® Electrocomponents Series 224A Data Sheet Tactile Switch 12 x 12mm Compact Tactile Switch Features Optimized Mechanical Features • Surface mount gull-wing terminal and standard through hole configurations • Compatible with IR reflow, wave and manual soldering • Compatible with automatically dip-soldering • Variety of operating force & actuator height options Optimized Contact System • Excellent tactile feedback Materials • Silver coated terminals for better solderability • High temperature materials (UL94V-0) • RoHS compliant Electrical and Mechanical Specifications Switch Contact Resistance 100 milliohms maximum Storage Temperature - 40°C to +85°C Insulation Resistance 100 Megohms minimum between terminals Actuator Strength 3 Kgf maximum Maximum Rating 50 mA -12 VDC Actuation Life 160 gf: 500,000 cycles 260 gf: 300,000 cycles Dielectric Strength 250 VAC for 1 minute between adjacent terminals Operating Force 160 or 260gf Travel 0.3mm Operating Temperature - 40°C to +85°C 1-4 CTS Electrocomponents Allowable Solder Time IR Reflow: Up to 5 seconds at 260°C Wave soldering: Up to 5 seconds at 260°C Manual soldering: Up to 3 seconds at 350°C Packaging Standard: Bag packaging Optional : Tape and reel packaging with 330mm diameter reel, 24mm wide plastic tape - for surface mount gull-wing terminal © 2016 CTS Corporation. All rights reserved. Information subject to change. 2/23/16 www.ctscorp.com CTS SERIES 224AM... - Surface Mount Gull Wing, Without Boss 12.0 16.0 ±0.1 4-1.8 ±0.1 12.0 ±0.1 2 2 1 2 3 4 4 4 3 CIRCUIT DIAGRAM 5.0 ±0.1 3 1 12.0 1.0 5.0 1 PCB LAYOUT DIMENSION : mm STANDARD TOLERANCE : .X (1 PLACE) : ±0.30 0.3 3.5 L 0.5 MAX. 7.0 6.8 15.3 CTS SERIES 224AM...B - Surface Mount Gull Wing, With Boss 4-1.8 ±0.1 16.0 ±0.1 12.0 12.0 ±0.1 12.0 1.0 5.0 3 2 1 2 3 4 4 3 4 1 5.0 ±0.1 9.0 ±0.1 2 1 2- 1.7 +0.1 -0 Holes CIRCUIT DIAGRAM PCB LAYOUT L 0.5 MAX. 7.0 6.8 1.5 0.3 3.5 DIMENSION : mm STANDARD TOLERANCE : .X (1 PLACE) : ±0.30 15.3 2-4 CTS Electrocomponents 1.6 9.0 © 2015 CTS Corporation. All rights reserved. Information subject to change. 2/23/16 www.ctscorp.com CTS SERIES 224AD... - Standard Through Hole, Without Boss 12.0 +0.1 12.5 ±0.1 2 3 4 5.0 ±0.1 5.0 12.0 1.0 1 4 3 4 3 2 1 2 1 4- 1.2 -0 Holes CIRCUIT DIAGRAM PCB LAYOUT L 0.5 MAX. 7.0 6.8 2.1 0.3 3.5 3.5 DIMENSION : mm STANDARD TOLERANCE : .X (1 PLACE) : ±0.30 12.5 14.0 ±0.50 1.0 CTS SERIES 224AD...B - Standard Through Hole, With Boss 12.0 12.5 ±0.1 +0.1 4- 1.2 -0 Holes 2 1 2 3 4 5.0 ±0.1 1 9.0 ±0.1 12.0 1.0 5.0 2 1 4 3 4 3 +0.1 2- 1.7 -0 Holes PCB LAYOUT CIRCUIT DIAGRAM DIMENSION : mm STANDARD TOLERANCE : .X (1 PLACE) : ±0.30 12.5 14.0 ±0.50 3-4 CTS Electrocomponents 1.5 0.3 3.5 2.1 3.5 L 0.5 MAX. 7.0 6.8 1.6 1.0 9.0 © 2015 CTS Corporation. All rights reserved. Information subject to change. 2/23/16 www.ctscorp.com Ordering Information 224A – M Termination M: SURFACE MOUNT GULL WING D : STANDARD THROUGH HOLE Actuating Direction V: VERTICAL V A A Actuator Force A: 160 gf B: 260 gf R B Boss BLANK: NO BOSS B: WITH BOSS Package BLANK : BAG PACKAGING (STANDARD THROUGH HOLE ONLY) R : TAPE & REEL PACKAGING (SURFACE MOUNT ONLY) Actuator Height “L” A: 7.3 mm B: 8.5 mm 4-4 CTS Electrocomponents © 2016 CTS Corporation. All rights reserved. Information subject to change. 2/23/16 www.ctscorp.com