FR02 10mm SMT DIP Rotary Switches NKK Switches FR02 10mm SMT DIP Rotary allows close stacking of PC boards and offers a detent mechanism that gives crisp, positive action for accurate switch setting. This low-profile switch features a slim body of 3.8mm and has highly visible legends with a screwdriver or new shaft actuator option. NKK Switches FR02 10mm SMT DIP Rotary provides a heat-resistant resin for infrared convection reflow soldering, gull-winged terminals for mechanical stability, gold contacts for contact reliability, and coplanarity (all considered surfaces must lie between two parallel planes that are a maximum distance apart of 0.15mm).