Series 12CE 12mm Rotary Encoder w/Illuminated Shaft Compact 12mm package size Single, dual and tri-color LED backlit shaft Rotational life (30,000 cycles) Switch life (20,000 actuations) Variety of standard resolutions and detent options Applications Consumer portable electronics Commercial appliances Instrument amplifiers and guitar effects Keyboards and synthesizers Communications equipment Ordering Information LED Terminal Shaft Shaft LED Detent Series Resolution Option Configuration Length Trim Color Option 12CE 3 H 20 B 12 T N Code Spec. Code Spec. Code Spec. 12 12 PPR N No Detents Vertical/Rear Mount H Thread Bushing, PC Pins 24 24 PPR 12 12 Detents* 24 24 Detents** Vertical/Rear Mount K *Available w/12 PPR only Sleeve Bushing, PC Pins **Available w/12 & 24 PPR Horizontal/Side Mount Code Spec. N Sleeve Bushing, PC Pins, Knurled B 10mm Height (18 teeth) Horizontal/Side Mount F Flatted Code Spec. Y Thread Bushing, PC Pins 1 Red 10mm Height 2 Blue 3 Orange Code Spec.* Code Spec. 4 White 15 15 mm 1-Color 1 5 Green 16 16 mm (no switch) A Blue/Orange 2-Color 17 17.5 mm 2 B Green/Red (w/switch) 18 18.5 mm C Blue/Green 3-Color 20 20 mm 3 D Green/Orange (w/switch) 21 21 mm E Blue/Red 24 24 mm T Red/Green/Blue 25 25 mm 26 26 mm * See shaft length and trim options (LM) for availability by shaft trim. 2020-10-06 Rev. B Page 1 of 10 2019 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Series 12CE 12mm Rotary Encoder w/Illuminated Shaft Encoder Specifications Min Typical Max Unit Voltage Rating 0.5 mA +5.0 VDC Output 2-bit quadrature Insulation Resistance 100 M min. 250 VDC Dielectric Strength 300 VAC for 1 min., no arcing Resolution 12 or 24 PPR (pulses per revolution) Contact Bounce/Chatter (See Fig. 1) t1, t3 3 ms t2 2 ms Phase Difference (See Fig. 2) 12 PPR T 4 ms (A leads B by 90 in the CW direction) 24 PPR T 3.5 ms (A leads B by 90 in the CW direction) Total Mechanical Travel 360 continuous Operating Torque 50 gf-cm (non-detent option only) Detent Position 12 detents 30 3 24 detents 15 3 Detent Torque 30 to 200 gf-cm Detent Position Play 4 max. Shaft Wobble 1.0 x L/30mm p-p max. L = Shaft Length Shaft Push-Pull Strength 5 kgf for 10 sec. Shaft Static Side Load 2 kgf max. Terminal Strength 300 gf max. Rotational Life 30,000 cycles 600 to 1,000 cycles/hr. Switch Specifications Min Typical Max Unit Voltage Rating 10 mA +5.0 VDC Contact Resistance 100 m max. Contact Arrangement SPST Momentary Chatter 10 ms max. Switch Travel 0.5mm +0 mm / -0.3mm Actuation Force 450 gf 200 gf Insulation Resistance 100 M min. 250 VDC Dielectric Strength 300 VAC for 1 min., no arcing Operating Life 20,000 actuations IP Rating 40 Packaging Tray Weight 3.7 grams Environmental Min Typical Max Unit -10 +70 C Operating Temperature Storage Temperature -30 +70 C Soldering Conditions Wave Solder Preheat: 100C max for 2 min max Solder temperature: 260C 5C for 5 sec max. No clean foam flux recommended Manual Solder 350C 5C for 3 sec max. Sn95Ag5 no clean solder Wash Not recommended Moisture Sensitivity Level 1 ESD Classification (HBM) Not applicable All testing is performed at room ambient conditions except as noted. Users should verify device actual performance in their specific applications This product is compliant to RoHS3 Directive 2015/863 Amendments of Annex II on 31 March 2015, and REACH SVHC Directive EC 1907/2006 Amendments of Annex XIV & Annex XVII on 15 January 2018. Custom and value-added options available on request. Please contact your sales representative for additional information. 2020-10-06 Rev. B Page 2 of 10 2019 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.