Series 290 Encoder Electrocomponents 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 : Solderability Flux for 5 - 10 sec., then dip into a Contact Resistance solder bath at 260 5C for 3 sec. 1 maximum Pull and Thrust on Shaft Voltage Rating (each channel) Withstand a pushing or pulling force of 12 VDC 10 mA maximum. 10 kg-f static load applied in axial direction 5 VDC 1 mA minimum. for 10 1 sec. without physical damage or Phase Difference (FIG.1) electrical degradation. 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 t1, t2, t3 - 3 milliseconds max. 100 m maximum initial, 200m after life cycles Switch Rating Detent Points 16 VDC 10mA min. to 0.5A max. 16 or 20 detents available Rotational Life Switch Bounce 50,000 cycles 5 milliseconds maximum Resolution Switch Operating Force 8 or 20 pulses in 360 600 300 grams (21 11oz) for 0.5mm (.020 ) travel Insulation Resistance Switch Life 100 megohms between all terminals & 100,000 operations for 0.5mm (.020 ) travel bushing at 250 VDC Temperature Ratings Switch Travel Operation: - 30C to +70C 0.5mm (.020 ) 1 - 3 2015 CTS Corporation. All rights reserved. Information subject to change. 01/07/15 www.ctscorp.com CTS Electronic Components TYPE MC-290V Typical 2-Bit Encoder With Momentary Switch, Shaft Perpendicular to PC Board 7.0 7.5 5.5 6.3 +0.1 .276 .295 1.0 -0.0 .216 .248 (5) +.004 .039 -.000 +0.1 2.6 10.6 -0.0 .417 +.004 .102 -.000 SWITCH STROKE 6.00 .236 MOUNTING HOLE DETAIL VIEWED FROM MOUNTING SIDE 2.5 0.1 0.8 0.1 (5) .098.004 .031.004 10.1 .398 7.0 7.5 mm 11.4 DIMENSION: .276 .295 .449 inch 20 PPR OUTPUT SIGNAL TYPICAL CIRCUIT BOUNCE / CHATTER (FIG.1.1) (FIG.2) (FIG.3) OFF CW 5V OFF SINGNAL A 5K 5K 3.5V ON TERMINAL A TERMINAL B T1 T2 T3 T4 OFF SINGNAL B ON 1.5V ENCODER ON 8 PPR OUTPUT SIGNAL TERMINAL C t3 (FIG.1.2) t2 t1 CW OFF SINGNAL A ON T1 T2 T3 T4 OFF SINGNAL B ON PHASE DIFFERENCE Shaft Trim 7.50 7.50 7.00 .295 .295 .276 1.57 1.57 4.50 .062 .062 .177 18 TEETH R - ROUND F - FLATTED K - KNURLED & SLOTTED S - SLOTTED mm DIMENSION: inch 2015 CTS Corporation. All rights reserved. Information subject to change. 2 - 3 01/07/15 CTS Electrocomponents www.ctscorp.com +0.5 -.020 11.4 .449 +0.4 0.5 3.5 6.2L -0.3 9.8 .138 .244 +.016 .386 .020 -.012 S1 S2 A C B 5.0 .197 11.10 .437 CENT. 5.00 .197 MOUNTING SURFACE 3.5 .138 S1 S2 +0.1 1.8 -0.0 +.004 .071 -.000 A C B CENT. 5.00 .197