Series 291 Data Sheet
Optical Encoder
®
Electrocomponents
Precision, Long-life
Compact 12mm Size
Optical Encoder
Features
Package Size (12 X 14 X 7 mm)
•
3 Million life cycles (No detent)
•
• 1 Million life cycles (With detent)
Durable Metal Shaft & Bushing
Optional momentary switch
•
•
•
Multiple options for terminations,
resolution, cables, voltage
•
RoHS Compliant
Electrical and Mechanical Specifications
Encoder:
Operating Voltage
5.0 0.25 VDC
3.3 0.125 VDC
Resolution
4, 6, 8, 24 Pulses per Revolution
Rotational Life (@30 RPM)
3 Million cycles (No detent)
1 Million cycles (With detent)
Supply Current
5.0 VDC @ 30mA maximum
3.3 VDC @ 24mA maximum
Temperature Range
Output Code
2-Bit Quadrature
Channel A leads channel B by 90
Operating: - 40°C to 85°C
Storage: - 55°C to 100°C
°
Push-Pull Strength of Shaft
20 kg minimum for 10 seconds
electrically during clockwise rotation
of the shaft
Terminal Pull-out Strength
6 kg minimum for 10 seconds
Minimum Sink Current
2.0 mA for 5.0 VDC
1.0 mA for 3.3 VDC
Solder Heat Resistance
350°C for 5 seconds
Power Consumption
150 mW maximum for 5.0 VDC
80 mW maximum for 3.3 VDC
Mechanical Vibration
15G, ( MIL-STD-883F-2004)
Mechanical Shock
100G, ( MIL-STD-883F-2004)
Rotational Torque
Running: 20 10 gf-cm
Detent: 140 50 gf-cm (24 Detents)
100 50 gf-cm (16, 32 Detents)
Note:
Consult CTS for other common standard
features not listed.
Detent Options
0,16, 24, 32
© 2014 CTS Corporation. All rights reserved. Information subject to change.
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