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Alps Electric
Rotary Encoder Selection Guide


 
There is a 1,200 piece minimum order requirement on all ALPS products.
RK097 Series. Compact Metal Shaft Rotary Encoder
9mm Size. Vertical metal shaft. Suitable for consumer applications. 9 pulses/18 detents or 15 pulses/30 detents. Output of A and B signals, proportionate to phase difference. Available with a push-on switch (0.5mm or 1.5mm travel).

EC09 Series. Compact Metal Shaft Rotary Encoder
9mm Size. Horizontal metal shaft. High-precision, compact sliding encoder, suitable for communications, vehicle, and consumer applications. 15 pulses/30 detents. Output of A and B signals, proportionate to phase difference. Available with a potentiometer module. Available with a push-on switch (0.5mm or 1.5mm travel).

EC11B Series. Metal Shaft Rotary Encoder
11mm Size. Horizontal or vertical metal shaft. High-precision, compact sliding encoder, suitable for communications, vehicle, and consumer applications. 15 pulses/30 detents or 20 pulses/20 detents. Output of A and B signals, proportionate to phase difference. Available with a push-on switch (0.5mm or 1.5mm travel).

EC12 Series. Insulated Shaft Rotary Encoder
12mm Size. Vertical plastic shaft. A precision unit, with a responsive feel, suitable for applications such as audio system level control. 12 pulse/12 detents and 24 pulses/24 detents. Available without detents. Output of A and B signals, proportionate to phase difference. Available with a push-on switch (0.5mm travel).
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