Series 290 Encoder
Technical Data Sheet
®
Electrocomponents
Commercial
Miniature 9mm
Encoders
Features
• Miniature 9mm style
• 2 bit quadrature (Graycode)
• Optional momentary switch
• Continuous rotation
• Durable metal shaft
• Available with 16 or 20 detents
• RoHS compliant
Electrical and Mechanical Specifications
Encoder Ratings :
Solderability
Flux for 5 - 10 sec., then dip into a
solder bath at 260 5°C for 3 sec.
Contact Resistance
1Ω maximum
Pull and Thrust on Shaft
Voltage Rating (each channel)
Withstand a pushinꢀ or pullinꢀ force of
10 kꢀ-f static load applied in axial direction
for 10 1 sec. without physical damaꢀe or
electrical deꢀradation.
12 VDC @ 10 mA maximum.
5 VDC @ 1 mA minimum.
Phase Difference (FIG.1)
T1,T2,T3,T4 2 milliseconds min for 20 pulse encoder.
- 8 milliseconds min for 8 pulse encoder.
Momentary SPST Switch Ratings :
Contact Bounce / Chatter (FIG.3)
Switch Contact Resistance
100 mΩ maximum initial, 200mΩ after life cycles
t1, t2, t3 - 3 milliseconds max.
Switch Rating
Detent Points
16 VDC @ 10mA min. to 0.5A max.
16 or 20 detents available
Rotational Life
50,000 cycles
Switch Bounce
5 milliseconds maximum
Resolution
Switch Operating Force
600 300 ꢀrams (21 11oz) for 0.5mm (.020") travel
8 or 20 pulses in 360°
Insulation Resistance
100 meꢀohms between all terminals &
bushinꢀ at 250 VDC
Switch Life
100,000 operations for 0.5mm (.020") travel
Temperature Ratings
Switch Travel
Operation: - 30°C to +70°C
0.5mm (.020")
© 2015 CTS Corporation. All rights reserved. Information subject to change.
1 - 3
CTS Electronic Components
01/07/15
www.ctscorp.com