Asia-Pacific:
Tel: +886-2 2562-4117
Email: asiacus@bourns.com
Europe:
Tel: +36 88 885 877
Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500
Email: americus@bourns.com
www.bourns.com
REV. 09/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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