PEC Rotary Encoders

Bourns Pro Audio PEC Rotary Encoders feature a compact design, long life, high reliability, and low cost compared to optical type encoders. Available in a wide variety of configurations. The Bourns Pro Audio PEC Series Rotary Encoders are incremental encoders with a 2-bit gray code output, 3Ω max closed circuit resistance, and a contact rating of 1mA @ 5VDC. Also available is the PES12 series, a 12mm incremental shaftless encoder with detent option.

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Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Product
Type
Resolution
Technology
Number of Detents
Number of Channels
Termination Style
Output Type
Shaft Diameter
Shaft Type
With Switch
Operating Supply Voltage
Life
IP Rating
Packaging
Bourns Encoders ENCODER
Datasheet
1’515In Stock
Min.: 1
Mult.: 1

PEC11L PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel PC Pin Quadrature 6 mm Knurled Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders ENCODER
Datasheet
1’200In Stock
Min.: 1
Mult.: 1

PEC11L PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 13.5 MM SHAFT W/SWITCH 2 DET
Datasheet
1’741In Stock
Min.: 1
Mult.: 1

PEC11S PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel SMD/SMT Quadrature 6 mm Knurled Push/Pull Switch 5 VDC 15000 Cycle IP40 Tray


Bourns Encoders 16 mm Incremental Encoder
Datasheet
Product Comments
2’205In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical No Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 15MM SHAFT NO switch
Datasheet
Product Comments
1’870In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical 24 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle Tray
Bourns Encoders SHAFTLESS NO SWITCH 24 DET
Datasheet
736In Stock
Min.: 1
Mult.: 1

PES12 PCB Mount Mechanical Encoders Incremental/Shaftless 24 PPR Rotary 24 Detent 2 Channel PC Pin Quadrature No Shaft Without Switch 5 VDC 30000 Cycle IP40 Tray
Bourns Encoders 15mm Shaft Switch No Detents 20 Pulses
Datasheet
755In Stock
Min.: 1
Mult.: 1

PEC11L PCB Mount Contacting Encoders Incremental 20 PPR Rotary No Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders ENCODER
Datasheet
465In Stock
Min.: 1
Mult.: 1

PEC11L PCB Mount Contacting Encoders Incremental 20 PPR Rotary No Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle Tray
Bourns Encoders ENCODER
Datasheet
431In Stock
1’500Expected 10/20/2026
Min.: 1
Mult.: 1

PEC11L PCB Mount Contacting Encoders Incremental 20 PPR Rotary 20 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders FLATTED SHAFT PUSH SWTCH 30DETENTS
Datasheet
1’036In Stock
1’500Expected 11/5/2026
Min.: 1
Mult.: 1

PEC11L PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 12MM SMD INCREMENTAL ENCODER
Datasheet
85In Stock
3’600On Order
Min.: 1
Mult.: 1

PEC11S PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel SMD/SMT Quadrature 6 mm Knurled Push/Pull Switch 5 VDC 15000 Cycle IP40 Tray
Bourns Encoders 20 MM SHAFT W/SWITCH 2 DET
Datasheet
45In Stock
1’200Expected 10/29/2026
Min.: 1
Mult.: 1

PEC11S PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel SMD/SMT Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 15000 Cycle IP40 Tray
Bourns Encoders 12MM SMD INCREMENTAL ENCODER
Datasheet
596In Stock
1’200Expected 11/19/2026
Min.: 1
Mult.: 1

PEC11S PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel SMD/SMT Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 15000 Cycle IP40 Tray
Bourns Encoders 9.5 MM SHAFT W/SWITCH 2 DET
Datasheet
765In Stock
Min.: 1
Mult.: 1

PEC11S PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel SMD/SMT Quadrature 6 mm Knurled Push/Pull Switch 5 VDC 15000 Cycle IP40 Tray
Bourns Encoders 9.5 MM SHAFT NO SWITCH 2 DET
Datasheet
688In Stock
Min.: 1
Mult.: 1

PEC11S PCB Mount Contacting Encoders Incremental 15 PPR Rotary 30 Detent 2 Channel SMD/SMT Quadrature 6 mm Knurled Without Switch 5 VDC 15000 Cycle IP40 Tray
Bourns Encoders 20MM SHAFT w/switch
Datasheet
Product Comments
782In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 12 PPR Mechanical 12 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 15MM SHAFT NO switch
Datasheet
Product Comments
962In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical 24 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 20MM SHAFT NO switch
Datasheet
Product Comments
735In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical 24 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 20MM SHAFT w/switch
Datasheet
Product Comments
1’075In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical 24 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 25MM SHAFT NO switch
Datasheet
Product Comments
384In Stock
1’200Expected 9/29/2026
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical 24 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 15MM SHAFT NO switch
Datasheet
Product Comments
667In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical No Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle Tray
Bourns Encoders 20MM SHAFT NO switch
Datasheet
Product Comments
471In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical No Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 15MM SHAFT NO switch
Datasheet
Product Comments
28In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 12 PPR Mechanical 12 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 20MM SHAFT w/switch
Datasheet
Product Comments
1’000In Stock
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 12 PPR Mechanical 12 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Push/Pull Switch 5 VDC 100000 Cycle IP40 Tray
Bourns Encoders 20MM SHAFT NO switch
Datasheet
Product Comments
861In Stock
4’000On Order
Min.: 1
Mult.: 1

PEC16 PCB Mount Contacting Encoders Incremental 24 PPR Mechanical 24 Detent 2 Channel PC Pin Quadrature 6 mm D / Flatted Without Switch 5 VDC 100000 Cycle Tray