Electrocomponents
®
Series 290 Encoder
Technical
Data Sheet
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 :
Contact Resistance
1Ω maximum
Voltage Rating (each channel)
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.
Contact Bounce / Chatter (FIG.3)
t1, t2, t3 - 3 milliseconds max.
Detent Points
16 or 20 detents available
Rotational Life
50,000 cycles
Resolution
8 or 20 pulses in 360°
Insulation Resistance
100 megohms between all terminals &
bushing at 250 VDC
Temperature Ratings
Operation: - 30°C to +70°C
Solderability
Flux for 5 - 10 sec., then dip into a
solder bath at 260 ±5°C for 3 sec.
Pull and Thrust on Shaft
Withstand a pushing or pulling force of
10 kg-f static load applied in axial direction
for 10 ±1 sec. without physical damage or
electrical degradation.
Momentary SPST Switch Ratings :
Switch Contact Resistance
100 mΩ maximum initial, 200mΩ after life cycles
Switch Rating
16 VDC @ 10mA min. to 0.5A max.
Switch Bounce
5 milliseconds maximum
Switch Operating Force
600 ±300 grams (21 ±11oz) for 0.5mm (.020") travel
Switch Life
100,000 operations for 0.5mm (.020") travel
Switch Travel
0.5mm (.020")
1-3
CTS Electronic Components
© 2015 CTS Corporation. All rights reserved. Information subject to change.
01/07/15
www.ctscorp.com
Ordering Information
290
TERMINAL STYLE
V
A
A5
F
20
PULSE
08
- 8
20
- 20
1
ENCODER CODE
1
- 2 BIT GRAY
B
2
DETENT
1
- NONE
2
- 20 DETENTS
3
- 16 DETENTS
V
- PC FORMED TO REAR
BUSHING LENGTH
"LB"
"M"
SHAFT LENGTH: "L"
A5
- 15mm
B0
- 20mm
B5
- 25mm
C0
- 30mm
ALL 6mm DIAMETER
SHAFT TRIM
A
- 5.0mm M7 (NO THREAD)
B
- 5.0mm M7 x .75P
R
- ROUND
F
- FLATTED
K
- KNURLED & SLOTTED
S
- SLOTTED
SWITCH
A
- NONE
B
- MOMENTARY
Output Combinations :
8 PPR with 0 or 16 Detents
20 PPR with 0 or 20 Detents
Consult CTS for other available options
not listed
3-3
CTS Electrocomponents
© 2015 CTS Corporation. All rights reserved. Information subject to change.
01/07/15
www.ctscorp.com