® 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. 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. 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) t1, t2, t3 - 3 milliseconds max. Switch Contact Resistance 100 mΩ maximum initial, 200mΩ after life cycles Detent Points 16 or 20 detents available Switch Rating 16 VDC @ 10mA min. to 0.5A max. Rotational Life 50,000 cycles Switch Bounce 5 milliseconds maximum Resolution 8 or 20 pulses in 360° Switch Operating Force 600 ±300 grams (21 ±11oz) for 0.5mm (.020") travel Insulation Resistance 100 megohms between all terminals & bushing at 250 VDC Switch Life 100,000 operations for 0.5mm (.020") travel Temperature Ratings Operation: - 30°C to +70°C 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 TYPE MC-290V Typical 2-Bit Encoder With Momentary Switch, Shaft Perpendicular to PC Board 5.5 .216 7.5 .295 7.0 .276 6.3 .248 Ø1.0 +0.1 -0.0 +0.4 0.5 -0.3 +.016 .020 -.012 C 5.00 .197 B (5) 1.8 +0.1 -0.0 .102 +.004 -.000 .071+.004 -.000 A CENT. S1 +0.1 2.6 -0.0 10.6 .417 SWITCH STROKE S2 CENT. 5.00 .197 11.10 .437 B C A S1 5.0 .197 9.8 .386 φ6.00 .236 MOUNTING SURFACE +0.5 "L"± -.020 MOUNTING HOLE DETAIL VIEWED FROM MOUNTING SIDE 3.5 .138 3.5 6.2 .244 "LB" "M" .138 11.4 .449 S2 .039 +.004 -.000 2.5 ±0.1 .098±.004 7.0 .276 0.8 ± 0.1 (5) .031±.004 10.1 .398 7.5 .295 11.4 .449 20 PPR OUTPUT SIGNAL (FIG.1.1) DIMENSION: BOUNCE / CHATTER (FIG.3) TYPICAL CIRCUIT (FIG.2) CW mm inch OFF 5V OFF SINGNAL A 3.5V 5KΩ 5KΩ ON OFF TERMINAL A T1 T2 T3 T4 TERMINAL B SINGNAL B ON 1.5V ENCODER 8 PPR OUTPUT SIGNAL (FIG.1.2) ON TERMINAL C t3 t2 t1 CW OFF SINGNAL A ON OFF T1 T2 T3 T4 SINGNAL B ON PHASE DIFFERENCE Shaft Trim 7.50 .295 7.00 .276 7.50 .295 1.57 .062 4.50 .177 1.57 .062 18 TEETH R - ROUND F - FLATTED K - KNURLED & SLOTTED S - SLOTTED DIMENSION: 2-3 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. mm inch 01/07/15 www.ctscorp.com Ordering Information 290 V A A5 F 20 1 B TERMINAL STYLE PULSE ENCODER CODE V - PC FORMED TO REAR 08 - 8 20 - 20 1 - 2 BIT GRAY BUSHING LENGTH SHAFT LENGTH: "L" "LB" A5 - 15mm B0 - 20mm B5 - 25mm C0 - 30mm ALL 6mm DIAMETER "M" A - 5.0mm M7 (NO THREAD) B - 5.0mm M7 x .75P 2 DETENT 1 - NONE 2 - 20 DETENTS 3 - 16 DETENTS SHAFT TRIM 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