® Electrocomponents Series 225A Data Sheet Tactile Switch 7.3 x 4.3mm Compact Tactile Switch Features Optimized Mechanical Features • Surface mount terminal configuration • Compatible with IR reflow and manual soldering 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 500 milliohms maximum Storage Temperature - 40°C to +85°C Insulation Resistance 100 Megohms minimum between terminals Push Strength 3 Kgf maximum Maximum Rating 50 mA -12 VDC Actuation Life Travel 0.15mm: 100,000 cycles Travel 0.25mm: 50,000 cycles Dielectric Strength 250 VAC for 1 minute between adjacent terminals Operating Force 180gf Travel 0.15, 0.25 mm Allowable Solder Time IR Reflow: Up to 5 seconds at 260°C. Manual soldering: Up to 3 seconds at 350°C Packaging Standard: Tape and reel packaging with 330mm diameter reel and 16mm wide plastic tape Operating Temperature - 40°C to +85°C 1-3 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. 9/11/15 www.ctscorp.com CTS SERIES 225AJ1...R(S)G - Surface Mount Type1, With Ground Terminal 2 +0.1 1.0 -0 3 4 2- 0.8 3 2 1 +0.1 -0 Holes 4 CIRCUIT DIAGRAM 3.0 4 3 3.5 ±0.1 2 1.2±0.1 1.9 ±0.1 1 2.0 ±0.1 3.8 1 -0 1.2 +0.1 L 7.3 5.0 ±0.1 1.0 7.0 ±0.1 1.0 2.2 0.15 0.6 1.5 3.95 0.5 MAX. PCB LAYOUT 0.6 7.0 1.6 3.1 5.0 0.8 DIMENSION : mm STANDARD TOLERANCE : .X (1 PLACE) : ±0.2 0.55 5.0 CTS SERIES 225AJ2...R(S)G - Surface Mount Type2, With Ground Terminal 1 3.8 2 2 3 4 6.5 ±0.1 5.0 ±0.1 1.0±0.1 2.5 ±0.1 4 CIRCUIT DIAGRAM 3.1±0.1 3.0 9.0 2 1 0.6 ±0.1 0.85 ±0.1 3 1 2- 0.95 +0.1 -0 Holes L 7.3 0.5 MAX. 3 2.5 5.0±0.1 4 2.5 0.15 0.6 1.5 4.25 10.0 ±0.1 0.7 0.5 6.5 PCB LAYOUT 1.2 2.0 1.8 2.2 DIMENSION : mm STANDARD TOLERANCE : .X (1 PLACE) : ±0.2 0.55 5.0 2 -3 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. 9/11/15 www.ctscorp.com Ordering Information 225A – J1 Termination J1: SURFACE MOUNT J BEND TYPE 1 J 2: SURFACE MOUNT J BEND TYPE 2 Actuating Direction S: SIDE S A A R S G Actuator Force A: 180 gf Ground Terminal G : WITH GROUND TERMINAL Travel S : 0.15mm BLANK: 0.25mm Packaging R : TAPE & REEL PACKAGING Actuator Length “L” A: 2.4 mm (SURFACE MOUNT J BEND TYPE 1) B: 3.9 mm (SURFACE MOUNT J BEND TYPE 2) C: 4.25 mm (SURFACE MOUNT J BEND TYPE 2) !!!Note: Consult CTS for other common features not listed. 3 -3 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. 9/11/15 www.ctscorp.com